http://blog.logicalincrements.com/2019/02/what-are-how-many-motherboard-vrms-power-phases/
So based on this article It looks like Gigabyte has the best VRM for the ITX board.
Asus has 4(x2)+2 (50A)
Gigabyte has 6+2 (90A)
MSI has 8+2 (60)
Well balanced power phasing and much more heat spreader...