Intel Core Ultra 5 125H vs Intel Core Ultra 7 251HX
55.1Single-core66.6
44.8Multi-core65.1
66.9Efficiencyspec-based44.4
70.2iGPU—
57.9Platformspec-based68.1
1 spec wins — Intel Core Ultra 5 125H15 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 55.2, pulling ahead mainly in multi-core (+20) and single-core (+11). 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
- 49% lower Base TDP: 28 W vs 55 W
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger single-core score: 67 vs 55
- Stronger multi-core score: 65 vs 45
- 167% higher Max memory: 256 GB vs 96 GB
- 142% higher Base clock: 2.9 GHz vs 1.2 GHz
- 136% higher PassMark: 47,051 vs 19,976
General
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2023 | 2026 |
| Process | 7 nm | 3 nm+57% |
| Base TDP | 28 W+49% | 55 W |
| Max TDP | 115 W | 160 W+39% |
Cores & Clocks
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 14 | 18+29% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 10 | 12+20% |
| Threads | 18 | 18 |
| Base clock | 1.2 GHz | 2.9 GHz+142% |
| Boost clock | 4.5 GHz | 5.1 GHz+13% |
| L3 cache | 18 MB | 30 MB+67% |
Integrated GPU
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | Intel Arc Graphics (7 Xe) | Intel Graphics (3 Xe) |
| iGPU clock | 2,200 MHz | 1,800 MHz |
Memory
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | LPDDR5X-7467 / DDR5-5600 | DDR5-6400 |
| Max memory | 96 GB | 256 GB+167% |
Benchmarks
| Spec | Intel Core Ultra 5 125H | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,240Bottom 32% | 2,762+23%Top 33% |
| Geekbench 6 (multi) | 11,100Bottom 49% | 14,233+28%Top 30% |
| Cinebench R23 (single) | 1,650Bottom 45% | 1,941+18%Top 26% |
| Cinebench R23 (multi) | 13,500Top 46% | 26,001+93%Top 12% |
| PassMark | 19,976Top 50% | 47,051+136%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 2,881Top 18% | — |
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