Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS ROG Strix B850-G Gaming WiFi AMD AM5 B850 mATX	ASUS B850M AYW GAMING OC WIFI7 W
Price (new) (differs)	£309.73as of 22 Sep, 18:22	£316.99as of 22 Sep, 18:20
RRP (differs)	not stated	£316.99
First available on Amazon (differs)	Jul 2025 (1 yr 2 mo old)	Mar 2026 (6 mo old)
M.2 slots (differs)	4	3
PCIe 5.0 graphics slot (differs)	Yes	not stated
PCIe 5.0 M.2 slot (differs)	Yes	not stated
Power phases (as stated by the maker) (differs)	14+2+1	12+2+1
Debug LED / POST code (differs)	Yes	not stated
Audio codec (differs)	ALC1220	not stated
Amazon sales rank (differs)	#332,410	#77,920
Buy	Check price on Amazon	Check price on Amazon

Highlighted rows differ between these boards. “Not stated” means the Amazon listing does not mention it: the board may still have it, so check the maker’s specification. Power phases are printed as stated by the maker and are not comparable between brands. Prices are the new price on Amazon.co.uk at the time shown; the price on Amazon when you buy is the one that applies.

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