Intel Core i9-13900KS vs AMD Ryzen 9 9900X3D

The AMD Ryzen 9 9900X3D is the faster chip for gaming by roughly 3%. Here is the full spec-by-spec breakdown.

AMD Ryzen 9 9900X3D wins — about 3% faster for gaming
Specification Intel Core i9-13900KS AMD Ryzen 9 9900X3D
Gaming score 93/100 96/100
Tier S S
Manufacturer Intel AMD
Cores 24 12
Threads 32 24
Base clock 3 GHz 4.4 GHz
Boost clock 6 GHz 5.5 GHz
Power draw (TDP) 150 W 120 W
Release year 2023 2025

Which should you buy?

For gaming specifically, the AMD Ryzen 9 9900X3D 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 Intel Core i9-13900KS has more cores (24 vs 12), which helps if you stream, compile or render alongside playing. The AMD Ryzen 9 9900X3D runs 30W 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.