Detailed comparison and review of AMD EPYC 7451 and AMD Ryzen 9 7900. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.
| GENERAL | AMD EPYC 7451 | AMD Ryzen 9 7900 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7451 | AMD Ryzen 9 7900 |
|---|
| Type | AMD EPYC 7451 | AMD Ryzen 9 7900 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM5 |
| Manufacturing Process | - | 5 nm |
| Thermal Design Power | 180 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | - | 5.0 |
| PCI Express Lanes Qty | - | 28 |
| Architecture Features | "Zen" Core Architecture | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 24-core | 12-core |
|---|---|---|
| Number of Threads | 48 threads | 24 threads |
| Clock Speed (Frequency) | 2.3 GHz | 3.7 GHz |
| Max Turbo Speed | 3.2 GHz | 5.4 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 64 MB | L1 - 768 KB L2 - 12 MB L3 - 64 MB |
| INTEGRATED GRAPHICS (GPU) | AMD EPYC 7451 | AMD Ryzen 9 7900 |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | AMD EPYC 7451 | AMD Ryzen 9 7900 |
|---|
| Included Accessories | Performance heatsink | AMD Wraith Prism |
|---|---|---|
| Service & Support | - | Limited warranty - parts and labour - 3 years |
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