Core i7-12800HX vs Core Ultra 5 225

The Core i7-12800HX packs 16 cores / 24 threads, while the Core Ultra 5 225 offers 10 cores / 10 threads — the Core i7-12800HX has 6 more cores. Boost clocks reach 4.8 GHz on the Core i7-12800HX versus 4.9 GHz on the Core Ultra 5 225 — a 2.1% clock advantage for the Core Ultra 5 225 (base: 2 GHz vs 3.3 GHz). The Core i7-12800HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Core Ultra 5 225 uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i7-12800HX scores 31,229 against the Core Ultra 5 225's 31,137 — a 0.3% lead for the Core i7-12800HX. Cinebench R23 multi-core: 18,680 vs 17,020 (9.3% advantage for the Core i7-12800HX). Geekbench 6 single-core — the metric most relevant to gaming — records 1,962 vs 2,653, a 29.9% lead for the Core Ultra 5 225 that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 13,028 (14.1% advantage for the Core i7-12800HX). L3 cache: 25 MB (total) on the Core i7-12800HX vs 20 MB (total) on the Core Ultra 5 225.

The Core i7-12800HX uses the FCBGA1964 socket (PCIe 5.0), while the Core Ultra 5 225 uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800 memory speed. The Core Ultra 5 225 supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12800HX) vs 24 (Core Ultra 5 225) — the Core Ultra 5 225 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i7-12800HX) and Z890,B860,H810 (Core Ultra 5 225).

Only the Core i7-12800HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — Intel UHD Graphics 770 (Core i7-12800HX) and Intel Arc Graphics (2 Xe-cores) (Core Ultra 5 225) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-12800HX targets Extreme Gaming Laptop, Core Ultra 5 225 targets Mainstream Desktop / Efficiency. Direct competitor: Core i7-12800HX rivals Ryzen 7 6800HX; Core Ultra 5 225 rivals Ryzen 5 8600G.