AMD Ryzen 9 3900X vs Intel Core Ultra 7 265F
37.6Single-core—
54.2Multi-core77.9
78.3Gamingspec-based64.4
6 spec wins — AMD Ryzen 9 3900X11 spec wins — Intel Core Ultra 7 265F
InnoReviews verdict
No overall winner yet: Intel Core Ultra 7 265F 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
- 113% higher L3 cache: 64 MB vs 30 MB
- 58% higher Base clock: 3.8 GHz vs 2.4 GHz
- 50% higher Performance cores: 12 vs 8
- 20% higher threads: 24 vs 20
- Has Unlocked multiplier — the other doesn't
Reasons to pick the Intel Core Ultra 7 265F
- Stronger multi-core score: 78 vs 54
- 500% higher L2 cache: 36 MB vs 6 MB
- 100% higher Max memory: 256 GB vs 128 GB
- 67% higher cores: 20 vs 12
- 57% lower process: 3 nm vs 7 nm
- Lower launch price: $369 vs $499
General
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 7 265F |
|---|---|---|
| Announced | 2019 | 2025 |
| Socket | AM4 | LGA1851 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 105 W | 65 W+38% |
| Max turbo power | 142 W | 182 W+28% |
| Unlocked multiplier | Yes | No |
| Cooler included | Yes | No |
Cores & Clocks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 7 265F |
|---|---|---|
| Cores | 12 | 20+67% |
| Performance cores | 12+50% | 8 |
| Efficiency cores | 0 | 12 |
| Threads | 24+20% | 20 |
| Base clock | 3.8 GHz+58% | 2.4 GHz |
| Boost clock | 4.6 GHz | 5.3 GHz+15% |
| L2 cache | 6 MB | 36 MB+500% |
| L3 cache | 64 MB+113% | 30 MB |
Memory
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 7 265F |
|---|---|---|
| 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 7 265F |
|---|---|---|
| PCIe version | 4 | 5+25% |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 9 3900X | Intel Core Ultra 7 265F |
|---|---|---|
| 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% | 49,468+52%Top 19% |
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