Core i5-11600 vs Core i5-12450HX

The Core i5-11600 packs 6 cores / 12 threads, while the Core i5-12450HX offers 8 cores / 12 threads — the Core i5-12450HX has 2 more cores. Boost clocks reach 4.8 GHz on the Core i5-11600 versus 4.4 GHz on the Core i5-12450HX — a 8.7% clock advantage for the Core i5-11600 (base: 2.8 GHz vs 2.4 GHz). The Core i5-11600 uses the Rocket Lake (2021) architecture (14 nm), while the Core i5-12450HX uses Alder Lake-HX (2022) (Intel 7 nm). In PassMark, the Core i5-11600 scores 17,912 against the Core i5-12450HX's 18,064 — a 0.8% lead for the Core i5-12450HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,130 vs 2,150, a 0.9% lead for the Core i5-12450HX that directly translates to higher frame rates. Both processors carry 12 MB (total) of L3 cache.

The Core i5-11600 uses the LGA1200 socket (PCIe 4.0), while the Core i5-12450HX uses FCBGA1964 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i5-11600 versus DDR5-4800 on the Core i5-12450HX — the Core i5-12450HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-11600) vs 48 (Core i5-12450HX) — the Core i5-12450HX offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H470,Z490,B560,H570,Z590 (Core i5-11600) and HM670,WM690 (Core i5-12450HX).

Only the Core i5-12450HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i5-11600 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-11600) vs VT-x, VT-d, EPT (Core i5-12450HX). Both include integrated graphics — UHD Graphics 750 (Core i5-11600) and UHD Graphics for 12th Gen (Core i5-12450HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11600 targets Gaming, Core i5-12450HX targets Workstation/Enthusiast Laptop. Direct competitor: Core i5-11600 rivals Ryzen 5 5600X; Core i5-12450HX rivals Ryzen 5 7645HX.