Intel Core i7-8700 vs AMD Ryzen 9 3900X

The AMD Ryzen 9 3900X is the faster chip for gaming by roughly 3%. Here is the full spec-by-spec breakdown.

AMD Ryzen 9 3900X wins — about 3% faster for gaming
Specification Intel Core i7-8700 AMD Ryzen 9 3900X
Gaming score 59/100 61/100
Tier C C
Manufacturer Intel AMD
Cores 6 12
Threads 12 24
Base clock 3.2 GHz 3.8 GHz
Boost clock 4.6 GHz 4.6 GHz
Power draw (TDP) 65 W 105 W
Release year 2017 2019

Which should you buy?

For gaming specifically, the AMD Ryzen 9 3900X 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 Intel Core i7-8700 runs 40W 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.