In depth comparison and review of Intel Xeon E7520 and AMD EPYC 7251. 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 E7520 | AMD EPYC 7251 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E7520 | AMD EPYC 7251 |
|---|
| Type | Intel Xeon E7520 | AMD EPYC 7251 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1567 Socket | Socket SP3 |
| Manufacturing Process | 45 nm | - |
| Thermal Design Power | 95 W | 120 W |
| Thermal Specification | 70 °C | - |
| PCI Express Revision | - | 3.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology | "Zen" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | 8 threads | 16 threads |
| Clock Speed (Frequency) | 1.87 GHz | 2.1 GHz |
| Max Turbo Speed | - | 2.9 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 18 MB | 32 MB |
|---|---|---|
| Cache Memory Details | L3 - 18 MB | L3 - 32 MB L2 - 4 MB |
| Installed Size | 18 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E7520 | AMD EPYC 7251 |
|---|
| Compatible Slots | 2 x processor | - |
|---|
| MISCELLANEOUS | Intel Xeon E7520 | AMD EPYC 7251 |
|---|
| Included Accessories | - | Heat sink |
|---|---|---|
| Compliant Standards | RoHS | - |
| Service & Support | Limited warranty - 3 years | - |
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