Core i7-12700K vs Core i5-4200M

The Core i7-12700K packs 12 cores / 20 threads, while the Core i5-4200M offers 2 cores / 4 threads — the Core i7-12700K has 10 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.1 GHz on the Core i5-4200M — a 46.9% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.5 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Core i5-4200M uses Haswell (2013−2015) (22 nm). In PassMark, the Core i7-12700K scores 34,347 against the Core i5-4200M's 2,809 — a 169.8% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 3 MB on the Core i5-4200M.

The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Core i5-4200M uses PGA946 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR3L-1600 on the Core i5-4200M — the Core i7-12700K supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12700K) vs 16 (Core i5-4200M) — the Core i7-12700K offers 4 more lanes for additional GPUs or NVMe drives.

Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics — Intel UHD Graphics 770 (Core i7-12700K) and HD Graphics 4600 (Core i5-4200M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4200M targets Mobile. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.

The Core i7-12700K launched at $409 MSRP, while the Core i5-4200M debuted at $225.