Intel · CPU
Intel Xeon Processor E5-2643 v4
Intel Xeon Processor E5-2643 v4 — 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 |
|---|---|
| Intel TDP | 135 W Source and conditions{
"state": "known",
"raw_label": "TDP",
"raw_value": "135 W",
"qualifiers": {
"source_field": "TDP",
"source_row": 29
},
"document_id": "intel-family-91287-9a95110dc20f637e"
}135 W Source and conditions{
"state": "known",
"raw_label": "TDP",
"raw_value": "135 W",
"qualifiers": {
"intel_sku": "92989",
"source_field": "TDP",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
Compute
| Parameter | Value and conditions |
|---|---|
| Base clock | 3,400 MHz Source and conditions{
"state": "known",
"raw_label": "Processor Base Frequency",
"raw_value": "3.40 GHz",
"qualifiers": {
"source_field": "Processor Base Frequency",
"source_row": 29
},
"document_id": "intel-family-91287-9a95110dc20f637e"
}3,400 MHz Source and conditions{
"state": "known",
"raw_label": "Processor Base Frequency",
"raw_value": "3.40 GHz",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Processor Base Frequency",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Max boost clock | 3,700 MHz Source and conditions{
"state": "known",
"raw_label": "Max Turbo Frequency",
"raw_value": "3.70 GHz",
"qualifiers": {
"source_field": "Max Turbo Frequency",
"source_row": 29
},
"document_id": "intel-family-91287-9a95110dc20f637e"
}3,700 MHz Source and conditions{
"state": "known",
"raw_label": "Max Turbo Frequency",
"raw_value": "3.70 GHz",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Max Turbo Frequency",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| CPU cores | 6 Source and conditions{
"state": "known",
"raw_label": "Total Cores",
"raw_value": "6",
"qualifiers": {
"source_field": "Total Cores",
"source_row": 29
},
"document_id": "intel-family-91287-9a95110dc20f637e"
}6 Source and conditions{
"state": "known",
"raw_label": "Total Cores",
"raw_value": "6",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Total Cores",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Published process node | 14 nm Source and conditions{
"state": "known",
"raw_label": "Lithography",
"raw_value": "14 nm",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Lithography",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| threads | 12 Source and conditions{
"state": "known",
"raw_label": "Total Threads",
"raw_value": "12",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Total Threads",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
Memory
| Parameter | Value and conditions |
|---|---|
| ECC Supported | Supported Source and conditions{
"state": "known",
"raw_label": "ECC Memory Supported",
"raw_value": "Yes",
"qualifiers": {
"intel_sku": "92989",
"source_field": "ECC Memory Supported",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Intel Smart Cache | 20 MB Source and conditions{
"state": "known",
"raw_label": "Cache",
"raw_value": "20 MB Intel Smart Cache",
"qualifiers": {
"source_field": "Cache",
"source_row": 29
},
"document_id": "intel-family-91287-9a95110dc20f637e"
}20 MB Source and conditions{
"state": "known",
"raw_label": "Cache",
"raw_value": "20 MB Intel Smart Cache",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Cache",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Max supported memory (TB) | 1.5 TB Source and conditions{
"state": "known",
"raw_label": "Max Memory Size (dependent on memory type)",
"raw_value": "1.5 TB",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Max Memory Size (dependent on memory type)",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Maximum memory bandwidth | 76.8 GB/s Source and conditions{
"state": "known",
"raw_label": "Max Memory Bandwidth",
"raw_value": "76.8 GB/s",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Max Memory Bandwidth",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Memory channels | 4 Source and conditions{
"state": "known",
"raw_label": "Max # of Memory Channels",
"raw_value": "4",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Max # of Memory Channels",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Memory type | DDR4 1600/1866/2133/2400 Source and conditions{
"state": "known",
"raw_label": "Memory Types",
"raw_value": "DDR4 1600/1866/2133/2400",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Memory Types",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
Connectivity and features
| Parameter | Value and conditions |
|---|---|
| Hyper-Threading Supported | Supported Source and conditions{
"state": "known",
"raw_label": "Intel Hyper-Threading Technology",
"raw_value": "Yes",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Intel Hyper-Threading Technology",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Max CPU PCIe lanes | 40 Source and conditions{
"state": "known",
"raw_label": "Max # of PCI Express Lanes",
"raw_value": "40",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Max # of PCI Express Lanes",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
| Socket | FCLGA2011 Source and conditions{
"state": "known",
"raw_label": "Sockets Supported",
"raw_value": "FCLGA2011",
"qualifiers": {
"intel_sku": "92989",
"source_field": "Sockets Supported",
"source_product_url": "https://www.intel.com/content/www/us/en/products/sku/92989/intel-xeon-processor-e52643-v4-20m-cache-3-40-ghz/specifications.html",
"source_row": 7
},
"document_id": "detail-1c254971a4407430-cd502b51400bbd82"
} |
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
Source terms and retrieval dates are listed below. Published values and conditions may change.
- View source ↗ 2026-10-09
official Intel product-family table via web extraction; checked 2026-10-09; not original HTML
- View source ↗ 2026-10-09
Official Intel compare table extracted in ordinary browser; normalized source rows retained, not original HTML