Detailed comparison and review of AMD EPYC 7742 and AMD Ryzen 9 7900X. 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 7742 | AMD Ryzen 9 7900X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7742 | AMD Ryzen 9 7900X |
|---|
| Type | AMD EPYC 7742 | AMD Ryzen 9 7900X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM5 |
| Manufacturing Process | - | 5 nm |
| Thermal Design Power | 225 W | 170 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 4.0 | 4.0 |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | AMD Infinity Architecture | AMD Ryzen Master Utility, AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 64-core | 12-core |
|---|---|---|
| Number of Threads | 128 threads | 24 threads |
| Clock Speed (Frequency) | 2.25 GHz | 4.7 GHz |
| Max Turbo Speed | 3.4 GHz | 5.6 GHz |
| CACHE MEMORY |
|---|
| Cache | 256 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 256 MB | L1 - 768 KB L2 - 12 MB L3 - 64 MB |
| INTEGRATED GRAPHICS (GPU) | AMD EPYC 7742 | AMD Ryzen 9 7900X |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | AMD EPYC 7742 | AMD Ryzen 9 7900X |
|---|
| Service & Support | - | Limited warranty - parts and labour - 3 years |
|---|
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