Core i9-11980HK vs Core i7-9700K

The Core i9-11980HK packs 8 cores / 16 threads, matching the Core i7-9700K's 8 cores. Boost clocks reach 5 GHz on the Core i9-11980HK versus 4.9 GHz on the Core i7-9700K — a 2% clock advantage for the Core i9-11980HK (base: 2.6 GHz vs 3.6 GHz). The Core i9-11980HK uses the Tiger Lake-HK (2021) architecture (10 nm SuperFin), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Core i9-11980HK scores 22,244 against the Core i7-9700K's 14,397 — a 42.8% lead for the Core i9-11980HK. L3 cache: 24 MB (total) on the Core i9-11980HK vs 12 MB (total) on the Core i7-9700K.

The Core i9-11980HK uses the FCBGA1787 socket (PCIe 4.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-11980HK) vs 16 (Core i7-9700K) — the Core i9-11980HK offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM570,WM590 (Core i9-11980HK) and Intel 300 series (Core i7-9700K).

Both processors feature an unlocked multiplier for overclocking. Only the Core i9-11980HK supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i9-11980HK) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics — UHD Graphics 32EUs (Core i9-11980HK) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-11980HK targets Enthusiast Gaming Laptop, Core i7-9700K targets Desktop. Direct competitor: Core i9-11980HK rivals Ryzen 9 5900HX.