Side by side comparison and review of AMD Ryzen 9 7900X and AMD EPYC 7663P. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | AMD Ryzen 9 7900X | AMD EPYC 7663P |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 7900X | AMD EPYC 7663P |
|---|
| Type | AMD Ryzen 9 7900X | AMD EPYC 7663P |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM5 | Socket SP3 |
| Manufacturing Process | 5 nm | - |
| Thermal Design Power | 170 W | 280 W |
| Thermal Specification | 95 °C | - |
| PCI Express Revision | 4.0 | 4.0 |
| 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 | 56-core |
|---|---|---|
| Number of Threads | 24 threads | 112 threads |
| Clock Speed (Frequency) | 4.7 GHz | 2 GHz |
| Max Turbo Speed | 5.6 GHz | 3.5 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 7663P |
|---|
| Type | Radeon Graphics | - |
|---|---|---|
| Base Frequency | 400 MHz | - |
| Max Dynamic Frequency | 2.2 GHz | - |
| MISCELLANEOUS | AMD Ryzen 9 7900X | AMD EPYC 7663P |
|---|
| Service & Support | Limited warranty - parts and labour - 3 years | - |
|---|
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