AMD Ryzen 9 3900XT vs Intel Core i5-12600KF
38.7Single-core66.5
56.5Multi-core52.5
79Gamingspec-based52.1
7 spec wins — AMD Ryzen 9 3900XT5 spec wins — Intel Core i5-12600KF
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 3900XT scores 56.8 against 56.6 for Intel Core i5-12600KF. Pick by the categories that matter to you — AMD Ryzen 9 3900XT edges ahead in multi-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 3900XT
- Stronger multi-core score: 57 vs 53
- 220% higher L3 cache: 64 MB vs 20 MB
- 50% higher threads: 24 vs 16
- 30% lower process: 7 nm vs 10 nm
- 20% higher cores: 12 vs 10
Reasons to pick the Intel Core i5-12600KF
- Stronger single-core score: 67 vs 39
- 58% higher L2 cache: 10 MB vs 6 MB
- 43% higher PassMark (single thread): 3,916 vs 2,742
- 25% higher PCIe version: 5 vs 4
- Lower launch price: $264 vs $499
General
| Spec | AMD Ryzen 9 3900XT | Intel Core i5-12600KF |
|---|---|---|
| Announced | 2020 | 2021 |
| Socket | AM4 | LGA1700 |
| Process | 7 nm+30% | 10 nm |
| Base TDP | 105 W+16% | 125 W |
| Max turbo power | — | 150 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 3900XT | Intel Core i5-12600KF |
|---|---|---|
| Cores | 12+20% | 10 |
| Performance cores | — | 6 |
| Efficiency cores | — | 4 |
| Threads | 24+50% | 16 |
| Base clock | 3.8 GHz+3% | 3.7 GHz |
| Boost clock | 4.7 GHz | 4.9 GHz+4% |
| L2 cache | 6 MB | 10 MB+58% |
| L3 cache | 64 MB+220% | 20 MB |
Memory
| Spec | AMD Ryzen 9 3900XT | Intel Core i5-12600KF |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-4800 / DDR4-3200 |
| Max memory | — | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3900XT | Intel Core i5-12600KF |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | — | 20 |
Benchmarks
| Spec | AMD Ryzen 9 3900XT | Intel Core i5-12600KF |
|---|---|---|
| Geekbench 6 (single) | — | 2,400Top 41% |
| Geekbench 6 (multi) | — | 12,500Top 41% |
| Cinebench R23 (single) | — | 1,900Top 34% |
| Cinebench R23 (multi) | — | 17,300Top 38% |
| PassMark | 32,456+18%Top 32% | 27,503Top 39% |
| PassMark (single thread) | 2,742Bottom 33% | 3,916+43%Top 33% |
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