Side by side comparison and review of AMD EPYC 7542 and AMD Ryzen 9 Pro 7945. 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 EPYC 7542 | AMD Ryzen 9 Pro 7945 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7542 | AMD Ryzen 9 Pro 7945 |
|---|
| Type | AMD EPYC 7542 | AMD Ryzen 9 Pro 7945 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM5 |
| Socket Count | 1P/2P | - |
| Manufacturing Process | - | 5 nm |
| Thermal Design Power | 225 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 4.0 | 5.0 |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | AMD Infinity Architecture | "Zen 4" Core Architecture, AMD PRO technologies |
| PERFORMANCE |
|---|
| Number of Cores | 32-core | 12-core |
|---|---|---|
| Number of Threads | 64 threads | 24 threads |
| Clock Speed (Frequency) | 2.9 GHz | 3.7 GHz |
| Max Turbo Speed | 3.4 GHz | 5.4 GHz |
| CACHE MEMORY |
|---|
| Cache | 128 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 128 MB | L3 - 64 MB L2 - 12 MB L1 - 768 KB |
| INTEGRATED GRAPHICS (GPU) | AMD EPYC 7542 | AMD Ryzen 9 Pro 7945 |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Max Dynamic Frequency | - | 2200 MHz |
| MISCELLANEOUS | AMD EPYC 7542 | AMD Ryzen 9 Pro 7945 |
|---|
| Included Accessories | Heat sink | AMD Wraith Spire Cooler |
|---|---|---|
| Service & Support | - | Limited warranty - parts and labour - 3 years |
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