AMD Ryzen 9 7940HX vs Intel Core Ultra 7 251HX
64Single-core66.6
71.4Multi-core65.1
40Efficiencyspec-based44.4
75.4Platformspec-based68.1
7 spec wins — AMD Ryzen 9 7940HX9 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
AMD Ryzen 9 7940HX wins this laptop processor face-off, 64.8 to 62.6, pulling ahead mainly in multi-core (+6). Intel Core Ultra 7 251HX 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 7940HX
- Stronger multi-core score: 71 vs 65
- 167% higher Performance cores: 16 vs 6
- 113% higher L3 cache: 64 MB vs 30 MB
- 78% higher threads: 32 vs 18
- 13% higher Geekbench 6 (multi): 16,094 vs 14,233
Reasons to pick the Intel Core Ultra 7 251HX
- 300% higher Max memory: 256 GB vs 64 GB
- 113% higher Max TDP: 160 W vs 75 W
- 40% lower process: 3 nm vs 5 nm
- 21% higher Base clock: 2.9 GHz vs 2.4 GHz
- 13% higher cores: 18 vs 16
General
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2024 | 2026 |
| Process | 5 nm | 3 nm+40% |
| Base TDP | 55 W | 55 W |
| Max TDP | 75 W | 160 W+113% |
Cores & Clocks
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 16 | 18+13% |
| Performance cores | 16+167% | 6 |
| Efficiency cores | 0 | 12 |
| Threads | 32+78% | 18 |
| Base clock | 2.4 GHz | 2.9 GHz+21% |
| Boost clock | 5.2 GHz+2% | 5.1 GHz |
| L3 cache | 64 MB+113% | 30 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Graphics (3 Xe) |
| iGPU clock | 2,200 MHz | 1,800 MHz |
Memory
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | DDR5-5200 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,751Top 33% | 2,762Top 30% |
| Geekbench 6 (multi) | 16,094+13%Top 19% | 14,233Top 28% |
| Cinebench R23 (single) | 1,807Top 39% | 1,941+7%Top 26% |
| Cinebench R23 (multi) | 29,400+13%Top 8% | 26,001Top 12% |
| PassMark | 52,889+12%Top 7% | 47,051Top 8% |
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