Intel Core i5-8400 vs Intel Core i7-6700K
For gaming, the Intel Core i7-6700K is 4% ahead on our index. The rows below show where the other one still wins.
Gaming index 51 53
Cores 6 4
Threads 6 8
Top speed 4 GHz 4.2 GHz
Rated power 65 W 91 W
Games at recommended 194 196
Released20172015
Processor-heavy games only the Intel Core i7-6700K meets
Quick answers
Is the Intel Core i5-8400 better than the Intel Core i7-6700K for gaming?
No — on our gaming index the Intel Core i7-6700K scores 53 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 AMD Radeon RX 7600 XT for the Intel Core i5-8400, and the AMD Radeon RX 6700 10GB for the Intel Core i7-6700K.