Detailed comparison and review of Intel Xeon E5540 and AMD Athlon II X4 631. 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 E5540 | AMD Athlon II X4 631 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5540 | AMD Athlon II X4 631 |
|---|
| Type | Intel Xeon E5540 | AMD Athlon II X4 631 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1366 Socket | Socket FM1 |
| Core Voltage | 0.75 V - 1.35 V | 0.45 V - 1.4125 V |
| Manufacturing Process | 45 nm | 32 nm |
| Thermal Design Power | 80 W | 100 W |
| Thermal Specification | 76 °C | 70.1 °C |
| Architecture Features | Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Dynamic Acceleration | 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) | 2.53 GHz | 2.6 GHz |
| Max Turbo Speed | 2.8 GHz | - |
| Bus Speed | 1066 MHz | - |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache | 8 MB | - |
|---|---|---|
| Cache Level 1 Size | 256 KB | - |
| Cache Memory Details | L2 - SLC NAND Flash - 8 MB | L2 - 4 MB |
| Installed Size | 8 MB | 4 MB |
| Type | SLC NAND Flash | - |
| RAM |
|---|
| Technology | DDR3 SDRAM - 1066 MHz | - |
|---|
| EXPANSION & CONNECTIVITY | Intel Xeon E5540 | AMD Athlon II X4 631 |
|---|
| Compatible Slots | 1 x processor | 1 x processor - Socket FM1 |
|---|
| MISCELLANEOUS | Intel Xeon E5540 | AMD Athlon II X4 631 |
|---|
| Included Accessories | Heat sink, voltage regulator module | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 1 year - on-site | Limited warranty - 3 years |
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