In depth comparison and review of AMD Ryzen 9 7900X3D and AMD EPYC 7663P. 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 7900X3D | AMD EPYC 7663P |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 7900X3D | AMD EPYC 7663P |
|---|
| Type | AMD Ryzen 9 7900X3D | AMD EPYC 7663P |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM5 | Socket SP3 |
| Manufacturing Process | 5 nm | - |
| Thermal Design Power | 120 W | 280 W |
| Thermal Specification | 89 °C | - |
| PCI Express Revision | 5.0 | 4.0 |
| PCI Express Lanes Qty | 28 | 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) | 4.4 GHz | 2 GHz |
| Max Turbo Speed | 5.6 GHz | 3.5 GHz |
| CACHE MEMORY |
|---|
| Cache | 128 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L3 - 128 MB L2 - 12 MB L1 - 768 KB |
L3 - 256 MB |
| INTEGRATED GRAPHICS (GPU) | AMD Ryzen 9 7900X3D | AMD EPYC 7663P |
|---|
| Type | Radeon Graphics | - |
|---|---|---|
| Base Frequency | 400 MHz | - |
| Max Dynamic Frequency | 2200 MHz | - |
| MISCELLANEOUS | AMD Ryzen 9 7900X3D | AMD EPYC 7663P |
|---|
| Service & Support | Limited warranty - 3 years | - |
|---|
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