In depth comparison and review of AMD EPYC 7643 (3rd Gen) and AMD Ryzen 9 7950X. 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 7643 (3rd Gen) | AMD Ryzen 9 7950X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7643 (3rd Gen) | AMD Ryzen 9 7950X |
|---|
| Type | AMD EPYC 7643 (3rd Gen) | AMD Ryzen 9 7950X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM5 |
| Manufacturing Process | - | 5 nm |
| Thermal Design Power | 225 W | 170 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 4.0 | - |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | AMD Infinity Architecture, AMD Infinity Guard | AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 48-core | 16-core |
|---|---|---|
| Number of Threads | 96 threads | 32 threads |
| Clock Speed (Frequency) | 2.3 GHz | 4.5 GHz |
| Max Turbo Speed | 3.6 GHz | 5.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 256 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 256 MB | L3 - 64 MB L2 - 16 MB L1 - 1 MB |
| INTEGRATED GRAPHICS (GPU) | AMD EPYC 7643 (3rd Gen) | AMD Ryzen 9 7950X |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | AMD EPYC 7643 (3rd Gen) | AMD Ryzen 9 7950X |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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