Intel Core i9-11900K vs Intel Core i5-13400

The Intel Core i5-13400 is the faster chip for gaming by roughly 1%. Here is the full spec-by-spec breakdown.

Intel Core i5-13400 wins — about 1% faster for gaming
Specification Intel Core i9-11900K Intel Core i5-13400
Gaming score 72/100 73/100
Tier B B
Manufacturer Intel Intel
Cores 8 10
Threads 16 16
Base clock 3.5 GHz 2.5 GHz
Boost clock 5.3 GHz 4.6 GHz
Power draw (TDP) 125 W 65 W
Release year 2021 2023

Which should you buy?

For gaming specifically, the Intel Core i5-13400 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 i5-13400 has more cores (10 vs 8), which helps if you stream, compile or render alongside playing. The Intel Core i5-13400 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.