Intel Core i9-12900HK vs Intel Core Ultra 7 255H
60.5Single-core69.7
51Multi-core56.8
40.5Efficiencyspec-based75.7
55.7iGPU75.9
59Platformspec-based60.5
2 spec wins — Intel Core i9-12900HK13 spec wins — Intel Core Ultra 7 255H
InnoReviews verdict
Intel Core Ultra 7 255H wins this laptop processor face-off, 65.3 to 53.5, pulling ahead mainly in iGPU (+20) and single-core (+9). Intel Core i9-12900HK 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 i9-12900HK
- 25% higher threads: 20 vs 16
- 25% higher Base clock: 2.5 GHz vs 2 GHz
Reasons to pick the Intel Core Ultra 7 255H
- Stronger single-core score: 70 vs 61
- Stronger multi-core score: 57 vs 51
- Stronger iGPU score: 76 vs 56
- 149% higher 3DMark Time Spy Graphics (iGPU): 3,719 vs 1,496
- 100% higher Max memory: 128 GB vs 64 GB
General
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 255H |
|---|---|---|
| Announced | 2022 | 2025 |
| Process | 10 nm | 3 nm+70% |
| Base TDP | 45 W | 28 W+38% |
| Max TDP | 115 W | 115 W |
Cores & Clocks
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 255H |
|---|---|---|
| Cores | 14 | 16+14% |
| Performance cores | 6 | 6 |
| Efficiency cores | 8 | 10+25% |
| Threads | 20+25% | 16 |
| Base clock | 2.5 GHz+25% | 2 GHz |
| Boost clock | 5 GHz | 5.1 GHz+2% |
| L3 cache | 24 MB | 24 MB |
Integrated GPU
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 255H |
|---|---|---|
| iGPU | Intel Iris Xe (96 EU) | Intel Arc 140T |
| iGPU clock | 1,450 MHz | 2,250 MHz |
Memory
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 255H |
|---|---|---|
| Memory support | DDR5-4800 / LPDDR5-5200 / DDR4-3200 | LPDDR5X-8400 / DDR5-6400 |
| Max memory | 64 GB | 128 GB+100% |
Benchmarks
| Spec | Intel Core i9-12900HK | Intel Core Ultra 7 255H |
|---|---|---|
| Geekbench 6 (single) | 2,450Bottom 48% | 2,851+16%Top 29% |
| Geekbench 6 (multi) | 12,700Top 40% | 15,362+21%Top 23% |
| Cinebench R23 (single) | 1,810Top 36% | 2,055+14%Top 18% |
| Cinebench R23 (multi) | 17,600Top 24% | 18,624+6%Top 20% |
| PassMark | 24,954Top 34% | 30,782+23%Top 21% |
| 3DMark Time Spy Graphics (iGPU) | 1,496Top 42% | 3,719+149%Top 7% |
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