Compare 2 motherboards

Side-by-side comparison of 2 motherboards

Specification	ASUS PRIME B850M-F AMD AM5 Socket DDR5 8200MHz OC Supported mATX…	ASUS Prime B850M-K Gaming Motherboard Socket AMD AM5
Price (new) (differs)	£114.14as of 20 Sep, 06:22	£118.99as of 20 Sep, 06:21
RRP (differs)	£129.99	£199.99
First available on Amazon (differs)	Jan 2024 (2 yr 8 mo old)	Apr 2025 (1 yr 5 mo old)
Fastest RAM speed stated (differs)	8,200 MT/s	not stated
M.2 slots (differs)	not stated	2
Newest PCIe generation stated (differs)	PCIe 4.0	PCIe 5.0
PCIe 5.0 graphics slot (differs)	not stated	Yes
PCIe 5.0 M.2 slot (differs)	not stated	Yes
Wired LAN (differs)	not stated	2.5GbE
Fastest USB-C port (differs)	not stated	5 Gbps
Power phases (as stated by the maker) (differs)	not stated	8+2+1
BIOS flashback (differs)	not stated	Yes
ARGB headers (differs)	not stated	Yes
Video outputs (differs)	HDMI	not stated
Amazon sales rank (differs)	#120,366	#14,479
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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