In depth comparison and review of AMD Ryzen 9 3900XT and AMD EPYC 7543. 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 Ryzen 9 3900XT | AMD EPYC 7543 |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 3900XT | AMD EPYC 7543 |
|---|
| Type | AMD Ryzen 9 3900XT | AMD EPYC 7543 |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | Socket SP3 |
| Manufacturing Process | 7 nm | - |
| Thermal Design Power | 105 W | 225 W |
| PCI Express Revision | 4.0 | 4.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | AMD Ryzen Master Utility, AMD StoreMI Technology, "Zen 2" Core Architecture | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 32-core |
|---|---|---|
| Number of Threads | 24 threads | 64 threads |
| Clock Speed (Frequency) | 3.8 GHz | 2.8 GHz |
| Max Turbo Speed | 4.7 GHz | 3.7 GHz |
| Bus Speed | - | 3200 MHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 256 MB |
|---|---|---|
| Cache Memory Details | L2 - 6 MB L3 - 64 MB |
L3 - 256 MB |
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