AMD Ryzen 9 3950X vs AMD Ryzen 9 5900X
38.6Single-core54.4
64.6Multi-core62.1
79Gaming79.6
5 spec wins — AMD Ryzen 9 3950X6 spec wins — AMD Ryzen 9 5900X
InnoReviews verdict
AMD Ryzen 9 5900X wins this desktop processor face-off, 64.1 to 60.4, pulling ahead mainly in Single-core (+16) and gaming (+1). 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
- 33% higher cores: 16 vs 12
- 33% higher Performance cores: 16 vs 12
- 33% higher threads: 32 vs 24
- 33% higher L2 cache: 8 MB vs 6 MB
- 14% higher Cinebench R23 (multi): 24,700 vs 21,700
Reasons to pick the AMD Ryzen 9 5900X
- Stronger Single-core score: 54 vs 39
- 34% higher Geekbench 6 (single): 2,100 vs 1,570
- 21% higher Cinebench R23 (single): 1,600 vs 1,320
- Lower launch price: $549 vs $749
General
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 5900X |
|---|---|---|
| Announced | 2019 | 2020 |
| Socket | AM4 | AM4 |
| Process | 7 nm | 7 nm |
| Base TDP | 105 W | 105 W |
| Max turbo power | 142 W | 142 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 5900X |
|---|---|---|
| Cores | 16+33% | 12 |
| Performance cores | 16+33% | 12 |
| Efficiency cores | 0 | 0 |
| Threads | 32+33% | 24 |
| Base clock | 3.5 GHz | 3.7 GHz+6% |
| Boost clock | 4.7 GHz | 4.8 GHz+2% |
| L2 cache | 8 MB+33% | 6 MB |
| L3 cache | 64 MB | 64 MB |
Memory
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 5900X |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 5900X |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 9 3950X | AMD Ryzen 9 5900X |
|---|---|---|
| Geekbench 6 (single) | 1,570 | 2,100+34% |
| Geekbench 6 (multi) | 13,300 | 13,500+2% |
| Cinebench R23 (single) | 1,320 | 1,600+21% |
| Cinebench R23 (multi) | 24,700+14% | 21,700 |
| PassMark | 39,000 | 39,000 |
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