Side by side comparison and review of AMD Ryzen 9 3900 and AMD EPYC 7473X. 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 3900 | AMD EPYC 7473X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 3900 | AMD EPYC 7473X |
|---|
| Type | AMD Ryzen 9 3900 | AMD EPYC 7473X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | Socket SP3 |
| Manufacturing Process | 7 nm | - |
| Thermal Design Power | 65 W | 240 W |
| Thermal Specification | 95 °C | - |
| PCI Express Revision | 4.0 | 4.0 |
| PCI Express Lanes Qty | - | 128 |
| Architecture Features | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled | AMD Infinity Architecture, AMD Infinity Guard |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 24-core |
|---|---|---|
| Number of Threads | 24 threads | 48 threads |
| Clock Speed (Frequency) | 3.1 GHz | 2.8 GHz |
| Max Turbo Speed | 4.3 GHz | 3.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 768 MB |
|---|---|---|
| Cache Memory Details | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
L3 - 768 MB |
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