Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	GIGABYTE B850M Gaming X WIFI6E AMD AM5 LGA 1718 Motherboard	ASUS PRIME B850M-A-CSM	B850M Challenger AM5 mATX HDMI/DP
Price (new) (differs)	£149.10as of 20 Sep, 06:21	£144.98as of 20 Sep, 06:22	£142.23as of 20 Sep, 06:22
RRP (differs)	not stated	£377.99	not stated
Price badge (differs)	90-day low	not stated	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 5 mo old)	Feb 2026 (6 mo old)
Brand (differs)	Gigabyte	ASUS	ASRock
RAM slots (differs)	4	not stated	4
Fastest RAM speed stated (differs)	not stated	not stated	8,000 MT/s
M.2 slots (differs)	2	3	not stated
PCIe 5.0 graphics slot (differs)	not stated	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	not stated	Yes
WiFi (differs)	WiFi 6E	None named in the listing title	None named in the listing title
Fastest USB-C port (differs)	not stated	5 Gbps	5 Gbps
SATA ports (differs)	not stated	not stated	4
Power phases (as stated by the maker) (differs)	10+2+2	not stated	8+1+1
BIOS flashback (differs)	not stated	Yes	not stated
ARGB headers (differs)	not stated	Yes	not stated
Video outputs (differs)	not stated	HDMI, DisplayPort	HDMI, DisplayPort
Audio codec (differs)	not stated	not stated	ALC897
Amazon sales rank (differs)	#69,561	#13,264	#36,335
Buy	Check price on Amazon	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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