In depth comparison and review of AMD Ryzen 9 5900X and AMD EPYC 7643. 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 Ryzen 9 5900X | AMD EPYC 7643 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 5900X | AMD EPYC 7643 |
|---|
| Type | AMD Ryzen 9 5900X | AMD EPYC 7643 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | - |
| Manufacturing Process | 7 nm | - |
| Thermal Design Power | 105 W | 225 W |
| PCI Express Revision | 4.0 | - |
| Architecture Features | AMD Ryzen Master Utility, AMD Ryzen VR-Ready Premium, AMD StoreMI Technology | - |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 48-core |
|---|---|---|
| Number of Threads | 24 threads | 96 threads |
| Clock Speed (Frequency) | 3.7 GHz | 2.3 GHz |
| Max Turbo Speed | 4.8 GHz | 3.6 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L2 - 6 MB L3 - 64 MB |
L3 - 256 MB |
| MISCELLANEOUS | AMD Ryzen 9 5900X | AMD EPYC 7643 |
|---|
| Service & Support | Limited warranty - parts and labour - 3 years | - |
|---|
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