Core Ultra 7 255H vs Core i7-13650HX

The Core Ultra 7 255H packs 16 cores / 16 threads, while the Core i7-13650HX offers 14 cores / 20 threads — the Core Ultra 7 255H has 2 more cores. Boost clocks reach 5.1 GHz on the Core Ultra 7 255H versus 4.9 GHz on the Core i7-13650HX — a 4% clock advantage for the Core Ultra 7 255H (base: 4.4 GHz vs 2.6 GHz). The Core Ultra 7 255H uses the Arrow Lake-H (2025) architecture (5 nm), while the Core i7-13650HX uses Raptor Lake-HX (2023) (Intel 7 nm). In PassMark, the Core Ultra 7 255H scores 30,932 against the Core i7-13650HX's 30,538 — a 1.3% lead for the Core Ultra 7 255H. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 2,524, a 10.4% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 15,700 vs 16,200 (3.1% advantage for the Core i7-13650HX). L3 cache: 24 MB on the Core Ultra 7 255H vs 24 MB (total) on the Core i7-13650HX.

The Core Ultra 7 255H uses the FCBGA2049 socket (PCIe 5.0), while the Core i7-13650HX uses FCBGA1964 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core i7-13650HX supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Core Ultra 7 255H) vs 20 (Core i7-13650HX) — the Core Ultra 7 255H offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 7 255H) and HM770,WM790 (Core i7-13650HX).

Only the Core i7-13650HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core Ultra 7 255H) vs VT-x, VT-d, EPT (Core i7-13650HX). Both include integrated graphics — Intel Arc Graphics 140T (Core Ultra 7 255H) and Intel UHD Graphics 16EUs (Tiger Lake-H) (Core i7-13650HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core Ultra 7 255H targets High-End Laptop, Core i7-13650HX targets High-end Content Creation Laptop. Direct competitor: Core i7-13650HX rivals Ryzen 7 7840HX.