Detailed comparison and review of Intel Xeon E3-1281V3 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 E3-1281V3 | Intel Xeon E5-2643V4 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E3-1281V3 | Intel Xeon E5-2643V4 |
|---|
| Type | Intel Xeon E3-1281V3 | Intel Xeon E5-2643V4 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1150 Socket | LGA2011-v3 Socket |
| Manufacturing Process | 22 nm | 14 nm |
| Thermal Design Power | 82 W | 135 W |
| Thermal Specification | - | 75 °C |
| PCI Express Revision | 3.0 | 3.0 |
| PCI Express Configurations | 1x16, 2x8, 1x8, 2x4 | X16, x4, x8 |
| PCI Express Lanes Qty | 16 | 40 |
| Architecture Features | SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 6-core |
|---|---|---|
| Number of Threads | 8 threads | 12 threads |
| Clock Speed (Frequency) | 3.7 GHz | 3.4 GHz |
| Max Turbo Speed | 4.1 GHz | 3.7 GHz |
| Bus Speed | - | 2400 MHz |
| CACHE MEMORY |
|---|
| Cache | 8 MB | 20 MB |
|---|---|---|
| Cache Memory Details | L3 - 8 MB | 20 MB |
| Installed Size | 8 MB | - |
| RAM |
|---|
| Installed RAM Size | 32 GB | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E3-1281V3 | Intel Xeon E5-2643V4 |
|---|
| Compatible Slots | 1 x processor - LGA1150 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E3-1281V3 | Intel Xeon E5-2643V4 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | - |
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