Intel Core i7-1255U vs Intel Core Ultra 9 185H
52.8Single-core59.9
32.6Multi-core52.9
75.3Efficiencyspec-based47.1
55.7iGPU72.7
47.7Platformspec-based63.1
1 spec wins — Intel Core i7-1255U17 spec wins — Intel Core Ultra 9 185H
InnoReviews verdict
Intel Core Ultra 9 185H wins this laptop processor face-off, 57.3 to 48.6, pulling ahead mainly in multi-core (+20) and iGPU (+17). Intel Core i7-1255U 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 i7-1255U
- 67% lower Base TDP: 15 W vs 45 W
Reasons to pick the Intel Core Ultra 9 185H
- Stronger single-core score: 60 vs 53
- Stronger multi-core score: 53 vs 33
- Stronger iGPU score: 73 vs 56
- 200% higher Performance cores: 6 vs 2
- 154% higher Cinebench R23 (multi): 17,300 vs 6,800
General
| Spec | Intel Core i7-1255U | Intel Core Ultra 9 185H |
|---|---|---|
| Announced | 2022 | 2024 |
| Process | 10 nm | 7 nm+30% |
| Base TDP | 15 W+67% | 45 W |
| Max TDP | 55 W | 115 W+109% |
Cores & Clocks
| Spec | Intel Core i7-1255U | Intel Core Ultra 9 185H |
|---|---|---|
| Cores | 10 | 16+60% |
| Performance cores | 2 | 6+200% |
| Efficiency cores | 8 | 10+25% |
| Threads | 12 | 22+83% |
| Base clock | 1.7 GHz | 2.3 GHz+35% |
| Boost clock | 4.7 GHz | 5.1 GHz+9% |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i7-1255U | Intel Core Ultra 9 185H |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc Graphics (8 Xe) |
| iGPU clock | 1,250 MHz | 2,350 MHz |
Memory
| Spec | Intel Core i7-1255U | Intel Core Ultra 9 185H |
|---|---|---|
| Memory support | LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 64 GB | 96 GB+50% |
Benchmarks
| Spec | Intel Core i7-1255U | Intel Core Ultra 9 185H |
|---|---|---|
| Geekbench 6 (single) | 2,130Bottom 21% | 2,430+14%Bottom 43% |
| Geekbench 6 (multi) | 6,600Bottom 16% | 13,400+103%Top 33% |
| Cinebench R23 (single) | 1,600Bottom 35% | 1,790+12%Top 42% |
| Cinebench R23 (multi) | 6,800Bottom 19% | 17,300+154%Top 27% |
| PassMark | 12,941Bottom 23% | 28,947+124%Top 24% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 43% | 3,225+116%Top 13% |
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