Core Ultra 7 255H vs Core i5-14500

The Core Ultra 7 255H packs 16 cores / 16 threads, while the Core i5-14500 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 5 GHz on the Core i5-14500 — a 2% 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 i5-14500 uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core Ultra 7 255H scores 30,932 against the Core i5-14500's 31,205 — a 0.9% lead for the Core i5-14500. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 2,700, a 3.6% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 15,700 vs 15,000 (4.6% advantage for the Core Ultra 7 255H). L3 cache: 24 MB on the Core Ultra 7 255H vs 24 MB (total) on the Core i5-14500.

The Core Ultra 7 255H uses the FCBGA2049 socket (PCIe 5.0), while the Core i5-14500 uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core i5-14500 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 i5-14500) — the Core Ultra 7 255H offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 7 255H) and B760,Z790 (Core i5-14500).

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel Arc Graphics 140T (Core Ultra 7 255H) and Intel UHD Graphics 770 (Core i5-14500) — 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 i5-14500 targets Mainstream Desktop.