Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	B850M Challenger AM5 mATX HDMI/DP	ASRock B850M Rock WiFi Socket AM5 Micro-ATX Motherboard
Price (new) (differs)	£145.62as of 6 Nov, 00:22	£144.04as of 6 Nov, 00:22
RRP (differs)	not stated	£270.99
First available on Amazon (differs)	Feb 2026 (8 mo old)	Jan 2026 (9 mo old)
RAM slots (differs)	4	2
Fastest RAM speed stated (differs)	8,000 MT/s	8,200 MT/s
M.2 slots (differs)	not stated	1
WiFi (differs)	None named in the listing title	WiFi 6E
Bluetooth (differs)	not stated	5.3
Power phases (as stated by the maker) (differs)	8+1+1	6+1+1
Audio codec (differs)	ALC897	not stated
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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