How to choose the motherboard for Intel Core i5-8600K processor. Here is a top of the cards that gives the most power with this chip. This is the average of the top 250 results on Geekbench 4.
|Motherboard||Geekbench 4 multi-core & single core|
|ASUS ROG Maximus X APEX|| 7201
|ASRock Z370 Gaming K6|| 7194
|ASRock Z370 Pro4|| 7054
|ASRock Z370 Extreme4|| 7090
In other words, the 4 best motherboards are equivalent.