In depth comparison and review of AMD Ryzen 7 3800XT and AMD EPYC 7643 (3rd Gen). 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 7 3800XT | AMD EPYC 7643 (3rd Gen) |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 7 3800XT | AMD EPYC 7643 (3rd Gen) |
|---|
| Type | AMD Ryzen 7 3800XT | AMD EPYC 7643 (3rd Gen) |
|---|
| 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 | "Zen" Core Architecture, AMD Ryzen Master Utility, AMD StoreMI Technology | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 8-core | 48-core |
|---|---|---|
| Number of Threads | 16 threads | 96 threads |
| Clock Speed (Frequency) | 3.9 GHz | 2.3 GHz |
| Max Turbo Speed | 4.7 GHz | 3.6 GHz |
| CACHE MEMORY |
|---|
| Cache | - | 256 MB |
|---|---|---|
| Cache Memory Details | L2 - 4 MB L3 - 32 MB |
L3 - 256 MB |
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