Intel Core i5-12450HX vs Intel Core Ultra 7 255H
47.6Single-core69.7
40.4Multi-core56.8
28.9Efficiencyspec-based75.7
—iGPU75.9
52.2Platformspec-based60.5
2 spec wins — Intel Core i5-12450HX12 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 42.4, pulling ahead mainly in single-core (+22) and multi-core (+16). Intel Core i5-12450HX 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 i5-12450HX
- 37% higher Max TDP: 157 W vs 115 W
- 20% higher Base clock: 2.4 GHz vs 2 GHz
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 48
- Stronger multi-core score: 57 vs 40
- 150% higher Efficiency cores: 10 vs 4
- 100% higher cores: 16 vs 8
- 100% higher L3 cache: 24 MB vs 12 MB
General
| Spec | Intel Core i5-12450HX | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2022 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 55 W | 28 W+49% |
| Max TDP | 157 W+37% | 115 W |
Cores & Clocks
| Spec | Intel Core i5-12450HX | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 8 | 16+100% |
| Performance cores | 4 | 6+50% |
| Efficiency cores | 4 | 10+150% |
| Threads | 12 | 16+33% |
| Base clock | 2.4 GHz+20% | 2 GHz |
| Boost clock | 4.4 GHz | 5.1 GHz+16% |
| L3 cache | 12 MB | 24 MB+100% |
Integrated GPU
| Spec | Intel Core i5-12450HX | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel UHD Graphics (16 EU) | Intel Arc 140T |
| iGPU clock | 1,300 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i5-12450HX | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-4800 / DDR4-3200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 128 GB | 128 GB |
Benchmarks
| Spec | Intel Core i5-12450HX | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,210Bottom 26% | 2,851+29%Top 25% |
| Geekbench 6 (multi) | 9,230Bottom 34% | 15,362+66%Top 20% |
| Cinebench R23 (single) | — | 2,055Top 17% |
| Cinebench R23 (multi) | — | 18,624Top 20% |
| PassMark | 17,605Bottom 40% | 30,782+75%Top 21% |
| 3DMark Time Spy Graphics (iGPU) | — | 3,719Top 7% |
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