Core Ultra 5 225H vs EPYC 7303

The Core Ultra 5 225H packs 14 cores / 14 threads, while the EPYC 7303 offers 16 cores / 32 threads — the EPYC 7303 has 2 more cores. Boost clocks reach 4.9 GHz on the Core Ultra 5 225H versus 3.4 GHz on the EPYC 7303 — a 36.1% clock advantage for the Core Ultra 5 225H (base: 4.3 GHz vs 2.4 GHz). The Core Ultra 5 225H uses the Arrow Lake-H (2025) architecture (5 nm), while the EPYC 7303 uses Milan (2021−2023) (7 nm). In PassMark, the Core Ultra 5 225H scores 28,802 against the EPYC 7303's 28,572 — a 0.8% lead for the Core Ultra 5 225H. Cinebench R23 multi-core: 14,526 vs 18,000 (21.4% advantage for the EPYC 7303). Geekbench 6 single-core — the metric most relevant to gaming — records 2,678 vs 1,960, a 31% lead for the Core Ultra 5 225H that directly translates to higher frame rates. Multi-core Geekbench: 12,337 vs 11,000 (11.5% advantage for the Core Ultra 5 225H). L3 cache: 18 MB on the Core Ultra 5 225H vs 64 MB (total) on the EPYC 7303.

The Core Ultra 5 225H uses the FCBGA2049 socket (PCIe 5.0), while the EPYC 7303 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 5 225H versus DDR4-3200 on the EPYC 7303 — the Core Ultra 5 225H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7303 supports up to 204 GB of RAM compared to 128 GB — 45.8% more capacity for professional workloads. Memory channels: 2 (Core Ultra 5 225H) vs 8 (EPYC 7303). PCIe lanes: 28 (Core Ultra 5 225H) vs 128 (EPYC 7303) — the EPYC 7303 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WM880,HM870 (Core Ultra 5 225H) and SP3 platform (EPYC 7303).

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core Ultra 5 225H) vs AMD-V, SVM (EPYC 7303). The Core Ultra 5 225H includes integrated graphics (Intel Arc 130T GPU), while the EPYC 7303 requires a dedicated GPU. Primary use case: Core Ultra 5 225H targets Professional Content Creation Laptop, EPYC 7303 targets High-frequency Server Workloads. Direct competitor: Core Ultra 5 225H rivals Ryzen 7 9800H; EPYC 7303 rivals Xeon Gold 6334.