AMD Ryzen 9 3900X vs Intel Core Ultra 5 250K Plus
37.6Single-core88.7
54.2Multi-core81.6
78.3Gamingspec-based64.4
5 spec wins — AMD Ryzen 9 3900X15 spec wins — Intel Core Ultra 5 250K Plus
InnoReviews verdict
Intel Core Ultra 5 250K Plus wins this desktop processor face-off, 79.4 to 55.3, pulling ahead mainly in single-core (+51) and multi-core (+27). 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 9 3900X
- 113% higher L3 cache: 64 MB vs 30 MB
- 100% higher Performance cores: 12 vs 6
- 33% higher threads: 24 vs 18
- 16% lower Base TDP: 105 W vs 125 W
- Has Cooler included — the other doesn't
Reasons to pick the Intel Core Ultra 5 250K Plus
- Stronger single-core score: 89 vs 38
- Stronger multi-core score: 82 vs 54
- 400% higher L2 cache: 30 MB vs 6 MB
- 107% higher Geekbench 6 (single): 3,182 vs 1,540
- 100% higher Max memory: 256 GB vs 128 GB
- Lower launch price: $219 vs $499
General
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| Announced | 2019 | 2026 |
| Socket | AM4 | LGA1851 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 105 W+16% | 125 W |
| Max turbo power | 142 W | 159 W+12% |
| Unlocked multiplier | Yes | Yes |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| Cores | 12 | 18+50% |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 12 |
| Threads | 24+33% | 18 |
| Base clock | 3.8 GHz | 4.2 GHz+11% |
| Boost clock | 4.6 GHz | 5.3 GHz+15% |
| L2 cache | 6 MB | 30 MB+400% |
| L3 cache | 64 MB+113% | 30 MB |
Integrated GPU
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| iGPU | — | Intel Graphics |
| iGPU clock | — | 1,900 MHz |
Memory
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-7200 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 250K Plus |
|---|---|---|
| Geekbench 6 (single) | 1,540Bottom 33% | 3,182+107%Top 10% |
| Geekbench 6 (multi) | 11,000Top 46% | 20,692+88%Top 9% |
| Cinebench R23 (single) | 1,300Bottom 34% | 2,261+74%Top 7% |
| Cinebench R23 (multi) | 18,300Top 31% | 30,867+69%Top 15% |
| PassMark | 32,600Top 37% | 51,560+58%Top 16% |
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