AMD Ryzen 9 7940HX vs Intel Core Ultra 7 255HX
64Single-core72.8
71.4Multi-core73.8
40Efficiencyspec-based44.4
75.4Platformspec-based69.6
4 spec wins — AMD Ryzen 9 7940HX10 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 64.8, pulling ahead mainly in single-core (+9) and multi-core (+2). AMD Ryzen 9 7940HX 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
- 113% higher L3 cache: 64 MB vs 30 MB
- 100% higher Performance cores: 16 vs 8
- 60% higher threads: 32 vs 20
- 10% higher PassMark: 52,889 vs 47,933
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 64
- 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
- 25% higher cores: 20 vs 16
General
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2024 | 2025 |
| 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 255HX |
|---|---|---|
| Cores | 16 | 20+25% |
| Performance cores | 16+100% | 8 |
| Efficiency cores | 0 | 12 |
| Threads | 32+60% | 20 |
| Base clock | 2.4 GHz | 2.4 GHz |
| Boost clock | 5.2 GHz | 5.2 GHz |
| L3 cache | 64 MB+113% | 30 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,200 MHz | 1,850 MHz |
Memory
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | DDR5-5200 | DDR5-6400 |
| Max memory | 64 GB | 256 GB+300% |
Benchmarks
| Spec | AMD Ryzen 9 7940HX | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | 2,751Top 33% | 2,959+8%Top 17% |
| Geekbench 6 (multi) | 16,094Top 19% | 17,915+11%Top 12% |
| Cinebench R23 (single) | 1,807Top 39% | 2,154+19%Top 10% |
| Cinebench R23 (multi) | 29,400Top 8% | 31,781+8%Top 6% |
| PassMark | 52,889+10%Top 7% | 47,933Top 8% |
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