In depth comparison and review of AMD Ryzen 9 7900X and AMD EPYC 9554. 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 7900X | AMD EPYC 9554 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 7900X | AMD EPYC 9554 |
|---|
| Type | AMD Ryzen 9 7900X | AMD EPYC 9554 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM5 | Socket SP5 |
| Manufacturing Process | 5 nm | - |
| Thermal Design Power | 170 W | 360 W |
| Thermal Specification | 95 °C | - |
| PCI Express Revision | 4.0 | 5.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 64-core |
|---|---|---|
| Number of Threads | 24 threads | 128 threads |
| Clock Speed (Frequency) | 4.7 GHz | 3.1 GHz |
| Max Turbo Speed | 5.6 GHz | 3.75 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L1 - 768 KB L2 - 12 MB L3 - 64 MB |
L3 - 256 MB |
| INTEGRATED GRAPHICS (GPU) | AMD Ryzen 9 7900X | AMD EPYC 9554 |
|---|
| Type | Radeon Graphics | - |
|---|---|---|
| Base Frequency | 400 MHz | - |
| Max Dynamic Frequency | 2.2 GHz | - |
| MISCELLANEOUS | AMD Ryzen 9 7900X | AMD EPYC 9554 |
|---|
| Service & Support | Limited warranty - parts and labour - 3 years | - |
|---|
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