Intel Core Ultra 5 225H vs Intel Core Ultra 7 251HX
66.7Single-core66.6
49.4Multi-core65.1
75.7Efficiencyspec-based44.4
66iGPU—
56.8Platformspec-based68.1
2 spec wins — Intel Core Ultra 5 225H14 spec wins — Intel Core Ultra 7 251HX
InnoReviews verdict
Intel Core Ultra 7 251HX wins this laptop processor face-off, 62.6 to 60.4, pulling ahead mainly in multi-core (+16). Intel Core Ultra 5 225H 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 5 225H
- 49% lower Base TDP: 28 W vs 55 W
Reasons to pick the Intel Core Ultra 7 251HX
- Stronger multi-core score: 65 vs 49
- 100% higher Max memory: 256 GB vs 128 GB
- 78% higher Cinebench R23 (multi): 26,001 vs 14,630
- 71% higher Base clock: 2.9 GHz vs 1.7 GHz
- 68% higher PassMark: 47,051 vs 28,049
General
| Spec | Intel Core Ultra 5 225H | Intel Core Ultra 7 251HX |
|---|---|---|
| Announced | 2025 | 2026 |
| 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 5 225H | Intel Core Ultra 7 251HX |
|---|---|---|
| Cores | 14 | 18+29% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 10 | 12+20% |
| Threads | 14 | 18+29% |
| Base clock | 1.7 GHz | 2.9 GHz+71% |
| Boost clock | 4.9 GHz | 5.1 GHz+4% |
| L3 cache | 18 MB | 30 MB+67% |
Integrated GPU
| Spec | Intel Core Ultra 5 225H | Intel Core Ultra 7 251HX |
|---|---|---|
| iGPU | Intel Arc 130T | Intel Graphics (3 Xe) |
| iGPU clock | 2,200 MHz | 1,800 MHz |
Memory
| Spec | Intel Core Ultra 5 225H | Intel Core Ultra 7 251HX |
|---|---|---|
| Memory support | LPDDR5X-8400 / DDR5-6400 | DDR5-6400 |
| Max memory | 128 GB | 256 GB+100% |
Benchmarks
| Spec | Intel Core Ultra 5 225H | Intel Core Ultra 7 251HX |
|---|---|---|
| Geekbench 6 (single) | 2,727Top 37% | 2,762+1%Top 33% |
| Geekbench 6 (multi) | 12,222Top 45% | 14,233+16%Top 30% |
| Cinebench R23 (single) | 1,969+1%Top 22% | 1,941Top 26% |
| Cinebench R23 (multi) | 14,630Top 37% | 26,001+78%Top 12% |
| PassMark | 28,049Top 26% | 47,051+68%Top 8% |
| 3DMark Time Spy Graphics (iGPU) | 2,378Top 30% | — |
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