Side by side comparison and review of AMD Ryzen 9 3900XT and AMD EPYC 7663. 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 Ryzen 9 3900XT | AMD EPYC 7663 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 3900XT | AMD EPYC 7663 |
|---|
| Type | AMD Ryzen 9 3900XT | AMD EPYC 7663 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | - |
| Manufacturing Process | 7 nm | - |
| Thermal Design Power | 105 W | 240 W |
| PCI Express Revision | 4.0 | - |
| Architecture Features | AMD Ryzen Master Utility, AMD StoreMI Technology, "Zen 2" Core Architecture | - |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 56-core |
|---|---|---|
| Number of Threads | 24 threads | - |
| Clock Speed (Frequency) | 3.8 GHz | 2 GHz |
| Max Turbo Speed | 4.7 GHz | - |
| CACHE MEMORY |
|---|
| Cache | 64 MB | - |
|---|---|---|
| Cache Memory Details | L2 - 6 MB L3 - 64 MB |
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