Intel Core i9-14900HX vs Intel Core Ultra 7 255H
73Single-core69.7
71.7Multi-core56.8
28.9Efficiencyspec-based75.7
40.2iGPU75.9
78Platformspec-based60.5
14 spec wins — Intel Core i9-14900HX4 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 63.4, pulling ahead mainly in iGPU (+36). Intel Core i9-14900HX still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the Intel Core i9-14900HX
- Stronger single-core score: 73 vs 70
- Stronger multi-core score: 72 vs 57
- 100% higher threads: 32 vs 16
- 62% higher Cinebench R23 (multi): 30,200 vs 18,624
- 60% higher Efficiency cores: 16 vs 10
Reasons to pick the Intel Core Ultra 7 255H
- Stronger iGPU score: 76 vs 40
- 400% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 744
- 70% lower process: 3 nm vs 10 nm
- 49% lower Base TDP: 28 W vs 55 W
General
| Spec | Intel Core i9-14900HX | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2024 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 157 W+37% | 115 W |
Cores & Clocks
| Spec | Intel Core i9-14900HX | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 24+50% | 16 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 16+60% | 10 |
| Threads | 32+100% | 16 |
| Base clock | 2.2 GHz+10% | 2 GHz |
| Boost clock | 5.8 GHz+14% | 5.1 GHz |
| L3 cache | 36 MB+50% | 24 MB |
Integrated GPU
| Spec | Intel Core i9-14900HX | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel UHD Graphics | Intel Arc 140T |
| iGPU clock | 1,650 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i9-14900HX | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-5600 / DDR4-3200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 192 GB+50% | 128 GB |
Benchmarks
| Spec | Intel Core i9-14900HX | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,920+2%Top 22% | 2,851Top 29% |
| Geekbench 6 (multi) | 18,100+18%Top 14% | 15,362Top 23% |
| Cinebench R23 (single) | 2,190+7%Top 9% | 2,055Top 18% |
| Cinebench R23 (multi) | 30,200+62%Top 8% | 18,624Top 20% |
| PassMark | 43,593+42%Top 12% | 30,782Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 744Bottom 27% | 3,719+400%Top 7% |
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