AMD Ryzen 9 3900X vs Intel Core i7-9700K

The Intel Core i7-9700K is the faster chip for gaming by roughly 3%. Here is the full spec-by-spec breakdown.

Intel Core i7-9700K wins — about 3% faster for gaming
Specification AMD Ryzen 9 3900X Intel Core i7-9700K
Gaming score 61/100 63/100
Tier C B
Manufacturer AMD Intel
Cores 12 8
Threads 24 8
Base clock 3.8 GHz 3.6 GHz
Boost clock 4.6 GHz 4.9 GHz
Power draw (TDP) 105 W 95 W
Release year 2019 2018

Which should you buy?

For gaming specifically, the Intel Core i7-9700K 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 8), which helps if you stream, compile or render alongside playing. The Intel Core i7-9700K runs 10W 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.