Compare 3 motherboards

Side-by-side comparison of 3 motherboards
Specification	ASUS PRIME B840M-A CSM AMD B840 mATX motherboard	GIGABYTE B840M AORUS ELITE WIFI6E Motherboard	ASUS PRIME B840M-A WIFI AMD B840 mATX motherboard
Price (new) (differs)	£134.99as of 20 Sep, 06:21	£145.99as of 20 Sep, 06:22	£109.99as of 20 Sep, 06:21
RRP (differs)	£173.21	£190.00	£193.79
Price badge (differs)	30-day low	Lowest we've recorded	not stated
First available on Amazon (differs)	Jan 2025 (1 yr 8 mo old)	Apr 2025 (1 yr 4 mo old)	Jan 2025 (1 yr 8 mo old)
Brand (differs)	ASUS	Gigabyte	ASUS
RAM slots (differs)	not stated	4	not stated
Fastest RAM speed stated (differs)	not stated	8,200 MT/s	not stated
M.2 slots (differs)	3	2	3
WiFi (differs)	None named in the listing title	WiFi 6E	WiFi 6E
Fastest USB-C port (differs)	5 Gbps	not stated	5 Gbps
Power phases (as stated by the maker) (differs)	not stated	10+2+2	not stated
BIOS flashback (differs)	Yes	not stated	Yes
Debug LED / POST code (differs)	Yes	not stated	Yes
ARGB headers (differs)	Yes	not stated	Yes
Video outputs (differs)	HDMI, DisplayPort	not stated	HDMI, DisplayPort
Amazon sales rank (differs)	#110,665	#95,184	#30,096
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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