Intel Core i7-11800H vs Intel Core Ultra 7 251HX
51.8Single-core66.6
41.1Multi-core65.1
40.5Efficiencyspec-based44.4
37.8iGPU—
60.5Platformspec-based68.1
1 spec wins — Intel Core i7-11800H13 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 46.3, pulling ahead mainly in multi-core (+24) and single-core (+15). Intel Core i7-11800H 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 i7-11800H
- 18% lower Base TDP: 45 W vs 55 W
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger single-core score: 67 vs 52
- Stronger multi-core score: 65 vs 41
- 140% higher PassMark: 47,051 vs 19,575
- 125% higher cores: 18 vs 8
- 123% higher Cinebench R23 (multi): 26,001 vs 11,662
General
| Spec | Intel Core i7-11800H | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2021 | 2026 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 45 W+18% | 55 W |
| Max TDP | — | 160 W |
Cores & Clocks
| Spec | Intel Core i7-11800H | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 8 | 18+125% |
| Performance cores | — | 6 |
| Efficiency cores | — | 12 |
| Threads | 16 | 18+13% |
| Base clock | 2.3 GHz | 2.9 GHz+26% |
| Boost clock | 4.6 GHz | 5.1 GHz+11% |
| L3 cache | 24 MB | 30 MB+25% |
Integrated GPU
| Spec | Intel Core i7-11800H | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | Intel UHD Graphics Xe (32 EU) | Intel Graphics (3 Xe) |
| iGPU clock | 1,450 MHz | 1,800 MHz |
Memory
| Spec | Intel Core i7-11800H | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | DDR4-3200 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
Benchmarks
| Spec | Intel Core i7-11800H | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,193Bottom 29% | 2,762+26%Top 33% |
| Geekbench 6 (multi) | 9,254Bottom 34% | 14,233+54%Top 30% |
| Cinebench R23 (single) | 1,499Bottom 30% | 1,941+29%Top 26% |
| Cinebench R23 (multi) | 11,662Bottom 48% | 26,001+123%Top 12% |
| PassMark | 19,575Bottom 50% | 47,051+140%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 670Bottom 25% | — |
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