Intel Core Ultra 7 251HX vs Intel Core Ultra 9 285H
66.6Single-core74.7
65.1Multi-core64.7
44.4Efficiencyspec-based56
—iGPU75.9
68.1Platformspec-based60.5
9 spec wins — Intel Core Ultra 7 251HX5 spec wins — Intel Core Ultra 9 285H
InnoReviews verdict
Intel Core Ultra 9 285H wins this laptop processor face-off, 66.4 to 62.6, pulling ahead mainly in single-core (+8). Intel Core Ultra 7 251HX 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 251HX
- 100% higher Max memory: 256 GB vs 128 GB
- 39% higher Max TDP: 160 W vs 115 W
- 38% higher PassMark: 47,051 vs 34,203
- 25% higher L3 cache: 30 MB vs 24 MB
- 20% higher Efficiency cores: 12 vs 10
Reasons to pick the Intel Core Ultra 9 285H
- Stronger single-core score: 75 vs 67
- 26% higher Geekbench 6 (multi): 17,900 vs 14,233
- 18% lower Base TDP: 45 W vs 55 W
- 12% higher Geekbench 6 (single): 3,080 vs 2,762
- 12% higher Cinebench R23 (single): 2,180 vs 1,941
General
| Spec | Intel Core Ultra 7 251HX | Intel Core Ultra 9 285H |
|---|---|---|
| Announced | 2026 | 2025 |
| Process | 3 nm | 3 nm |
| Base TDP | 55 W | 45 W+18% |
| Max TDP | 160 W+39% | 115 W |
Cores & Clocks
| Spec | Intel Core Ultra 7 251HX | Intel Core Ultra 9 285H |
|---|---|---|
| Cores | 18+13% | 16 |
| Performance cores | 6 | 6 |
| Efficiency cores | 12+20% | 10 |
| Threads | 18+13% | 16 |
| Base clock | 2.9 GHz | 2.9 GHz |
| Boost clock | 5.1 GHz | 5.4 GHz+6% |
| L3 cache | 30 MB+25% | 24 MB |
Integrated GPU
| Spec | Intel Core Ultra 7 251HX | Intel Core Ultra 9 285H |
|---|---|---|
| iGPU | Intel Graphics (3 Xe) | Intel Arc 140T |
| iGPU clock | 1,800 MHz | 2,350 MHz |
Memory
| Spec | Intel Core Ultra 7 251HX | Intel Core Ultra 9 285H |
|---|---|---|
| Memory support | DDR5-6400 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 256 GB+100% | 128 GB |
Benchmarks
| Spec | Intel Core Ultra 7 251HX | Intel Core Ultra 9 285H |
|---|---|---|
| Geekbench 6 (single) | 2,762Top 33% | 3,080+12%Top 17% |
| Geekbench 6 (multi) | 14,233Top 30% | 17,900+26%Top 15% |
| Cinebench R23 (single) | 1,941Top 26% | 2,180+12%Top 10% |
| Cinebench R23 (multi) | 26,001+7%Top 12% | 24,200Top 13% |
| PassMark | 47,051+38%Top 8% | 34,203Top 20% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 7% |
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