AMD Ryzen 7 9700F vs AMD Ryzen 9 3900X
93.5Single-core37.6
65Multi-core54.2
67.2Gamingspec-based78.3
10 spec wins — AMD Ryzen 7 9700F4 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
AMD Ryzen 7 9700F wins this desktop processor face-off, 74.1 to 55.3, pulling ahead mainly in single-core (+56) and multi-core (+11). AMD Ryzen 9 3900X 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 9700F
- Stronger single-core score: 94 vs 38
- Stronger multi-core score: 65 vs 54
- 117% higher Geekbench 6 (single): 3,342 vs 1,540
- 100% higher Max memory: 256 GB vs 128 GB
- 46% higher Geekbench 6 (multi): 16,093 vs 11,000
Reasons to pick the AMD Ryzen 9 3900X
- 100% higher L3 cache: 64 MB vs 32 MB
- 50% higher cores: 12 vs 8
- 50% higher threads: 24 vs 16
- Has Cooler included — the other doesn't
General
| Spec | AMD Ryzen 7 9700F | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2025 | 2019 |
| Socket | AM5 | AM4 |
| Process | 4 nm+43% | 7 nm |
| Base TDP | 65 W+38% | 105 W |
| Max turbo power | — | 142 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | AMD Ryzen 7 9700F | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 8 | 12+50% |
| Performance cores | — | 12 |
| Efficiency cores | — | 0 |
| Threads | 16 | 24+50% |
| Base clock | 3.8 GHz | 3.8 GHz |
| Boost clock | 5.5 GHz+20% | 4.6 GHz |
| L2 cache | 8 MB+33% | 6 MB |
| L3 cache | 32 MB | 64 MB+100% |
Memory
| Spec | AMD Ryzen 7 9700F | AMD Ryzen 9 3900X |
|---|---|---|
| Memory support | DDR5-5600 | DDR4-3200 |
| Max memory | 256 GB+100% | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 7 9700F | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 5+25% | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 7 9700F | AMD Ryzen 9 3900X |
|---|---|---|
| Geekbench 6 (single) | 3,342+117%Top 3% | 1,540Bottom 33% |
| Geekbench 6 (multi) | 16,093+46%Top 26% | 11,000Top 46% |
| Cinebench R23 (single) | — | 1,300Bottom 34% |
| Cinebench R23 (multi) | — | 18,300Top 31% |
| PassMark | 36,396+12%Top 33% | 32,600Top 37% |
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