In depth comparison and review of Intel Xeon E5-2643 and AMD Athlon II X4 631. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
| GENERAL | Intel Xeon E5-2643 | AMD Athlon II X4 631 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2643 | AMD Athlon II X4 631 |
|---|
| Type | Intel Xeon E5-2643 | AMD Athlon II X4 631 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA2011 Socket | Socket FM1 |
| Core Voltage | 0.6 V - 1.35 V | 0.45 V - 1.4125 V |
| Manufacturing Process | 32 nm | 32 nm |
| Thermal Design Power | 130 W | 100 W |
| Thermal Specification | 73 °C | 70.1 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 40 | - |
| Architecture Features | Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology | 3DNow! Professional technology, streaming SIMD extensions, streaming SIMD extensions 2, MMX instructions set, HyperTransport technology, AMD64 technology, integrated memory controller, streaming SIMD extensions 3, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Quad-Core |
|---|---|---|
| Number of Threads | 8 threads | - |
| Clock Speed (Frequency) | 3.3 GHz | 2.6 GHz |
| Max Turbo Speed | 3.5 GHz | - |
| Bus Speed | 1600 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 10 MB | - |
|---|---|---|
| Cache Memory Details | L3 - 10 MB | L2 - 4 MB |
| Installed Size | 10 MB | 4 MB |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2643 | AMD Athlon II X4 631 |
|---|
| Compatible Slots | 1 x processor - LGA2011 Socket | 1 x processor - Socket FM1 |
|---|
| MISCELLANEOUS | Intel Xeon E5-2643 | AMD Athlon II X4 631 |
|---|
| Included Accessories | Heat sink | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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