Core i9-13900HX vs Core i7-13700K

The Core i9-13900HX packs 24 cores / 32 threads, while the Core i7-13700K offers 16 cores / 24 threads — the Core i9-13900HX has 8 more cores. Boost clocks reach 5.4 GHz on the Core i9-13900HX versus 5.4 GHz on the Core i7-13700K — identical boost frequencies (base: 2.2 GHz vs 3.4 GHz). The Core i9-13900HX uses the Raptor Lake-HX (2023) architecture (Intel 7 nm), while the Core i7-13700K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Core i9-13900HX scores 42,437 against the Core i7-13700K's 45,784 — a 7.6% lead for the Core i7-13700K. Cinebench R23 multi-core: 29,493 vs 31,000 (5% advantage for the Core i7-13700K). Geekbench 6 single-core — the metric most relevant to gaming — records 2,878 vs 2,846, a 1.1% lead for the Core i9-13900HX that directly translates to higher frame rates. Multi-core Geekbench: 14,944 vs 18,980 (23.8% advantage for the Core i7-13700K). L3 cache: 36 MB (total) on the Core i9-13900HX vs 30 MB (total) on the Core i7-13700K.

The Core i9-13900HX uses the FCBGA1964 socket (PCIe 5.0), while the Core i7-13700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600, DDR4-3200 memory speed. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: HM770,WM790 (Core i9-13900HX) and Intel Z790,Intel H770,Intel B760,Intel Z690,Intel H670,Intel B660,Intel H610 (Core i7-13700K).

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d, EPT (Core i9-13900HX) vs true (Core i7-13700K). Both include integrated graphics — UHD Graphics 770 (Core i9-13900HX) and Intel UHD Graphics 770 (Core i7-13700K) — 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: Core i9-13900HX rivals Ryzen 9 7945HX; Core i7-13700K rivals Ryzen 9 7900X.