AMD · CPU
AMD EPYC 9646
AMD EPYC 9646 — 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.
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Power
| Parameter | Value and conditions |
|---|---|
| Source-reported TDP | Sources disagree Unresolved Source and conditions{
"state": "unresolved",
"raw_label": "Default CPU Power",
"raw_value": "300W (CPU Power Range: 155W-300W)",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "Default CPU Power",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}Unresolved Source and conditions{
"state": "unresolved",
"raw_label": "Default CPU Power",
"raw_value": "300W (CPU Power Range: 155W-300W)",
"qualifiers": {
"source_field": "Default CPU Power",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
Compute
| Parameter | Value and conditions |
|---|---|
| Base clock | 2,800 MHz Source and conditions{
"state": "known",
"raw_label": "Base Clock",
"raw_value": "2.8 GHz",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "Base Clock",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}2,800 MHz Source and conditions{
"state": "known",
"raw_label": "Base Clock",
"raw_value": "2.8 GHz",
"qualifiers": {
"source_field": "Base Clock",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
| Max boost clock | 3,700 MHz Source and conditions{
"state": "known",
"raw_label": "Max. Boost Clock",
"raw_value": "Up to 3.7 GHz",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "Max. Boost Clock",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}3,700 MHz Source and conditions{
"state": "known",
"raw_label": "Max. Boost Clock",
"raw_value": "Up to 3.7 GHz",
"qualifiers": {
"source_field": "Max. Boost Clock",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
| CPU cores | 96 Source and conditions{
"state": "known",
"raw_label": "# of CPU Cores",
"raw_value": "96",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "# of CPU Cores",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}96 Source and conditions{
"state": "known",
"raw_label": "# of CPU Cores",
"raw_value": "96",
"qualifiers": {
"source_field": "# of CPU Cores",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
| threads | 192 Source and conditions{
"state": "known",
"raw_label": "# of Threads",
"raw_value": "192",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "# of Threads",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}192 Source and conditions{
"state": "known",
"raw_label": "# of Threads",
"raw_value": "192",
"qualifiers": {
"source_field": "# of Threads",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
Memory
| Parameter | Value and conditions |
|---|---|
| L3 cache | 256 MB Source and conditions{
"state": "known",
"raw_label": "L3 Cache",
"raw_value": "256 MB",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "L3 Cache",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}256 MB Source and conditions{
"state": "known",
"raw_label": "L3 Cache",
"raw_value": "256 MB",
"qualifiers": {
"source_field": "L3 Cache",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
| Memory channels | 8 Source and conditions{
"state": "known",
"raw_label": "Memory Channels",
"raw_value": "8",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "Memory Channels",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}8 Source and conditions{
"state": "known",
"raw_label": "Memory Channels",
"raw_value": "8",
"qualifiers": {
"source_field": "Memory Channels",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
| Memory type | DDR5 RDIMM | MRDIMM Source and conditions{
"state": "known",
"raw_label": "System Memory Type",
"raw_value": "DDR5 RDIMM | MRDIMM",
"qualifiers": {
"release_evidence": "manufacturer-listed-date-unknown",
"source_field": "System Memory Type",
"source_product_url": "https://www.amd.com/en/products/processors/server/epyc/9006-series/amd-epyc-9646.html",
"source_row": 15
},
"document_id": "amd-server-table-ba5dc2e1f3f72b71"
}DDR5 RDIMM | MRDIMM Source and conditions{
"state": "known",
"raw_label": "System Memory Type",
"raw_value": "DDR5 RDIMM | MRDIMM",
"qualifiers": {
"source_field": "System Memory Type",
"source_row": 1
},
"document_id": "detail-ae8ad874a45b7b84-c240325262083026"
} |
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.
No comparable public scores are available. This does not mean a score of zero or poor performance.
Sources
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- View source ↗ 2026-10-09
Official AMD DataTables complete row data read in browser; captured source JSON retained
- View source ↗ 2026-10-09
Complete official manufacturer detail/compare table; original HTML retained