Ryzen 7 8840HX vs Core i9-13900HX

The Ryzen 7 8840HX packs 12 cores / 24 threads, while the Core i9-13900HX offers 24 cores / 32 threads — the Core i9-13900HX has 12 more cores. Boost clocks reach 5.1 GHz on the Ryzen 7 8840HX versus 5.4 GHz on the Core i9-13900HX — a 5.7% clock advantage for the Core i9-13900HX (base: 2.9 GHz vs 2.2 GHz). The Ryzen 7 8840HX uses the Dragon Range (2025) architecture (5 nm), while the Core i9-13900HX uses Raptor Lake-HX (2023) (Intel 7 nm). In PassMark, the Ryzen 7 8840HX scores 42,275 against the Core i9-13900HX's 42,437 — a 0.4% lead for the Core i9-13900HX. L3 cache: 64 MB (total) on the Ryzen 7 8840HX vs 36 MB (total) on the Core i9-13900HX.

The Ryzen 7 8840HX uses the FL1 socket (PCIe 5.0), while the Core i9-13900HX uses FCBGA1964 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 7 8840HX versus DDR5-5600, DDR4-3200 on the Core i9-13900HX — the Ryzen 7 8840HX supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900HX supports up to 192 GB of RAM compared to 64 — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 8840HX) vs 20 (Core i9-13900HX) — the Ryzen 7 8840HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP8,FP7 (Ryzen 7 8840HX) and HM770,WM790 (Core i9-13900HX).

Only the Core i9-13900HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 8840HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 7 8840HX) vs VT-x, VT-d, EPT (Core i9-13900HX). Both include integrated graphics — AMD Radeon 780M (Ryzen 7 8840HX) and UHD Graphics 770 (Core i9-13900HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-13900HX targets Performance Gaming / Mobile Workstation. Direct competitor: Ryzen 7 8840HX rivals Core i7-13700H; Core i9-13900HX rivals Ryzen 9 7945HX.