AMD Ryzen 9 3950X vs AMD Ryzen 9 9950X3D
38.6Single-core93.2
64.6Multi-core98.7
79Gamingspec-based95
1 spec wins — AMD Ryzen 9 3950X15 spec wins — AMD Ryzen 9 9950X3D
InnoReviews verdict
AMD Ryzen 9 9950X3D wins this desktop processor face-off, 96.1 to 60.4, pulling ahead mainly in single-core (+55) and multi-core (+34). AMD Ryzen 9 3950X still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 3950X
- 38% lower Base TDP: 105 W vs 170 W
Reasons to pick the AMD Ryzen 9 9950X3D
- Stronger single-core score: 93 vs 39
- Stronger multi-core score: 99 vs 65
- 119% higher Geekbench 6 (single): 3,434 vs 1,570
- 100% higher L2 cache: 16 MB vs 8 MB
- 100% higher L3 cache: 128 MB vs 64 MB
General
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| Announced | 2019 | 2025 |
| Socket | AM4 | AM5 |
| Process | 7 nm | 4 nm+43% |
| Base TDP | 105 W+38% | 170 W |
| Max turbo power | 142 W | 230 W+62% |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16 | 16 |
| Efficiency cores | 0 | 0 |
| Threads | 32 | 32 |
| Base clock | 3.5 GHz | 4.3 GHz+23% |
| Boost clock | 4.7 GHz | 5.7 GHz+21% |
| L2 cache | 8 MB | 16 MB+100% |
| L3 cache | 64 MB | 128 MB+100% |
Integrated GPU
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| iGPU | — | AMD Radeon Graphics (2 CU RDNA 2) |
| iGPU clock | — | 2,200 MHz |
Memory
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-5600 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24 | 28+17% |
Benchmarks
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D |
|---|---|---|
| Geekbench 6 (single) | 1,570Bottom 37% | 3,434+119%Top 1% |
| Geekbench 6 (multi) | 13,300Top 39% | 22,405+68%Top 4% |
| Cinebench R23 (single) | 1,320Bottom 36% | 2,259+71%Top 8% |
| Cinebench R23 (multi) | 24,700Top 22% | 42,018+70%Top 4% |
| PassMark | 39,000Top 27% | 70,094+80%Top 2% |
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