Intel Core Ultra 7 255HX vs Intel Core Ultra 9 185H
72.8Single-core59.9
73.8Multi-core52.9
44.4Efficiencyspec-based47.1
—iGPU72.7
69.6Platformspec-based63.1
15 spec wins — Intel Core Ultra 7 255HX2 spec wins — Intel Core Ultra 9 185H
InnoReviews verdict
Intel Core Ultra 7 255HX wins this laptop processor face-off, 67.9 to 57.3, pulling ahead mainly in multi-core (+21) and single-core (+13). Intel Core Ultra 9 185H 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 255HX
- Stronger single-core score: 73 vs 60
- Stronger multi-core score: 74 vs 53
- 167% higher Max memory: 256 GB vs 96 GB
- 84% higher Cinebench R23 (multi): 31,781 vs 17,300
- 66% higher PassMark: 47,933 vs 28,947
Reasons to pick the Intel Core Ultra 9 185H
- 18% lower Base TDP: 45 W vs 55 W
- 10% higher threads: 22 vs 20
General
| Spec | Intel Core Ultra 7 255HX | Intel Core Ultra 9 185H |
|---|---|---|
| Announced | 2025 | 2024 |
| Process | 3 nm+57% | 7 nm |
| Base TDP | 55 W | 45 W+18% |
| Max TDP | 160 W+39% | 115 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 255HX | Intel Core Ultra 9 185H |
|---|---|---|
| Cores | 20+25% | 16 |
| Performance cores | 8+33% | 6 |
| Efficiency cores | 12+20% | 10 |
| Threads | 20 | 22+10% |
| Base clock | 2.4 GHz+4% | 2.3 GHz |
| Boost clock | 5.2 GHz+2% | 5.1 GHz |
| L3 cache | 30 MB+25% | 24 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 255HX | Intel Core Ultra 9 185H |
|---|---|---|
| iGPU | Intel Graphics (4 Xe-cores) | Intel Arc Graphics (8 Xe) |
| iGPU clock | 1,850 MHz | 2,350 MHz |
Memory
| Spec | Intel Core Ultra 7 255HX | Intel Core Ultra 9 185H |
|---|---|---|
| Memory support | DDR5-6400 | LPDDR5X-7467 / DDR5-5600 |
| Max memory | 256 GB+167% | 96 GB |
Benchmarks
| Spec | Intel Core Ultra 7 255HX | Intel Core Ultra 9 185H |
|---|---|---|
| Geekbench 6 (single) | 2,959+22%Top 17% | 2,430Bottom 43% |
| Geekbench 6 (multi) | 17,915+34%Top 12% | 13,400Top 33% |
| Cinebench R23 (single) | 2,154+20%Top 10% | 1,790Top 42% |
| Cinebench R23 (multi) | 31,781+84%Top 6% | 17,300Top 27% |
| PassMark | 47,933+66%Top 8% | 28,947Top 24% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,225Top 13% |
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