In depth comparison and review of AMD EPYC 7551 and AMD Ryzen ThreadRipper 3990X. 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 EPYC 7551 | AMD Ryzen ThreadRipper 3990X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7551 | AMD Ryzen ThreadRipper 3990X |
|---|
| Type | AMD EPYC 7551 | AMD Ryzen ThreadRipper 3990X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket sTRX4 |
| Manufacturing Process | - | 7 nm |
| Thermal Design Power | 180 W | 280 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 3.0 | 4.0 |
| PCI Express Lanes Qty | 128 | 88 |
| Architecture Features | "Zen" Core Architecture | "Zen" Core Architecture, AMD Ryzen Master Utility |
| PERFORMANCE |
|---|
| Number of Cores | 32-core | 64-core |
|---|---|---|
| Number of Threads | 64 threads | 128 threads |
| Clock Speed (Frequency) | 2 GHz | 2.9 GHz |
| Max Turbo Speed | 3 GHz | 4.3 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L3 - 64 MB L2 - 16 MB |
L1 - 4 MB L2 - 32 MB L3 - 256 MB |
| MISCELLANEOUS | AMD EPYC 7551 | AMD Ryzen ThreadRipper 3990X |
|---|
| Included Accessories | Performance heatsink | - |
|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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