Compare Motherboards

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Motherboard	$139⁹⁹	$179⁹⁹
Chipset	AMD B850	AMD X870
Socket	AM5	AM5
Form Factor	ATX	ATX
Max Memory	256 GB	256 GB
Memory Type	DDR5	DDR5
Memory Slots	4	4
ECC Memory Support	No	No
PCIe x16 Slots	2	2
PCIe x16 4.0 Slots	2	2
M.2 Slots	6	4
M.2 Slot Specifics	2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2230-2242M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)	2280M (PCIe4.0x4) 2230-2260M (PCIe4.0x4) 2280M (PCIe4.0x4) 2260-2280M (PCIe4.0x4) 2280M (PCIe4.0x4) 2280E (PCIe4.0x4)
SATA Ports	4	6
USB 2.0 Headers	2	2
USB 3.2 Headers	2	2
WiFi	802.11 ax	802.11 ax
Ethernet Speed	2.5 Gbps	2.5 Gbps
Audio Chipset	Realtek	Realtek
Audio Channels	7.1	7.1
Optical S/PDIF Out	No	Yes
BIOS Flashback	No	No
Color	Dark	Dark
Supported CPUs	AMD Ryzen 7000, 8000, 9000	AMD Ryzen 7000, 8000, 9000
M.2 Heatsink/Shields	Yes	Yes
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Comparison Analysis

Comparing the B850 Pro RS WiFi vs X870 Phantom Gaming Riptide WiFi reveals distinct differences in their targeted use cases.

The B850 Pro RS WiFi is the more budget-friendly option, costing approximately $40 (29%) less than the X870 Phantom Gaming Riptide WiFi.