In depth comparison and review of AMD EPYC 7643 (3rd Gen) and AMD EPYC 9254. 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 EPYC 9254 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7643 (3rd Gen) | AMD EPYC 9254 |
|---|
| Type | AMD EPYC 7643 (3rd Gen) | AMD EPYC 9254 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket SP5 |
| Thermal Design Power | 225 W | 200 W |
| PCI Express Revision | 4.0 | 5.0 |
| PCI Express Lanes Qty | 128 | 128 |
| Architecture Features | AMD Infinity Architecture, AMD Infinity Guard | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 48-core | 24-core |
|---|---|---|
| Number of Threads | 96 threads | 48 threads |
| Clock Speed (Frequency) | 2.3 GHz | 2.9 GHz |
| Max Turbo Speed | 3.6 GHz | 4.15 GHz |
| CACHE MEMORY |
|---|
| Cache | 256 MB | 128 MB |
|---|---|---|
| Cache Memory Details | L3 - 256 MB | L3 - 128 MB |
| MISCELLANEOUS | AMD EPYC 7643 (3rd Gen) | AMD EPYC 9254 |
|---|
| Included Accessories | - | Heat sink |
|---|
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