Core i5-14450HX vs Core i7-12700K

The Core i5-14450HX packs 10 cores / 16 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 2 more cores. Boost clocks reach 4.8 GHz on the Core i5-14450HX versus 5 GHz on the Core i7-12700K — a 4.1% clock advantage for the Core i7-12700K (base: 2.4 GHz vs 3.6 GHz). The Core i5-14450HX uses the Raptor Lake-HX Refresh (2024) architecture (Intel 7 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Core i5-14450HX scores 23,557 against the Core i7-12700K's 34,347 — a 37.3% lead for the Core i7-12700K. L3 cache: 20 MB (total) on the Core i5-14450HX vs 25 MB (total) on the Core i7-12700K.

The Core i5-14450HX uses the FCBGA1964 socket (PCIe 5.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i5-14450HX versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-14450HX supports up to 192 GB of RAM compared to 128 — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.

Both processors feature an unlocked multiplier for overclocking. Only the Core i5-14450HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel UHD Graphics (Core i5-14450HX) and Intel UHD Graphics 770 (Core i7-12700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-14450HX targets Mobile. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.