Core Ultra 7 255H vs Core i7-12800HX: which is better
Intel Core Ultra 7 255H (laptop, 2025) against Intel Core i7-12800HX (laptop, 2022): benchmarks, games, specs and current prices.
Key differences
- Core i7-12800HX is 1% faster in multi-threaded work (PassMark 30,969 vs 30,788).
- Core Ultra 7 255H is 17% faster per core.
- Core Ultra 7 255H has a lower TDP: 28 W vs 55 W.
| Core Ultra 7 255H | Core i7-12800HX | |
|---|---|---|
| Overall score | 42.7 | 43.0 |
| PassMark CPU Mark | 30,788 | 30,969 |
| Single-thread rating | 4,309 | 3,668 |
| US price | laptops only | laptops only |
| Cores | 16 (6P + 10E) | 16 (8P + 8E) |
| Threads | 16 | 24 |
| Base clock | 2.0 GHz | 2.0 GHz |
| Max boost | 5.1 GHz | 4.8 GHz |
| L3 cache | 24 MB | 25 MB |
| TDP | 28 W | 55 W |
| Max power | 115 W | 157 W |
| Memory | DDR5 / LPDDR5X | DDR5 / DDR4 |
| Memory speed | 6400 MT/s | 4800 MT/s |
| PCI Express | PCIe 4.0 | PCIe 5.0 |
| Socket | BGA (soldered) | BGA (soldered) |
| Process | 3 nm (TSMC N3B) | 10 nm (Intel 7) |
| Architecture | Arrow Lake | Alder Lake |
| Series | Core Ultra 200H | 12th Gen Core (laptops) |
| Release year | 2025 | 2022 |
| Integrated graphics | Arc 140T | UHD Graphics |