AMD Ryzen 7 5700X3D vs AMD Ryzen 9 3900X
43Single-core37.6
46Multi-core54.2
85Gaming78.3
4 spec wins — AMD Ryzen 7 5700X3D11 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 5700X3D scores 54.9 against 55.3 for AMD Ryzen 9 3900X. Pick by the categories that matter to you — AMD Ryzen 9 3900X edges ahead in Multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 5700X3D
- Stronger Single-core score: 43 vs 38
- Stronger gaming score: 85 vs 78
- 50% higher L3 cache: 96 MB vs 64 MB
- 16% higher Geekbench 6 (single): 1,780 vs 1,540
- Lower launch price: $249 vs $499
Reasons to pick the AMD Ryzen 9 3900X
- Stronger Multi-core score: 54 vs 46
- 50% higher cores: 12 vs 8
- 50% higher Performance cores: 12 vs 8
- 50% higher threads: 24 vs 16
- 50% higher L2 cache: 6 MB vs 4 MB
General
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2024 | 2019 |
| Socket | AM4 | AM4 |
| Process | 7 nm | 7 nm |
| Base TDP | 105 W | 105 W |
| Max turbo power | 142 W | 142 W |
| Unlocked multiplier | No | Yes |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | 12+50% |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 24+50% |
| Base clock | 3 GHz | 3.8 GHz+27% |
| Boost clock | 4.1 GHz | 4.6 GHz+12% |
| L2 cache | 4 MB | 6 MB+50% |
| L3 cache | 96 MB+50% | 64 MB |
Memory
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Geekbench 6 (single) | 1,780+16% | 1,540 |
| Geekbench 6 (multi) | 9,900 | 11,000+11% |
| Cinebench R23 (single) | 1,350+4% | 1,300 |
| Cinebench R23 (multi) | 13,100 | 18,300+40% |
| PassMark | 26,300 | 32,600+24% |
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