Core i5-10400F vs Core Ultra 7 265T

The Core i5-10400F packs 6 cores / 12 threads, while the Core Ultra 7 265T offers 20 cores / 20 threads — the Core Ultra 7 265T has 14 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5.3 GHz on the Core Ultra 7 265T — a 20.8% clock advantage for the Core Ultra 7 265T (base: 2.9 GHz vs 1.5 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core Ultra 7 265T uses Arrow Lake-S (2024−2025) (3 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core Ultra 7 265T's 40,681 — a 103% lead for the Core Ultra 7 265T. Cinebench R23 multi-core: 8,191 vs 34,000 (122.3% advantage for the Core Ultra 7 265T). Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 2,954, a 68.1% lead for the Core Ultra 7 265T that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 16,455 (96% advantage for the Core Ultra 7 265T). L3 cache: 12 MB (total) on the Core i5-10400F vs 30 MB (total) on the Core Ultra 7 265T.

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core Ultra 7 265T uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-6400 on the Core Ultra 7 265T — the Core Ultra 7 265T supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 7 265T supports up to 192 GB of RAM compared to 128 GB — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 24 (Core Ultra 7 265T) — the Core Ultra 7 265T offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and Z890,H870,B860 (Core Ultra 7 265T).

Only the Core Ultra 7 265T has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core Ultra 7 265T includes integrated graphics (Intel Graphics (Xe-LPG 4-core)), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Core Ultra 7 265T targets High End Desktop. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

At launch, the Core i5-10400F was priced at $160, while the Core Ultra 7 265T came in at $384. On launch pricing ($160 vs $384), Core i5-10400F was $224 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 105.9 pts/$ for the Core Ultra 7 265T — making the Core Ultra 7 265T the 26.2% better value option.

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