Intel Core i7-11700K vs Intel Core i5-12400

The Intel Core i5-12400 is the faster chip for gaming by roughly 1%. Here is the full spec-by-spec breakdown.

Intel Core i5-12400 wins — about 1% faster for gaming
Specification Intel Core i7-11700K Intel Core i5-12400
Gaming score 70/100 71/100
Tier B B
Manufacturer Intel Intel
Cores 8 6
Threads 16 12
Base clock 3.6 GHz 2.5 GHz
Boost clock 5 GHz 4.4 GHz
Power draw (TDP) 125 W 65 W
Release year 2021 2022

Which should you buy?

For gaming specifically, the Intel Core i5-12400 is the better buy — it holds a 1% lead in our index, which shows up most at 1080p and in CPU-bound titles like strategy and simulation games. The Intel Core i7-11700K has more cores (8 vs 6), which helps if you stream, compile or render alongside playing. The Intel Core i5-12400 runs 60W cooler, meaning a cheaper cooler and less case heat. Either way, pair it with a graphics card of similar standing — check the bottleneck calculator before you buy.