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AMD · CPU

AMD EPYC 9255

AMD EPYC 9255 — Specifications and benchmarks. .

These specifications are supported by the linked sources. Core counts, clocks and memory capacities do not predict workload performance. Check benchmark versions, environments and sample counts.

Evidence review in progress · Search indexing deferred

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Power

ParameterValue and conditions
TDP
200 W
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Default TDP",
  "raw_value": "200W",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "Default TDP",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
200 W
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Default TDP",
  "raw_value": "200W",
  "qualifiers": {
    "source_field": "Default TDP",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}

Compute

ParameterValue and conditions
Base clock
3,200 MHz
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Base Clock",
  "raw_value": "3.2 GHz",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "Base Clock",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
3,200 MHz
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Base Clock",
  "raw_value": "3.2 GHz",
  "qualifiers": {
    "source_field": "Base Clock",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}
Max boost clock
4,300 MHz
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Max. Boost Clock",
  "raw_value": "Up to 4.3 GHz",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "Max. Boost Clock",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
4,300 MHz
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Max. Boost Clock",
  "raw_value": "Up to 4.3 GHz",
  "qualifiers": {
    "source_field": "Max. Boost Clock",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}
CPU cores
24
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "# of CPU Cores",
  "raw_value": "24",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "# of CPU Cores",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
24
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "# of CPU Cores",
  "raw_value": "24",
  "qualifiers": {
    "source_field": "# of CPU Cores",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}
threads
48
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "# of Threads",
  "raw_value": "48",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "# of Threads",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
48
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "# of Threads",
  "raw_value": "48",
  "qualifiers": {
    "source_field": "# of Threads",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}

Memory

ParameterValue and conditions
L3 cache
128 MB
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "L3 Cache",
  "raw_value": "128 MB",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "L3 Cache",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
128 MB
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "L3 Cache",
  "raw_value": "128 MB",
  "qualifiers": {
    "source_field": "L3 Cache",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}
Max capacity by memory type
1 DIMM/channel: 6 TB per processor at 6000 MT/s; 2 DIMMs/channel: 12 TB at 4000 MT/s (AMD 58471 rev. 1.0). Other AMD documents disagree; confirm validated DIMMs and BIOS with the system vendor.
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Conditional maximum supported memory",
  "raw_value": "1 DIMM/channel: 6 TB per processor at 6000 MT/s; 2 DIMMs/channel: 12 TB at 4000 MT/s (AMD 58471 rev. 1.0). Other AMD documents disagree; confirm validated DIMMs and BIOS with the system vendor.",
  "qualifiers": {
    "capacity_conditions": [
      {
        "capacity_tb": 6,
        "dpc": 1,
        "memory_speed_mts": 6000
      },
      {
        "capacity_tb": 12,
        "dpc": 2,
        "memory_speed_mts": 4000
      }
    ],
    "capacity_scope": "per-processor",
    "conflicting_source_urls": [
      "https://docs.amd.com/api/khub/documents/xG3lMw~fCmrqvz4A0sDWug/content",
      "https://www.amd.com/content/dam/amd/en/documents/epyc-business-docs/datasheets/amd-epyc-9005-series-processor-datasheet.pdf",
      "https://www.amd.com/en/partner/articles/epyc-9005-series-processors.html"
    ],
    "evidence_checked_at": "2026-10-10T11:39:43.416175+00:00",
    "family": "EPYC 9005 Series",
    "memory_type": "DDR5",
    "not_board_slot_count": true,
    "not_installed_ram": true,
    "source_conflict": "9005-memory-capacity-conflict",
    "source_field": "Conditional maximum supported memory",
    "source_revision": "58471rev1.0 October2024",
    "source_row": 23,
    "source_section": "2.2Memory printed page3",
    "source_sha256": "78ab66a6a7b1d5123eebe3e2907ce1ec37e57bbd211834019f5918283b81cd48"
  },
  "document_id": "reaudit-epyc-9005-conditional-memory-78ab66a6a7b1d512"
}
Memory channels
12
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Memory Channels",
  "raw_value": "12",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "Memory Channels",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
12
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Memory Channels",
  "raw_value": "12",
  "qualifiers": {
    "source_field": "Memory Channels",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}
Published DIMM populations
12, 24
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "Published DIMM populations",
  "raw_value": "12, 24",
  "qualifiers": {
    "document_section": "9005 architecture and DIMM population",
    "scope": "per processor; board layout illustrative",
    "source_field": "Published DIMM populations",
    "source_row": 23
  },
  "document_id": "topology-epyc-9005-d7ac928e263a085a"
}
Supported RAM module types
RDIMM
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "System Memory Subtype",
  "raw_value": "RDIMM",
  "qualifiers": {
    "retrieval_method": "reviewed structured extraction from readable primary-source text",
    "scope": "9004/9005 SP5 family; RDIMM-3DS is also documented",
    "source_field": "System Memory Subtype",
    "source_row": 47,
    "source_url": "https://www.asrockrack.com/minisite/AMD-EPYC-9005-Server/"
  },
  "document_id": "topology-epyc-rdimm-948df062512a03d7"
}
Memory type
DDR5
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "System Memory Type",
  "raw_value": "DDR5",
  "qualifiers": {
    "release_evidence": "dated-manufacturer-listing",
    "source_field": "System Memory Type",
    "source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9005-series/amd-epyc-9255.html",
    "source_row": 54
  },
  "document_id": "amd-server-table-ba5dc2e1f3f72b71"
}
DDR5
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "System Memory Type",
  "raw_value": "DDR5",
  "qualifiers": {
    "source_field": "System Memory Type",
    "source_row": 1
  },
  "document_id": "detail-c20f1813127e037c-da6b990196f27eb7"
}

Connectivity and features

ParameterValue and conditions
Socket
SP5
Source and conditions

View source ↗

{
  "state": "known",
  "raw_label": "CPU Socket",
  "raw_value": "SP5",
  "qualifiers": {
    "document_section": "9005 architecture and DIMM population",
    "scope": "per processor; board layout illustrative",
    "source_field": "CPU Socket",
    "source_row": 23
  },
  "document_id": "topology-epyc-9005-d7ac928e263a085a"
}

Public benchmarks

Compare results with matching versions, scenes, settings and statistics. A run count of 0 identifies an aggregate or reported value, not a newly measured run.

Blender (8)

Blender scene rendering

Too few submissions · No representative score

Run count: 5

Too few submissions · Individual results onlyn = 5

4.5.0 · classroom · CPU · Linux · Ubuntu · 24.04 · 2P · 48 cores · 96 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
343.17 / 423.56
Measurement dates
2026-01-05 – 2026-02-16
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-01-05T12:18:53.195557+00:00",
        "score": 345.3930766751787,
        "source_record_id": "5a048958-40c6-4237-b4b8-5a428bce1a36"
      },
      {
        "measured_at": "2026-01-05T13:43:33.999988+00:00",
        "score": 345.34454221157256,
        "source_record_id": "82f49b58-2200-431a-a364-42db7883e916"
      },
      {
        "measured_at": "2026-01-06T10:56:42.552705+00:00",
        "score": 343.1714890746497,
        "source_record_id": "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
      },
      {
        "measured_at": "2026-02-02T14:27:23.044967+00:00",
        "score": 349.87489487601255,
        "source_record_id": "ae856767-6c7b-49d1-a1a7-09451ef66c64"
      },
      {
        "measured_at": "2026-02-16T10:41:56.935160+00:00",
        "score": 423.55998388218376,
        "source_record_id": "aa3b97a6-cad9-4367-b4a6-8162bd2d4748"
      }
    ],
    "median": null,
    "observed_max": 423.55998388218376,
    "observed_min": 343.1714890746497,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 5,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.1",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "24.04",
      "driver": null,
      "num_cpu_cores": 48,
      "num_cpu_sockets": 2,
      "num_cpu_threads": 96,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "classroom",
    "scene_checksum": "936f0a528f03eba291c67ea87743a0ebde58938fb87471b262721b89b46b875d",
    "version": "4.5.0"
  },
  "condition_id": "105a08d0f86b0f748ad6",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "5a048958-40c6-4237-b4b8-5a428bce1a36",
    "82f49b58-2200-431a-a364-42db7883e916",
    "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
  ],
  "measured_from": "2026-01-05T12:18:53.195557+00:00",
  "measured_to": "2026-02-16T10:41:56.935160+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 5,
  "sample_status": "individual"
}

Blender scene rendering

Too few submissions · No representative score

Run count: 5

Too few submissions · Individual results onlyn = 5

4.5.0 · junkshop · CPU · Linux · Ubuntu · 24.04 · 2P · 48 cores · 96 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
432.7 / 517.91
Measurement dates
2026-01-05 – 2026-02-16
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-01-05T12:18:17.611393+00:00",
        "score": 438.65693481886944,
        "source_record_id": "5a048958-40c6-4237-b4b8-5a428bce1a36"
      },
      {
        "measured_at": "2026-01-05T13:42:59.494717+00:00",
        "score": 433.8479982359502,
        "source_record_id": "82f49b58-2200-431a-a364-42db7883e916"
      },
      {
        "measured_at": "2026-01-06T10:56:06.973419+00:00",
        "score": 432.704195170197,
        "source_record_id": "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
      },
      {
        "measured_at": "2026-02-02T14:26:50.018385+00:00",
        "score": 433.7367759609284,
        "source_record_id": "ae856767-6c7b-49d1-a1a7-09451ef66c64"
      },
      {
        "measured_at": "2026-02-16T10:41:23.412002+00:00",
        "score": 517.9068793471187,
        "source_record_id": "aa3b97a6-cad9-4367-b4a6-8162bd2d4748"
      }
    ],
    "median": null,
    "observed_max": 517.9068793471187,
    "observed_min": 432.704195170197,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 5,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.1",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "24.04",
      "driver": null,
      "num_cpu_cores": 48,
      "num_cpu_sockets": 2,
      "num_cpu_threads": 96,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "junkshop",
    "scene_checksum": "f5515a21a1337b908212d8d76733530df83014464a24c585ab7b96000da0cdce",
    "version": "4.5.0"
  },
  "condition_id": "663cc8c538e70d879c93",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "5a048958-40c6-4237-b4b8-5a428bce1a36",
    "82f49b58-2200-431a-a364-42db7883e916",
    "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
  ],
  "measured_from": "2026-01-05T12:18:17.611393+00:00",
  "measured_to": "2026-02-16T10:41:23.412002+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 5,
  "sample_status": "individual"
}

Blender scene rendering

Too few submissions · No representative score

Run count: 5

Too few submissions · Individual results onlyn = 5

4.5.0 · monster · CPU · Linux · Ubuntu · 24.04 · 2P · 48 cores · 96 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
675.36 / 808.45
Measurement dates
2026-01-05 – 2026-02-16
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-01-05T12:17:33.684859+00:00",
        "score": 677.9705854485379,
        "source_record_id": "5a048958-40c6-4237-b4b8-5a428bce1a36"
      },
      {
        "measured_at": "2026-01-05T13:42:19.424380+00:00",
        "score": 682.8800766742543,
        "source_record_id": "82f49b58-2200-431a-a364-42db7883e916"
      },
      {
        "measured_at": "2026-01-06T10:55:22.959930+00:00",
        "score": 675.358229586365,
        "source_record_id": "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
      },
      {
        "measured_at": "2026-02-02T14:26:08.247817+00:00",
        "score": 678.8799612106626,
        "source_record_id": "ae856767-6c7b-49d1-a1a7-09451ef66c64"
      },
      {
        "measured_at": "2026-02-16T10:40:40.583612+00:00",
        "score": 808.4529713424713,
        "source_record_id": "aa3b97a6-cad9-4367-b4a6-8162bd2d4748"
      }
    ],
    "median": null,
    "observed_max": 808.4529713424713,
    "observed_min": 675.358229586365,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 5,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.1",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "24.04",
      "driver": null,
      "num_cpu_cores": 48,
      "num_cpu_sockets": 2,
      "num_cpu_threads": 96,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "monster",
    "scene_checksum": "8ff812a02f720433de1403dab447be9541eecca71cc919224a7790d017c1b2ce",
    "version": "4.5.0"
  },
  "condition_id": "41e49952ada5efcd51bc",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "5a048958-40c6-4237-b4b8-5a428bce1a36",
    "82f49b58-2200-431a-a364-42db7883e916",
    "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
  ],
  "measured_from": "2026-01-05T12:17:33.684859+00:00",
  "measured_to": "2026-02-16T10:40:40.583612+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 5,
  "sample_status": "individual"
}

Blender scene rendering

Too few submissions · No representative score

Run count: 3

Too few submissions · Individual results onlyn = 3

5.1.1 · classroom · CPU · Linux · Ubuntu · 26.04 · 1P · 24 cores · 48 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
189.64 / 192.95
Measurement dates
2026-05-13 – 2026-06-04
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-05-13T06:46:52.356054+00:00",
        "score": 190.62840621354272,
        "source_record_id": "e20aeb43-7b69-4653-b632-721cefd316b2"
      },
      {
        "measured_at": "2026-05-13T07:53:23.454701+00:00",
        "score": 189.63543304831433,
        "source_record_id": "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c"
      },
      {
        "measured_at": "2026-06-04T09:05:28.915110+00:00",
        "score": 192.9541416917392,
        "source_record_id": "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
      }
    ],
    "median": null,
    "observed_max": 192.9541416917392,
    "observed_min": 189.63543304831433,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 3,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.2",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "26.04",
      "driver": null,
      "num_cpu_cores": 24,
      "num_cpu_sockets": 1,
      "num_cpu_threads": 48,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "classroom",
    "scene_checksum": "936f0a528f03eba291c67ea87743a0ebde58938fb87471b262721b89b46b875d",
    "version": "5.1.1"
  },
  "condition_id": "3e1c96d090b8bc6b0d8a",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "e20aeb43-7b69-4653-b632-721cefd316b2",
    "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c",
    "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
  ],
  "measured_from": "2026-05-13T06:46:52.356054+00:00",
  "measured_to": "2026-06-04T09:05:28.915110+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 3,
  "sample_status": "individual"
}

Blender scene rendering

Too few submissions · No representative score

Run count: 3

Too few submissions · Individual results onlyn = 3

5.1.1 · junkshop · CPU · Linux · Ubuntu · 26.04 · 1P · 24 cores · 48 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
271.06 / 273.65
Measurement dates
2026-05-13 – 2026-06-04
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-05-13T06:46:18.488798+00:00",
        "score": 271.0551663213626,
        "source_record_id": "e20aeb43-7b69-4653-b632-721cefd316b2"
      },
      {
        "measured_at": "2026-05-13T07:52:49.572291+00:00",
        "score": 271.80939746271554,
        "source_record_id": "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c"
      },
      {
        "measured_at": "2026-06-04T09:04:55.175859+00:00",
        "score": 273.654887079682,
        "source_record_id": "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
      }
    ],
    "median": null,
    "observed_max": 273.654887079682,
    "observed_min": 271.0551663213626,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 3,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.2",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "26.04",
      "driver": null,
      "num_cpu_cores": 24,
      "num_cpu_sockets": 1,
      "num_cpu_threads": 48,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "junkshop",
    "scene_checksum": "f5515a21a1337b908212d8d76733530df83014464a24c585ab7b96000da0cdce",
    "version": "5.1.1"
  },
  "condition_id": "5fbd70189536920714c0",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "e20aeb43-7b69-4653-b632-721cefd316b2",
    "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c",
    "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
  ],
  "measured_from": "2026-05-13T06:46:18.488798+00:00",
  "measured_to": "2026-06-04T09:04:55.175859+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 3,
  "sample_status": "individual"
}

Blender scene rendering

Too few submissions · No representative score

Run count: 3

Too few submissions · Individual results onlyn = 3

5.1.1 · monster · CPU · Linux · Ubuntu · 26.04 · 1P · 24 cores · 48 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
330.95 / 338.31
Measurement dates
2026-05-13 – 2026-06-04
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-05-13T06:45:38.997839+00:00",
        "score": 331.79803341120106,
        "source_record_id": "e20aeb43-7b69-4653-b632-721cefd316b2"
      },
      {
        "measured_at": "2026-05-13T07:52:10.563626+00:00",
        "score": 330.95475662397973,
        "source_record_id": "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c"
      },
      {
        "measured_at": "2026-06-04T09:04:15.463403+00:00",
        "score": 338.3063033230435,
        "source_record_id": "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
      }
    ],
    "median": null,
    "observed_max": 338.3063033230435,
    "observed_min": 330.95475662397973,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 3,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.2",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "26.04",
      "driver": null,
      "num_cpu_cores": 24,
      "num_cpu_sockets": 1,
      "num_cpu_threads": 48,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "monster",
    "scene_checksum": "8ff812a02f720433de1403dab447be9541eecca71cc919224a7790d017c1b2ce",
    "version": "5.1.1"
  },
  "condition_id": "c7901d4d88124b4c5421",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "e20aeb43-7b69-4653-b632-721cefd316b2",
    "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c",
    "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
  ],
  "measured_from": "2026-05-13T06:45:38.997839+00:00",
  "measured_to": "2026-06-04T09:04:15.463403+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 3,
  "sample_status": "individual"
}

Blender complete benchmark

Too few submissions · No representative score

Run count: 5

Too few submissions · Individual results onlyn = 5

4.5.0 · monster + junkshop + classroom · CPU · Linux · Ubuntu · 24.04 · 2P · 48 cores · 96 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
1,451.23 / 1,749.92
Measurement dates
2026-01-05 – 2026-02-16
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-01-05T12:18:53.195557+00:00",
        "score": 1462.020596942586,
        "source_record_id": "5a048958-40c6-4237-b4b8-5a428bce1a36"
      },
      {
        "measured_at": "2026-01-05T13:43:33.999988+00:00",
        "score": 1462.072617121777,
        "source_record_id": "82f49b58-2200-431a-a364-42db7883e916"
      },
      {
        "measured_at": "2026-01-06T10:56:42.552705+00:00",
        "score": 1451.2339138312118,
        "source_record_id": "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
      },
      {
        "measured_at": "2026-02-02T14:27:23.044967+00:00",
        "score": 1462.4916320476036,
        "source_record_id": "ae856767-6c7b-49d1-a1a7-09451ef66c64"
      },
      {
        "measured_at": "2026-02-16T10:41:56.935160+00:00",
        "score": 1749.9198345717737,
        "source_record_id": "aa3b97a6-cad9-4367-b4a6-8162bd2d4748"
      }
    ],
    "median": null,
    "observed_max": 1749.9198345717737,
    "observed_min": 1451.2339138312118,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 5,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.1",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "24.04",
      "driver": null,
      "num_cpu_cores": 48,
      "num_cpu_sockets": 2,
      "num_cpu_threads": 96,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "monster + junkshop + classroom",
    "scene_checksum": "c3453da9769193d968fb1cc675fd7f92a3424abe9ac730218f2e00b953389356",
    "version": "4.5.0"
  },
  "condition_id": "79d63a0172d7ccdbbbc5",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "5a048958-40c6-4237-b4b8-5a428bce1a36",
    "82f49b58-2200-431a-a364-42db7883e916",
    "9f422e2d-57f7-41cc-91fb-68d4db6d2c4f"
  ],
  "measured_from": "2026-01-05T12:18:53.195557+00:00",
  "measured_to": "2026-02-16T10:41:56.935160+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.total_samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 5,
  "sample_status": "individual"
}

Blender complete benchmark

Too few submissions · No representative score

Run count: 3

Too few submissions · Individual results onlyn = 3

5.1.1 · monster + junkshop + classroom · CPU · Linux · Ubuntu · 26.04 · 1P · 24 cores · 48 threads

Counts represent submissions; the number of independent systems is unknown. Stock or overclocked status, RAM and power settings are also unknown.

Measurement scope and interpretation

Sample thresholds are an initial display policy, not a guarantee of statistical confidence. P95 is not a theoretical limit. OS submission shares do not represent user market share.

Observed minimum / maximum
792.4 / 804.92
Measurement dates
2026-05-13 – 2026-06-04
Duplicate submissions removed
0
Quantile calculation
linear interpolation · (n−1) × p

View source ↗

{
  "analysis": {
    "duplicates_removed": 0,
    "independent_system_count": null,
    "individual_results": [
      {
        "measured_at": "2026-05-13T06:46:52.356054+00:00",
        "score": 793.4816059461064,
        "source_record_id": "e20aeb43-7b69-4653-b632-721cefd316b2"
      },
      {
        "measured_at": "2026-05-13T07:53:23.454701+00:00",
        "score": 792.3995871350096,
        "source_record_id": "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c"
      },
      {
        "measured_at": "2026-06-04T09:05:28.915110+00:00",
        "score": 804.9153320944647,
        "source_record_id": "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
      }
    ],
    "median": null,
    "observed_max": 804.9153320944647,
    "observed_min": 792.3995871350096,
    "policy": "submitted-runs-v1",
    "quantile_method": "linear interpolation at (n-1)*p",
    "sample_count": 3,
    "sample_status": "individual",
    "settings_status": "unknown"
  },
  "comparison_readiness": "observational-only",
  "condition": {
    "benchmark": "Blender",
    "environment": {
      "backend": "CPU",
      "benchmark_script": "3.1.2",
      "device_name": "AMD EPYC 9255 24-Core Processor",
      "dist_name": "Ubuntu",
      "dist_version": "26.04",
      "driver": null,
      "num_cpu_cores": 24,
      "num_cpu_sockets": 1,
      "num_cpu_threads": 48,
      "power_limit": null,
      "ram_bytes": null,
      "settings_status": "unknown",
      "system": "Linux"
    },
    "scene": "monster + junkshop + classroom",
    "scene_checksum": "c3453da9769193d968fb1cc675fd7f92a3424abe9ac730218f2e00b953389356",
    "version": "5.1.1"
  },
  "condition_id": "82b1a1d362f1d3e12e31",
  "document_id": "blender-open-data-3b13b06e2e84b715",
  "example_record_ids": [
    "e20aeb43-7b69-4653-b632-721cefd316b2",
    "c82a2c8c-ffac-4f98-9bfb-e8e028a94e8c",
    "0c2daa97-f918-4b9e-b7ab-6bc733d32403"
  ],
  "measured_from": "2026-05-13T06:46:52.356054+00:00",
  "measured_to": "2026-06-04T09:05:28.915110+00:00",
  "median": null,
  "parameter_id": "benchmark.blender.total_samples_per_minute",
  "population": "public submitted runs; not independent systems",
  "product_id": "amd-epyc-9255",
  "run_count": 3,
  "sample_status": "individual"
}

Sources

Source terms and retrieval dates are listed below. Published values and conditions may change.