Ryzen 9 8945HS vs Core Ultra 5 235H

The Ryzen 9 8945HS packs 8 cores / 16 threads, while the Core Ultra 5 235H offers 14 cores / 14 threads — the Core Ultra 5 235H has 6 more cores. Boost clocks reach 5.2 GHz on the Ryzen 9 8945HS versus 5 GHz on the Core Ultra 5 235H — a 3.9% clock advantage for the Ryzen 9 8945HS (base: 4 GHz vs 4.4 GHz). The Ryzen 9 8945HS uses the Hawk Point-HS (Zen 4) (2023−2024) architecture (4 nm), while the Core Ultra 5 235H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Ryzen 9 8945HS scores 29,584 against the Core Ultra 5 235H's 29,820 — a 0.8% lead for the Core Ultra 5 235H. Cinebench R23 multi-core: 17,200 vs 17,607 (2.3% advantage for the Core Ultra 5 235H). Geekbench 6 single-core — the metric most relevant to gaming — records 2,686 vs 2,693, a 0.3% lead for the Core Ultra 5 235H that directly translates to higher frame rates. Multi-core Geekbench: 13,283 vs 14,040 (5.5% advantage for the Core Ultra 5 235H). L3 cache: 16 MB (total) on the Ryzen 9 8945HS vs 18 MB on the Core Ultra 5 235H.

The Ryzen 9 8945HS uses the FP8 socket (PCIe 4.0), while the Core Ultra 5 235H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to LPDDR5x-7500, DDR5-5600 memory speed. The Ryzen 9 8945HS supports up to 256 GB of RAM compared to 192 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 9 8945HS) vs 28 (Core Ultra 5 235H) — the Core Ultra 5 235H offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP7,FP8 (Ryzen 9 8945HS) and WM880,HM870 (Core Ultra 5 235H).

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 8945HS supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 8945HS) vs VT-x, VT-d, EPT (Core Ultra 5 235H). Both include integrated graphics — Radeon 780M (Ryzen 9 8945HS) and Intel Arc 140T Graphics (Core Ultra 5 235H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 8945HS targets Premium Performance Laptop, Core Ultra 5 235H targets Thin-and-light Performance Laptop. Direct competitor: Ryzen 9 8945HS rivals Core Ultra 9 185H; Core Ultra 5 235H rivals Ryzen 7 9800H.