AMD Ryzen 9 7945HX3D vs Intel Core Ultra 7 255H
68.3Single-core69.7
76.1Multi-core56.8
40Efficiencyspec-based75.7
32iGPU75.9
80.7Platformspec-based60.5
9 spec wins — AMD Ryzen 9 7945HX3D9 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
This one is close to a dead heat: AMD Ryzen 9 7945HX3D scores 65 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 and single-core, or by price.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 9 7945HX3D
- Stronger multi-core score: 76 vs 57
- 433% higher L3 cache: 128 MB vs 24 MB
- 167% higher Performance cores: 16 vs 6
- 100% higher threads: 32 vs 16
- 87% higher PassMark: 57,507 vs 30,782
Reasons to pick the Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 32
- 622% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 515
- 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 7945HX3D | 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 7945HX3D | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 16 | 16 |
| Performance cores | 16+167% | 6 |
| Efficiency cores | 0 | 10 |
| Threads | 32+100% | 16 |
| Base clock | 2.3 GHz+15% | 2 GHz |
| Boost clock | 5.4 GHz+6% | 5.1 GHz |
| L3 cache | 128 MB+433% | 24 MB |
Integrated GPU
| Spec | AMD Ryzen 9 7945HX3D | 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 7945HX3D | 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 7945HX3D | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,916+2%Top 17% | 2,851Top 25% |
| Geekbench 6 (multi) | 16,957+10%Top 12% | 15,362Top 19% |
| Cinebench R23 (single) | 1,935Top 27% | 2,055+6%Top 13% |
| Cinebench R23 (multi) | 32,782+76%Top 5% | 18,624Top 24% |
| PassMark | 57,507+87%Top 2% | 30,782Top 25% |
| PassMark (single thread) | 4,067Top 20% | 4,310+6%Top 12% |
| 3DMark Time Spy Graphics (iGPU) | 515Bottom 9% | 3,719+622%Top 9% |
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