AMD Ryzen 7 3700X vs AMD Ryzen 9 3900X
36.2Single-core37.6
42.3Multi-core54.2
60.3Gaming78.3
1 spec wins — AMD Ryzen 7 3700X13 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
AMD Ryzen 9 3900X wins this desktop processor face-off, 55.3 to 45, pulling ahead mainly in gaming (+18) and Multi-core (+12). AMD Ryzen 7 3700X 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 7 3700X
- 38% lower Base TDP: 65 W vs 105 W
- Lower launch price: $329 vs $499
Reasons to pick the AMD Ryzen 9 3900X
- Stronger Multi-core score: 54 vs 42
- Stronger gaming score: 78 vs 60
- 100% higher L3 cache: 64 MB vs 32 MB
- 61% higher Max turbo power: 142 W vs 88 W
- 51% higher Cinebench R23 (multi): 18,300 vs 12,100
General
| Spec | AMD Ryzen 7 3700X | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2019 | 2019 |
| Socket | AM4 | AM4 |
| Process | 7 nm | 7 nm |
| Base TDP | 65 W+38% | 105 W |
| Max turbo power | 88 W | 142 W+61% |
| Unlocked multiplier | Yes | Yes |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 7 3700X | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | 8 | 12+50% |
| Efficiency cores | 0 | 0 |
| Threads | 16 | 24+50% |
| Base clock | 3.6 GHz | 3.8 GHz+6% |
| Boost clock | 4.4 GHz | 4.6 GHz+5% |
| L2 cache | 4 MB | 6 MB+50% |
| L3 cache | 32 MB | 64 MB+100% |
Memory
| Spec | AMD Ryzen 7 3700X | 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 3700X | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 7 3700X | AMD Ryzen 9 3900X |
|---|---|---|
| Geekbench 6 (single) | 1,500Top 65% | 1,540+3%Top 63% |
| Geekbench 6 (multi) | 8,400Top 51% | 11,000+31%Top 35% |
| Cinebench R23 (single) | 1,270Top 63% | 1,300+2%Top 59% |
| Cinebench R23 (multi) | 12,100Top 46% | 18,300+51%Top 24% |
| PassMark | 22,700Top 42% | 32,600+44%Top 26% |
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