Ryzen 9 7940HS vs Core i9-13905H

The Ryzen 9 7940HS packs 8 cores / 16 threads, while the Core i9-13905H offers 14 cores / 20 threads — the Core i9-13905H has 6 more cores. Boost clocks reach 5.2 GHz on the Ryzen 9 7940HS versus 5.4 GHz on the Core i9-13905H — a 3.8% clock advantage for the Core i9-13905H (base: 4 GHz vs 2.6 GHz). The Ryzen 9 7940HS uses the Phoenix-HS (Zen 4) (2023) architecture (4 nm), while the Core i9-13905H uses Raptor Lake-H (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 7940HS scores 29,986 against the Core i9-13905H's 29,807 — a 0.6% lead for the Ryzen 9 7940HS. Cinebench R23 multi-core: 17,443 vs 19,384 (10.5% advantage for the Core i9-13905H). Geekbench 6 single-core — the metric most relevant to gaming — records 2,646 vs 2,300, a 14% lead for the Ryzen 9 7940HS that directly translates to higher frame rates. Multi-core Geekbench: 11,591 vs 14,000 (18.8% advantage for the Core i9-13905H). L3 cache: 16 MB (total) on the Ryzen 9 7940HS vs 24 MB (total) on the Core i9-13905H.

The Ryzen 9 7940HS uses the FP8 socket (PCIe 4.0), while the Core i9-13905H uses FCBGA1792 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600 memory speed. The Ryzen 9 7940HS supports up to 256 GB of RAM compared to 64 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 9 7940HS) vs 12 (Core i9-13905H) — the Ryzen 9 7940HS offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP8,FP7 (Ryzen 9 7940HS) and WM790,HM770 (Core i9-13905H).

Only the Ryzen 9 7940HS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 7940HS supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 7940HS) vs VT-x, VT-d (Core i9-13905H). Both include integrated graphics — Radeon 780M (Ryzen 9 7940HS) and Iris Xe 96EU (Core i9-13905H) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 7940HS targets Thin-and-light Performance, Core i9-13905H targets Workstation. Direct competitor: Ryzen 9 7940HS rivals Core i9-13900H; Core i9-13905H rivals Ryzen 9 7940HS.