Side by side comparison and review of AMD EPYC 7702 and AMD Ryzen 9 3900. 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 7702 | AMD Ryzen 9 3900 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD EPYC 7702 | AMD Ryzen 9 3900 |
|---|
| Type | AMD EPYC 7702 | AMD Ryzen 9 3900 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket SP3 | Socket AM4 |
| Manufacturing Process | - | 7 nm |
| Thermal Design Power | 200 W | 65 W |
| Thermal Specification | - | 95 °C |
| PCI Express Revision | 4.0 | 4.0 |
| PCI Express Lanes Qty | 128 | - |
| Architecture Features | AMD Infinity Architecture | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled |
| PERFORMANCE |
|---|
| Number of Cores | 64-core | 12-core |
|---|---|---|
| Number of Threads | 128 threads | 24 threads |
| Clock Speed (Frequency) | 2 GHz | 3.1 GHz |
| Max Turbo Speed | 3.35 GHz | 4.3 GHz |
| CACHE MEMORY |
|---|
| Cache | 256 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L3 - 256 MB | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
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