More importantly, it puts out higher frame rates in Civilization ... The MSI MAG B550M Mortar’s Achilles' heel is overclocking. Where the two Asus boards easily achieved 4.2GHz on all cores ...

The MSI B360M Mortar is a small form factor ... it's a bizarrely mixed bag. The MSI board actually seems to deliver higher average frame rates than any of the H370 or B360 boards we've tested ...