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Intel Core Ultra 7 255HX vs Intel Core Ultra 9 285HX: Comparison
Intel Core Ultra 7 255HX and Intel Core Ultra 9 285HX separate most on l3 cache: Intel Core Ultra 7 255HX at 40 MB, Intel Core Ultra 9 285HX at 48 MB, 17% in favour of Intel Core Ultra 9 285HX. They match on 7 other specifications, including form factor, release year and tdp.
Specs
| Specification |  |  |
|---|---|---|
| Form Factor | Laptop | Laptop |
| Release Year | 2025 | 2025 |
| TDP | 55 W | 55 W |
| iGPU | Intel Graphics (Xe-LPG, reduced EU count) | Intel Graphics (Xe-LPG, reduced EU count) |
| Socket | BGA 2114 (BGA, soldered) | BGA 2114 (BGA, soldered) |
| L3 Cache | 40 MB-17% | 48 MB |
| Cores | 20 | 24 |
| Threads | 20 | 24 |
| Base Clock | 2.4 GHz | 2.8 GHz |
| Boost Clock | 5.0 GHz | 5.4 GHz |
| NPU | 13 TOPS (NPU 3) | 13 TOPS (NPU 3) |
| Architecture | Arrow Lake-HX | Arrow Lake-HX |
Verdict
Intel Core Ultra 7 255HX
8.8 / 10 Expert Rating
The Intel Core Ultra 7 255HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.
Intel Core Ultra 9 285HX
8.8 / 10 Expert Rating
The Intel Core Ultra 9 285HX brings desktop-class core counts to a mobile package, suited to high-end gaming and creator laptops that can handle the higher TDP.