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AMD Ryzen 9 5950X vs AMD Ryzen 9 9900X3D: Comparison
AMD Ryzen 9 5950X and AMD Ryzen 9 9900X3D separate most on l3 cache: AMD Ryzen 9 5950X at 64 MB, AMD Ryzen 9 9900X3D at 128 MB, 50% in favour of AMD Ryzen 9 9900X3D. L2 Cache splits them by another 33%, again favouring AMD Ryzen 9 9900X3D. They match on 10 other specifications, including form factor, market segment and efficiency cores.
Specs
| Specification |  |  |
|---|---|---|
| Form Factor | Desktop | Desktop |
| Codename | Vermeer | Granite Ridge |
| Release Year | 2020 | 2024 |
| TDP | 105 W | 120 W |
| iGPU | None (CPU only) | AMD Radeon Graphics (2 CUs, RDNA 2) |
| Market Segment | Desktop | Desktop |
| Socket | AM4 | AM5 (LGA 1718) |
| Socket Status | End of Life | Current |
| Process Node | 7 nm | 4 nm |
| Performance Cores | 16 | 12 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | true | true |
| P-Core Base Clock | 3.4 | 4.4 |
| P-Core Boost Clock | 4.9 | 5.5 |
| Unlocked Multiplier | true | true |
| L2 Cache | 8 MB-33% | 12 MB |
| L3 Cache | 64 MB-50% | 128 MB |
| 3D Stacked Cache | false | true |
| Base Power | 105 W | 120 W |
| Max Turbo Power | 142 | 162 |
| Memory Type | DDR4 | DDR5 |
| Max Memory Speed | 3200 | 5600 |
| Memory Channels | 2 | 2 |
| Max Memory Capacity | 128 | 256 |
| ECC Support | true | true |
| Integrated Graphics | No | Yes |
| Copilot Plus Certified | false | false |
| PCIe Generation | PCIe 4.0 | PCIe 5.0 |
| PCIe Lanes | 24 | 24 |
| Launch MSRP | 799 | 599 |
| Retail Availability | Boxed Retail | Boxed Retail |
| Architecture | Zen 3, Ryzen 5000 Series | Zen 5 (9000 series) |
| Cores | 16 | 12 |
| Threads | 32 | 24 |
Verdict
AMD Ryzen 9 9900X3D
9.2 / 10 Expert Rating
The AMD Ryzen 9 9900X3D is one of the best gaming CPUs available, its huge L3 cache translating directly into higher in-game frame rates.