AMD Ryzen 9 3900X vs Intel Core i5-13400
37.6Single-core62.5
54.2Multi-core49.3
78.3Gamingspec-based50.2
10 spec wins — AMD Ryzen 9 3900X9 spec wins — Intel Core i5-13400
InnoReviews verdict
AMD Ryzen 9 3900X wins this desktop processor face-off, 55.3 to 53.5, pulling ahead mainly in multi-core (+5). Intel Core i5-13400 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 9 3900X
- Stronger multi-core score: 54 vs 49
- 220% higher L3 cache: 64 MB vs 20 MB
- 100% higher Performance cores: 12 vs 6
- 52% higher Base clock: 3.8 GHz vs 2.5 GHz
- 50% higher threads: 24 vs 16
Reasons to pick the Intel Core i5-13400
- Stronger single-core score: 63 vs 38
- 58% higher L2 cache: 10 MB vs 6 MB
- 49% higher Geekbench 6 (single): 2,300 vs 1,540
- 38% lower Base TDP: 65 W vs 105 W
- 38% higher Cinebench R23 (single): 1,800 vs 1,300
- Lower launch price: $221 vs $499
General
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| Announced | 2019 | 2023 |
| Socket | AM4 | LGA1700 |
| Process | 7 nm+30% | 10 nm |
| Base TDP | 105 W | 65 W+38% |
| Max turbo power | 142 W | 148 W+4% |
| Unlocked multiplier | Yes | No |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| Cores | 12+20% | 10 |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 4 |
| Threads | 24+50% | 16 |
| Base clock | 3.8 GHz+52% | 2.5 GHz |
| Boost clock | 4.6 GHz | 4.6 GHz |
| L2 cache | 6 MB | 10 MB+58% |
| L3 cache | 64 MB+220% | 20 MB |
Integrated GPU
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| iGPU | — | Intel UHD Graphics 730 |
| iGPU clock | — | 1,550 MHz |
Memory
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-4800 / DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24+20% | 20 |
Benchmarks
| Spec | AMD Ryzen 9 3900X | Intel Core i5-13400 |
|---|---|---|
| Geekbench 6 (single) | 1,540Bottom 32% | 2,300+49%Top 43% |
| Geekbench 6 (multi) | 11,000Top 47% | 11,300+3%Top 44% |
| Cinebench R23 (single) | 1,300Bottom 33% | 1,800+38%Top 41% |
| Cinebench R23 (multi) | 18,300+16%Top 32% | 15,800Top 42% |
| PassMark | 32,600+27%Top 37% | 25,600Bottom 49% |
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