Intel Core Ultra 5 125H vs Intel Core Ultra 7 255H
55.1Single-core69.7
44.8Multi-core56.8
66.9Efficiencyspec-based75.7
70.2iGPU75.9
57.9Platformspec-based60.5
1 spec wins — Intel Core Ultra 5 125H14 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 55.2, pulling ahead mainly in single-core (+15) and multi-core (+12). Intel Core Ultra 5 125H 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 Ultra 5 125H
- 13% higher threads: 18 vs 16
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 55
- Stronger multi-core score: 57 vs 45
- Stronger iGPU score: 76 vs 70
- 67% higher Base clock: 2 GHz vs 1.2 GHz
- 57% lower process: 3 nm vs 7 nm
General
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2023 | 2025 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 28 W | 28 W |
| Max TDP | 115 W | 115 W |
Cores & Clocks
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 14 | 16+14% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 10 | 10 |
| Threads | 18+13% | 16 |
| Base clock | 1.2 GHz | 2 GHz+67% |
| Boost clock | 4.5 GHz | 5.1 GHz+13% |
| L3 cache | 18 MB | 24 MB+33% |
Integrated GPU
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel Arc Graphics (7 Xe) | Intel Arc 140T |
| iGPU clock | 2,200 MHz | 2,250 MHz |
Memory
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-5600 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 96 GB | 128 GB+33% |
Benchmarks
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,240Bottom 32% | 2,851+27%Top 29% |
| Geekbench 6 (multi) | 11,100Bottom 49% | 15,362+38%Top 23% |
| Cinebench R23 (single) | 1,650Bottom 45% | 2,055+25%Top 18% |
| Cinebench R23 (multi) | 13,500Top 46% | 18,624+38%Top 20% |
| PassMark | 19,976Top 50% | 30,782+54%Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 2,881Top 18% | 3,719+29%Top 7% |
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