Intel Core Ultra 7 255H vs Intel Core Ultra 7 255HX
69.7Single-core72.8
56.8Multi-core73.8
75.7Efficiencyspec-based44.4
75.9iGPU—
60.5Platformspec-based69.6
1 spec wins — Intel Core Ultra 7 255H14 spec wins — Intel Core Ultra 7 255HX
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 65.3, pulling ahead mainly in multi-core (+17) and single-core (+3). Intel Core Ultra 7 255H 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 7 255H
- 49% lower Base TDP: 28 W vs 55 W
Reasons to pick the Intel Core Ultra 7 255HX
- Stronger single-core score: 73 vs 70
- Stronger multi-core score: 74 vs 57
- 100% higher Max memory: 256 GB vs 128 GB
- 71% higher Cinebench R23 (multi): 31,781 vs 18,624
- 56% higher PassMark: 47,933 vs 30,782
General
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 255HX |
|---|---|---|
| Announced | 2025 | 2025 |
| Process | 3 nm | 3 nm |
| Base TDP | 28 W+49% | 55 W |
| Max TDP | 115 W | 160 W+39% |
Cores & Clocks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 255HX |
|---|---|---|
| Cores | 16 | 20+25% |
| Performance cores | 6 | 8+33% |
| Efficiency cores | 10 | 12+20% |
| Threads | 16 | 20+25% |
| Base clock | 2 GHz | 2.4 GHz+20% |
| Boost clock | 5.1 GHz | 5.2 GHz+2% |
| L3 cache | 24 MB | 30 MB+25% |
Integrated GPU
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 255HX |
|---|---|---|
| iGPU | Intel Arc 140T | Intel Graphics (4 Xe-cores) |
| iGPU clock | 2,250 MHz | 1,850 MHz |
Memory
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 255HX |
|---|---|---|
| Memory support | LPDDR5X-8400 / DDR5-6400 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
Benchmarks
| Spec | Intel Core Ultra 7 255H | Intel Core Ultra 7 255HX |
|---|---|---|
| Geekbench 6 (single) | 2,851Top 25% | 2,959+4%Top 17% |
| Geekbench 6 (multi) | 15,362Top 20% | 17,915+17%Top 12% |
| Cinebench R23 (single) | 2,055Top 17% | 2,154+5%Top 10% |
| Cinebench R23 (multi) | 18,624Top 20% | 31,781+71%Top 6% |
| PassMark | 30,782Top 21% | 47,933+56%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 3,719Top 7% | — |
Related comparisons
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