AMD Ryzen 9 3900X vs Intel Core Ultra 5 225
37.6Single-core—
54.2Multi-core53.9
78.3Gamingspec-based52.1
8 spec wins — AMD Ryzen 9 3900X8 spec wins — Intel Core Ultra 5 225
InnoReviews verdict
No overall winner yet: Intel Core Ultra 5 225 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
- 220% higher L3 cache: 64 MB vs 20 MB
- 140% higher threads: 24 vs 10
- 100% higher Performance cores: 12 vs 6
- 20% higher cores: 12 vs 10
- 17% higher Max turbo power: 142 W vs 121 W
Reasons to pick the Intel Core Ultra 5 225
- 267% higher L2 cache: 22 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
- 25% higher PCIe version: 5 vs 4
- Lower launch price: $183 vs $499
General
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 225 |
|---|---|---|
| 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 5 225 |
|---|---|---|
| Cores | 12+20% | 10 |
| Performance cores | 12+100% | 6 |
| Efficiency cores | 0 | 4 |
| Threads | 24+140% | 10 |
| Base clock | 3.8 GHz+15% | 3.3 GHz |
| Boost clock | 4.6 GHz | 4.9 GHz+7% |
| L2 cache | 6 MB | 22 MB+267% |
| L3 cache | 64 MB+220% | 20 MB |
Integrated GPU
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 225 |
|---|---|---|
| iGPU | — | Intel Graphics |
| iGPU clock | — | 1,800 MHz |
Memory
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 225 |
|---|---|---|
| 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 5 225 |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 5 225 |
|---|---|---|
| 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 | 32,600+7%Top 37% | 30,359Top 39% |
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