AMD Ryzen 9 3900X vs Intel Core Ultra 5 245
37.6Single-core—
54.2Multi-core64.8
78.3Gamingspec-based57.8
6 spec wins — AMD Ryzen 9 3900X10 spec wins — Intel Core Ultra 5 245
InnoReviews verdict
No overall winner yet: Intel Core Ultra 5 245 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 9 3900X
- 167% higher L3 cache: 64 MB vs 24 MB
- 100% higher Performance cores: 12 vs 6
- 71% higher threads: 24 vs 14
- 17% higher Max turbo power: 142 W vs 121 W
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core Ultra 5 245
- Stronger multi-core score: 65 vs 54
- 333% higher L2 cache: 26 MB vs 6 MB
- 100% higher Max memory: 256 GB vs 128 GB
- 57% lower process: 3 nm vs 7 nm
- 38% lower Base TDP: 65 W vs 105 W
- Lower launch price: $270 vs $499
General
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| Announced | 2019 | 2025 |
| Socket | AM4 | LGA1851 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 105 W | 65 W+38% |
| Max turbo power | 142 W+17% | 121 W |
| Unlocked multiplier | Yes | No |
| Cooler included | Yes | Yes |
Cores & Clocks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| Cores | 12 | 14+17% |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 8 |
| Threads | 24+71% | 14 |
| Base clock | 3.8 GHz+9% | 3.5 GHz |
| Boost clock | 4.6 GHz | 5.1 GHz+11% |
| L2 cache | 6 MB | 26 MB+333% |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| iGPU | — | Intel Graphics |
| iGPU clock | — | 1,900 MHz |
Memory
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 245 |
|---|---|---|
| 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 | 32,600Top 37% | 39,027+20%Top 26% |
Related comparisons
AMD Ryzen 9 3900Xvs Intel Core i5-12600KVSAMD Ryzen 9 3900Xvs AMD Ryzen 7 5700X3DVSAMD Ryzen 9 3900Xvs AMD Ryzen 7 8700GVSAMD Ryzen 9 3900Xvs AMD Ryzen 7 5800XVSIntel Core Ultra 5 245vs Intel Core Ultra 5 235VSIntel Core Ultra 5 245vs Intel Core i5-14500VSIntel Core Ultra 5 245vs Intel Core Ultra 5 245KFVSIntel Core Ultra 5 245vs Intel Core Ultra 5 245KVS