Ryzen 9 7940H vs Core i9-9980XE

The Ryzen 9 7940H packs 8 cores / 16 threads, while the Core i9-9980XE offers 18 cores / 36 threads — the Core i9-9980XE has 10 more cores. Boost clocks reach 5.2 GHz on the Ryzen 9 7940H versus 4.5 GHz on the Core i9-9980XE — a 14.4% clock advantage for the Ryzen 9 7940H (base: 4 GHz vs 3 GHz). The Ryzen 9 7940H uses the Phoenix (2023−2024) architecture (4 nm), while the Core i9-9980XE uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 9 7940H scores 29,151 against the Core i9-9980XE's 29,127 — a 0.1% lead for the Ryzen 9 7940H. Cinebench R23 multi-core: 17,200 vs 22,000 (24.5% advantage for the Core i9-9980XE). Geekbench 6 single-core — the metric most relevant to gaming — records 2,646 vs 1,459, a 57.8% lead for the Ryzen 9 7940H that directly translates to higher frame rates. Multi-core Geekbench: 13,495 vs 12,177 (10.3% advantage for the Ryzen 9 7940H). L3 cache: 16 MB (total) on the Ryzen 9 7940H vs 24.75 MB (total) on the Core i9-9980XE.

The Ryzen 9 7940H uses the FP8 socket (PCIe 4.0), while the Core i9-9980XE uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 7940H versus DDR4-2666 on the Core i9-9980XE — the Ryzen 9 7940H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 7940H supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7940H) vs 4 (Core i9-9980XE). PCIe lanes: 20 (Ryzen 9 7940H) vs 44 (Core i9-9980XE) — the Core i9-9980XE offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP7,FP7r2,FP8 (Ryzen 9 7940H) and X299 (Core i9-9980XE).

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V, SVM (Ryzen 9 7940H) vs VT-x, VT-d (Core i9-9980XE). The Ryzen 9 7940H includes integrated graphics (Radeon 780M), while the Core i9-9980XE requires a dedicated GPU. Primary use case: Ryzen 9 7940H targets High-performance Gaming Laptop, Core i9-9980XE targets HEDT / Workstation / Content Creation. Direct competitor: Ryzen 9 7940H rivals Core i9-13900H; Core i9-9980XE rivals Ryzen Threadripper 2950X.