Detailed comparison and review of Intel Xeon E7-8891V3 and Intel Xeon E5-2643V4. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | Intel Xeon E7-8891V3 | Intel Xeon E5-2643V4 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7-8891V3 | Intel Xeon E5-2643V4 |
|---|
| Type | Intel Xeon E7-8891V3 | Intel Xeon E5-2643V4 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | LGA2011-v3 Socket |
| Manufacturing Process | 22 nm | 14 nm |
| Thermal Design Power | 165 W | 135 W |
| Thermal Specification | 79 °C | 75 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | X16, x4, x8 | X16, x4, x8 |
| PCI Express Lanes Qty | 32 | 40 |
| Architecture Features | Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX) | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | 10-core | 6-core |
|---|---|---|
| Number of Threads | 20 threads | 12 threads |
| Clock Speed (Frequency) | 2.8 GHz | 3.4 GHz |
| Max Turbo Speed | 3.5 GHz | 3.7 GHz |
| Bus Speed | 1866 MHz | 2400 MHz |
| CACHE MEMORY |
|---|
| Cache | 45 MB | 20 MB |
|---|---|---|
| Cache Memory Details | 45 MB | 20 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E7-8891V3 | Intel Xeon E5-2643V4 |
|---|
| Expansion Slots | 24 (total) / 24 (free) x memory - DIMM 240-pin | - |
|---|
| MISCELLANEOUS | Intel Xeon E7-8891V3 | Intel Xeon E5-2643V4 |
|---|
| Included Accessories | 2 hot swap fans | Heat sink |
|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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