Intel Core i5-10600K vs AMD Ryzen 9 3900X

The Intel Core i5-10600K is the faster chip for gaming by roughly 3%. Here is the full spec-by-spec breakdown.

Intel Core i5-10600K wins — about 3% faster for gaming
Specification Intel Core i5-10600K AMD Ryzen 9 3900X
Gaming score 63/100 61/100
Tier B C
Manufacturer Intel AMD
Cores 6 12
Threads 12 24
Base clock 4.1 GHz 3.8 GHz
Boost clock 4.8 GHz 4.6 GHz
Power draw (TDP) 125 W 105 W
Release year 2020 2019

Which should you buy?

For gaming specifically, the Intel Core i5-10600K is the better buy — it holds a 3% lead in our index, which shows up most at 1080p and in CPU-bound titles like strategy and simulation games. The AMD Ryzen 9 3900X has more cores (12 vs 6), which helps if you stream, compile or render alongside playing. The AMD Ryzen 9 3900X runs 20W 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.