AMD Ryzen 9 7945HX vs Intel Core Ultra 7 255H
69.9Single-core69.7
76.1Multi-core56.8
40Efficiencyspec-based75.7
32.6iGPU75.9
75.4Platformspec-based60.5
9 spec wins — AMD Ryzen 9 7945HX7 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 7945HX scores 64.7 against 65.3 for Intel Core Ultra 7 255H. Pick by the categories that matter to you — Intel Core Ultra 7 255H edges ahead in iGPU, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 7945HX
- Stronger multi-core score: 76 vs 57
- 167% higher Performance cores: 16 vs 6
- 167% higher L3 cache: 64 MB vs 24 MB
- 100% higher threads: 32 vs 16
- 83% higher Cinebench R23 (multi): 34,100 vs 18,624
Reasons to pick the Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 33
- 604% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 528
- 100% higher Max memory: 128 GB vs 64 GB
- 53% higher Max TDP: 115 W vs 75 W
- 49% lower Base TDP: 28 W vs 55 W
General
| Spec | AMD Ryzen 9 7945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 5 nm | 3 nm+40% |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 75 W | 115 W+53% |
Cores & Clocks
| Spec | AMD Ryzen 9 7945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+167% | 6 |
| Efficiency cores | — | 10 |
| Threads | 32+100% | 16 |
| Base clock | 2.5 GHz+25% | 2 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 64 MB+167% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7945HX | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | AMD Radeon 610M | Intel Arc 140T |
| iGPU clock | 2,200 MHz | 2,250 MHz |
Memory
| Spec | AMD Ryzen 9 7945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-5200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | AMD Ryzen 9 7945HX | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,900+2%Top 24% | 2,851Top 29% |
| Geekbench 6 (multi) | 17,200+12%Top 18% | 15,362Top 23% |
| Cinebench R23 (single) | 2,030Top 21% | 2,055+1%Top 18% |
| Cinebench R23 (multi) | 34,100+83%Top 7% | 18,624Top 20% |
| PassMark | 53,778+75%Top 7% | 30,782Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 528Bottom 20% | 3,719+604%Top 7% |
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