AMD Ryzen 7 5700X3D vs AMD Ryzen 9 3900
43Single-core43.1
46Multi-core50.6
85Gamingspec-based76.5
5 spec wins — AMD Ryzen 7 5700X3D8 spec wins — AMD Ryzen 9 3900
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 7 5700X3D scores 54.9 against 54.8 for AMD Ryzen 9 3900. Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 7 5700X3D
- 50% higher L3 cache: 96 MB vs 64 MB
- 14% higher PassMark (single thread): 2,969 vs 2,605
Reasons to pick the AMD Ryzen 9 3900
- Stronger multi-core score: 51 vs 46
- 50% higher cores: 12 vs 8
- 50% higher threads: 24 vs 16
- 50% higher L2 cache: 6 MB vs 4 MB
- 38% lower Base TDP: 65 W vs 105 W
General
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900 |
|---|---|---|
| Announced | 2024 | 2019 |
| Socket | AM4 | AM4 |
| Process | 7 nm | 7 nm |
| Base TDP | 105 W | 65 W+38% |
| Max turbo power | 142 W | — |
| Unlocked multiplier | No | Yes |
| Cooler included | No | — |
Cores & Clocks
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900 |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | — |
| Efficiency cores | 0 | — |
| Threads | 16 | 24+50% |
| Base clock | 3 GHz | 3.1 GHz+3% |
| Boost clock | 4.1 GHz | 4.3 GHz+5% |
| L2 cache | 4 MB | 6 MB+50% |
| L3 cache | 96 MB+50% | 64 MB |
Memory
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900 |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-3200 |
| Max memory | 128 GB | — |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900 |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24 | — |
Benchmarks
| Spec | AMD Ryzen 7 5700X3D | AMD Ryzen 9 3900 |
|---|---|---|
| Geekbench 6 (single) | 1,780+3%Bottom 45% | 1,735Bottom 43% |
| Geekbench 6 (multi) | 9,900+4%Top 50% | 9,504Bottom 50% |
| Cinebench R23 (single) | 1,350Bottom 36% | — |
| Cinebench R23 (multi) | 13,100Bottom 46% | — |
| PassMark | 26,307Top 42% | 30,545+16%Top 35% |
| PassMark (single thread) | 2,969+14%Bottom 39% | 2,605Bottom 24% |
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