In depth comparison and review of AMD EPYC 7251 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 | AMD EPYC 7251 | AMD Athlon II X4 631 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7251 | AMD Athlon II X4 631 |
|---|
| Type | AMD EPYC 7251 | AMD Athlon II X4 631 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket FM1 |
| Core Voltage | - | 0.45 V - 1.4125 V |
| Manufacturing Process | - | 32 nm |
| Thermal Design Power | 120 W | 100 W |
| Thermal Specification | - | 70.1 °C |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | "Zen" Core Architecture | 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 | 8-core | Quad-Core |
|---|---|---|
| Number of Threads | 16 threads | - |
| Clock Speed (Frequency) | 2.1 GHz | 2.6 GHz |
| Max Turbo Speed | 2.9 GHz | - |
| 64-bit Computing | - | Yes |
| CACHE MEMORY |
|---|
| Cache | 32 MB | - |
|---|---|---|
| Cache Memory Details | L3 - 32 MB L2 - 4 MB |
L2 - 4 MB |
| Installed Size | - | 4 MB |
| EXPANSION & CONNECTIVITY | AMD EPYC 7251 | AMD Athlon II X4 631 |
|---|
| Compatible Slots | - | 1 x processor - Socket FM1 |
|---|
| MISCELLANEOUS | AMD EPYC 7251 | AMD Athlon II X4 631 |
|---|
| Included Accessories | Heat sink | Heat sink |
|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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