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Intel Core Ultra 7 255HX vs Intel Core Ultra 7 266V: Comparison
Intel Core Ultra 7 255HX and Intel Core Ultra 7 266V separate most on l3 cache: Intel Core Ultra 7 255HX at 40 MB, Intel Core Ultra 7 266V at 12 MB, 70% in favour of Intel Core Ultra 7 255HX. They match on form factor and boost clock.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Form Factor | Laptop | Laptop |
| Release Year | 2025 | 2024 |
| TDP | 55 W | 17 W |
| iGPU | Intel Graphics (Xe-LPG, reduced EU count) | Intel Arc 130V/140V (Xe2) |
| Socket | BGA 2114 (BGA, soldered) | BGA 2833 (on-package LPDDR5X) |
| L3 Cache | 40 MB | 12 MB-70% |
| Cores | 20 | 8 |
| Threads | 20 | 8 |
| Base Clock | 2.4 GHz | 2.2 GHz |
| Boost Clock | 5.0 GHz | 5.0 GHz |
| NPU | 13 TOPS (NPU 3) | 45 TOPS (NPU 4) |
| Architecture | Arrow Lake-HX | Lunar Lake |
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 7 266V
9 / 10 Expert Rating
The Intel Core Ultra 7 266V is a non-vPro Lunar Lake variant for consumer ultra-thin laptops wanting more headroom than the Core Ultra 5 tier.
More comparisons in Processors (CPUs)
- AMD 6th Gen A10-8700P APU vs Intel Core Ultra 7 255HX
- AMD 6th Gen A10-8700P APU vs Intel Core Ultra 7 266V
- Intel Core Ultra 5 332 vs Intel Core Ultra 7 255HX
- Intel Core Ultra 7 155U vs Intel Core Ultra 7 266V
- Intel Core Ultra 5 325 vs Intel Core Ultra 7 255HX
- Intel Core Ultra 7 266V vs Intel Core Ultra 7 356H


