Xeon W-2191B vs Core Ultra 5 225H

The Xeon W-2191B packs 18 cores / 36 threads, while the Core Ultra 5 225H offers 14 cores / 14 threads — the Xeon W-2191B has 4 more cores. Boost clocks reach 4.3 GHz on the Xeon W-2191B versus 4.9 GHz on the Core Ultra 5 225H — a 13% clock advantage for the Core Ultra 5 225H (base: 2.3 GHz vs 4.3 GHz). The Xeon W-2191B uses the Skylake (server) (2017−2018) architecture (14 nm), while the Core Ultra 5 225H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Xeon W-2191B scores 28,362 against the Core Ultra 5 225H's 28,802 — a 1.5% lead for the Core Ultra 5 225H. L3 cache: 24.75 MB (total) on the Xeon W-2191B vs 18 MB on the Core Ultra 5 225H.

The Xeon W-2191B uses the LGA2066 socket (PCIe 3.0), while the Core Ultra 5 225H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon W-2191B versus DDR5-6400 on the Core Ultra 5 225H — the Core Ultra 5 225H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-2191B supports up to 512 GB of RAM compared to 128 GB — 120% more capacity for professional workloads. Memory channels: 4 (Xeon W-2191B) vs 2 (Core Ultra 5 225H). PCIe lanes: 48 (Xeon W-2191B) vs 28 (Core Ultra 5 225H) — the Xeon W-2191B offers 20 more lanes for additional GPUs or NVMe drives.

Only the Core Ultra 5 225H has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon W-2191B supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core Ultra 5 225H includes integrated graphics (Intel Arc 130T GPU), while the Xeon W-2191B requires a dedicated GPU. Primary use case: Xeon W-2191B targets Workstation, Core Ultra 5 225H targets Professional Content Creation Laptop. Direct competitor: Core Ultra 5 225H rivals Ryzen 7 9800H.