Core Ultra 5 235H vs Core i5-10400F

The Core Ultra 5 235H packs 14 cores / 14 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core Ultra 5 235H has 8 more cores. Boost clocks reach 5 GHz on the Core Ultra 5 235H versus 4.3 GHz on the Core i5-10400F — a 15.1% clock advantage for the Core Ultra 5 235H (base: 4.4 GHz vs 2.9 GHz). The Core Ultra 5 235H uses the Arrow Lake-H (2025) architecture (5 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core Ultra 5 235H scores 29,820 against the Core i5-10400F's 13,029 — a 78.4% lead for the Core Ultra 5 235H. Cinebench R23 multi-core: 17,607 vs 8,191 (73% advantage for the Core Ultra 5 235H). Geekbench 6 single-core — the metric most relevant to gaming — records 2,693 vs 1,454, a 59.8% lead for the Core Ultra 5 235H that directly translates to higher frame rates. Multi-core Geekbench: 14,040 vs 5,783 (83.3% advantage for the Core Ultra 5 235H). L3 cache: 18 MB on the Core Ultra 5 235H vs 12 MB (total) on the Core i5-10400F.

The Core Ultra 5 235H uses the FCBGA2049 socket (PCIe 5.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 5 235H versus DDR4-2666 on the Core i5-10400F — the Core Ultra 5 235H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 5 235H 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 5 235H) vs 16 (Core i5-10400F) — the Core Ultra 5 235H offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WM880,HM870 (Core Ultra 5 235H) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).

Only the Core Ultra 5 235H has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core Ultra 5 235H) vs VT-x, VT-d (Core i5-10400F). The Core Ultra 5 235H includes integrated graphics (Intel Arc 140T Graphics), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core Ultra 5 235H targets Thin-and-light Performance Laptop, Core i5-10400F targets Gaming. Direct competitor: Core Ultra 5 235H rivals Ryzen 7 9800H; Core i5-10400F rivals Ryzen 5 3600.