In depth comparison and review of AMD Ryzen 9 3900 and AMD Ryzen 9 7950X. 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 3900 | AMD Ryzen 9 7950X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Ryzen 9 3900 | AMD Ryzen 9 7950X |
|---|
| Type | AMD Ryzen 9 3900 | AMD Ryzen 9 7950X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | Socket AM4 | Socket AM5 |
| Manufacturing Process | 7 nm | 5 nm |
| Thermal Design Power | 65 W | 170 W |
| Thermal Specification | 95 °C | 95 °C |
| PCI Express Revision | 4.0 | - |
| Architecture Features | AMD GuardMI Technology, AMD Memory Guard, DASH 1.2 enabled | AMD EXPO Technology, AMD RyzenTechnologies, "Zen 4" Core Architecture |
| PERFORMANCE |
|---|
| Number of Cores | 12-core | 16-core |
|---|---|---|
| Number of Threads | 24 threads | 32 threads |
| Clock Speed (Frequency) | 3.1 GHz | 4.5 GHz |
| Max Turbo Speed | 4.3 GHz | 5.7 GHz |
| CACHE MEMORY |
|---|
| Cache | 64 MB | 64 MB |
|---|---|---|
| Cache Memory Details | L1 - 768 KB L2 - 6 MB L3 - 64 MB |
L3 - 64 MB L2 - 16 MB L1 - 1 MB |
| INTEGRATED GRAPHICS (GPU) | AMD Ryzen 9 3900 | AMD Ryzen 9 7950X |
|---|
| Type | - | Radeon Graphics |
|---|---|---|
| Base Frequency | - | 400 MHz |
| Max Dynamic Frequency | - | 2.2 GHz |
| MISCELLANEOUS | AMD Ryzen 9 3900 | AMD Ryzen 9 7950X |
|---|
| Service & Support | - | Limited warranty - 2 years |
|---|
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