Intel Core i5-9400F vs Intel Core i5-8400
For gaming, the Intel Core i5-9400F is 2% ahead on our index. The rows below show where the other one still wins.
Gaming index 52 51
Cores 6 6
Threads 6 6
Top speed 4.1 GHz 4 GHz
Rated power 65 W 65 W
Games at recommended 194 194
Released20192017
Quick answers
Is the Intel Core i5-9400F better than the Intel Core i5-8400 for gaming?
Yes — on our gaming index the Intel Core i5-9400F scores 52 and the Intel Core i5-8400 51.
What is the fastest graphics card each one can keep up with?
At 1440p, by our bottleneck model: the NVIDIA GeForce RTX 2070 SUPER for the Intel Core i5-9400F, and the AMD Radeon RX 7600 XT for the Intel Core i5-8400.