AMD Ryzen 5 7400F vs AMD Ryzen 9 3900X
—Single-core37.6
48Multi-core54.2
62.2Gamingspec-based78.3
5 spec wins — AMD Ryzen 5 7400F5 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
No overall winner yet: AMD Ryzen 5 7400F lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 5 7400F
- 38% lower Base TDP: 65 W vs 105 W
- 29% lower process: 5 nm vs 7 nm
- 25% higher PCIe version: 5 vs 4
Reasons to pick the AMD Ryzen 9 3900X
- Stronger multi-core score: 54 vs 48
- 100% higher cores: 12 vs 6
- 100% higher threads: 24 vs 12
- 100% higher L3 cache: 64 MB vs 32 MB
- 27% higher PassMark: 32,600 vs 25,632
General
| Spec | AMD Ryzen 5 7400F | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2025 | 2019 |
| Socket | AM5 | AM4 |
| Process | 5 nm+29% | 7 nm |
| Base TDP | 65 W+38% | 105 W |
| Max turbo power | — | 142 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 5 7400F | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 6 | 12+100% |
| Performance cores | — | 12 |
| Efficiency cores | — | 0 |
| Threads | 12 | 24+100% |
| Base clock | 3.7 GHz | 3.8 GHz+3% |
| Boost clock | 4.7 GHz+2% | 4.6 GHz |
| L2 cache | 6 MB | 6 MB |
| L3 cache | 32 MB | 64 MB+100% |
Memory
| Spec | AMD Ryzen 5 7400F | AMD Ryzen 9 3900X |
|---|---|---|
| Memory support | DDR5-5200 | DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 5 7400F | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 5+25% | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 5 7400F | AMD Ryzen 9 3900X |
|---|---|---|
| Geekbench 6 (single) | — | 1,540Bottom 33% |
| Geekbench 6 (multi) | — | 11,000Top 46% |
| Cinebench R23 (single) | — | 1,300Bottom 34% |
| Cinebench R23 (multi) | — | 18,300Top 31% |
| PassMark | 25,632Bottom 50% | 32,600+27%Top 37% |
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