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ASRock B850M Pro-A WiFi vs ASUS Prime B650M-A WiFi II: Comparison
What is the difference between ASRock B850M Pro-A WiFi and ASUS Prime B650M-A WiFi II?
Start with max memory, because it is the widest measured gap between them: ASRock B850M Pro-A WiFi 256 GB against ASUS Prime B650M-A WiFi II 192 GB, 25% in favour of ASRock B850M Pro-A WiFi. M.2 slots runs the same way, 3 on the ASRock B850M Pro-A WiFi versus 2 on the ASUS Prime B650M-A WiFi II, another win for ASRock B850M Pro-A WiFi. There is a split on ecc memory support as well, Unbuffered ECC on the ASRock B850M Pro-A WiFi versus None on the ASUS Prime B650M-A WiFi II.
Which should you buy, ASRock B850M Pro-A WiFi or ASUS Prime B650M-A WiFi II?
The ASRock B850M Pro-A WiFi suits compact micro-ATX builds that don't need heavy overclocking headroom, though it is not the pick for overclockers who need more than an 8+2+1 phase VRM and builds that want Wi-Fi 7 instead of Wi-Fi 6E. The same goes for budget AM5 builds that still want a PCIe 5.0 M.2 slot. The ASUS Prime B650M-A WiFi II is the one to take for builders who don't need Wi-Fi 6E or 6GHz band support, though it is not built for anyone who wants Wi-Fi 6E or Wi-Fi 7 and builds needing more than 192GB total memory capacity. It also earns its place with budget micro-ATX builds that want a PCIe 5.0 M.2 slot for future upgrades.
What ASRock B850M Pro-A WiFi and ASUS Prime B650M-A WiFi II have in common
Where they agree, they agree completely, socket, memory slots, form factor, platform and newest cpu family supported included, so the decision does not turn on any of those. They match on 12 further specifications as well.
Frequently asked questions
Do the ASRock B850M Pro-A WiFi and ASUS Prime B650M-A WiFi II differ on chipset?
Yes. Chipset reads B850 on the ASRock B850M Pro-A WiFi versus B650 on the ASUS Prime B650M-A WiFi II.
Is the Oldest CPU Family Supported the same on the ASRock B850M Pro-A WiFi and ASUS Prime B650M-A WiFi II?
It is. Both are listed at Ryzen 7000, so it is not a reason to pick one over the other.
Specs and benchmarks
Platform
- ASRock B850M Pro-A WiFi
- AMD
- ASUS Prime B650M-A WiFi II
- AMD
Model Number
- ASRock B850M Pro-A WiFi
- B850M Pro-A WiFi
- ASUS Prime B650M-A WiFi II
- Prime B650M-A WiFi II
Socket
- ASRock B850M Pro-A WiFi
- AMD Ryzen 9000 / 8000 / 7000 series
- ASUS Prime B650M-A WiFi II
- AMD Ryzen 9000 / 8000 / 7000 series
Form Factor
- ASRock B850M Pro-A WiFi
- Micro-ATX
- ASUS Prime B650M-A WiFi II
- Micro-ATX
Chipset
- ASRock B850M Pro-A WiFi
- B850
- ASUS Prime B650M-A WiFi II
- B650
Newest CPU Family Supported
- ASRock B850M Pro-A WiFi
- Ryzen 9000
- ASUS Prime B650M-A WiFi II
- Ryzen 9000
Memory Type
- ASRock B850M Pro-A WiFi
- 4x DDR5 DIMM, up to 256GB, up to 8000+ MT/s (OC)
- ASUS Prime B650M-A WiFi II
- 4x DDR5 DIMM, up to 192GB, up to 7600+ MT/s (OC)
Oldest CPU Family Supported
- ASRock B850M Pro-A WiFi
- Ryzen 7000
- ASUS Prime B650M-A WiFi II
- Ryzen 7000
Memory Slots
- ASRock B850M Pro-A WiFi
- 4
- ASUS Prime B650M-A WiFi II
- 4
Max Memory
- ASRock B850M Pro-A WiFi
- 256 GBBest
- ASUS Prime B650M-A WiFi II
- 192 GB-25%
M.2 Slots
- ASRock B850M Pro-A WiFi
- 3Best
- ASUS Prime B650M-A WiFi II
- 2-33%
PCIe 5.0 Support
- ASRock B850M Pro-A WiFi
- Yes
- ASUS Prime B650M-A WiFi II
- No
Wi-Fi Onboard
- ASRock B850M Pro-A WiFi
- Yes
- ASUS Prime B650M-A WiFi II
- Yes
Max Rated Memory Speed
- ASRock B850M Pro-A WiFi
- 8000 MT/sBest
- ASUS Prime B650M-A WiFi II
- 7600 MT/s
ECC Memory Support
- ASRock B850M Pro-A WiFi
- Unbuffered ECC
- ASUS Prime B650M-A WiFi II
- None
M.2 Slots Onboard
- ASRock B850M Pro-A WiFi
- 3
- ASUS Prime B650M-A WiFi II
- 2
M.2 PCIe 5.0 Slots
- ASRock B850M Pro-A WiFi
- 1
- ASUS Prime B650M-A WiFi II
- 1
M.2 PCIe 4.0 Slots
- ASRock B850M Pro-A WiFi
- 2
- ASUS Prime B650M-A WiFi II
- 1
SATA Ports
- ASRock B850M Pro-A WiFi
- 4
- ASUS Prime B650M-A WiFi II
- 4
PCIe x16 Slots
- ASRock B850M Pro-A WiFi
- 1
- ASUS Prime B650M-A WiFi II
- 1
Primary Graphics Slot Gen
- ASRock B850M Pro-A WiFi
- PCIe 5.0
- ASUS Prime B650M-A WiFi II
- PCIe 4.0
Rear USB 10Gbps Ports
- ASRock B850M Pro-A WiFi
- 2
- ASUS Prime B650M-A WiFi II
- 2
Rear USB 5Gbps Ports
- ASRock B850M Pro-A WiFi
- 2
- ASUS Prime B650M-A WiFi II
- 2
Rear USB 2.0 Ports
- ASRock B850M Pro-A WiFi
- 4
- ASUS Prime B650M-A WiFi II
- 4
Vcore Power Stages
- ASRock B850M Pro-A WiFi
- 8
- ASUS Prime B650M-A WiFi II
- Not officially disclosed by ASUS
EPS 12V Configuration
- ASRock B850M Pro-A WiFi
- 8-pin plus 4-pin
- ASUS Prime B650M-A WiFi II
- 8-pin plus 4-pin
Max Ethernet Speed
- ASRock B850M Pro-A WiFi
- 2.5 Gbps
- ASUS Prime B650M-A WiFi II
- 2.5 Gbps
Ethernet Port Count
- ASRock B850M Pro-A WiFi
- 1
- ASUS Prime B650M-A WiFi II
- 1
Wi-Fi Standard
- ASRock B850M Pro-A WiFi
- Wi-Fi 6E
- ASUS Prime B650M-A WiFi II
- Wi-Fi 6
Bluetooth Version
- ASRock B850M Pro-A WiFi
- 5.2
- ASUS Prime B650M-A WiFi II
- 5.2
Audio Codec
- ASRock B850M Pro-A WiFi
- Realtek ALC897, 7.1-channel
- ASUS Prime B650M-A WiFi II
- Realtek 7.1 surround, 24-bit/192kHz
Expansion
- ASRock B850M Pro-A WiFi
- PCIe 5.0 x16 + PCIe 4.0 x4
- ASUS Prime B650M-A WiFi II
- PCIe 4.0 x16 + 2x PCIe 4.0 x16 (x1)
Connectivity
- ASRock B850M Pro-A WiFi
- SATA3, USB 3.2
- ASUS Prime B650M-A WiFi II
- 4x SATA 6Gb/s
Networking
- ASRock B850M Pro-A WiFi
- 2.5G LAN, Wi-Fi 6E
- ASUS Prime B650M-A WiFi II
- Realtek 2.5Gb LAN, Wi-Fi 6, Bluetooth 5.2
Special Features
- ASRock B850M Pro-A WiFi
- 3x M.2 (1x Gen5 Blazing, 2x Gen4 Hyper)
- ASUS Prime B650M-A WiFi II
- 2x M.2 (1x Gen5 primary, 1x Gen4)
Which one should you pick?
Choose ASRock B850M Pro-A WiFi if you want the higher memory slots (4 vs 4), the higher max memory (256 GB vs 192 GB) and the higher M.2 slots (3 vs 2).
Choose ASUS Prime B650M-A WiFi II if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | ASRock B850M Pro-A WiFi | ASUS Prime B650M-A WiFi II |
|---|---|---|
| Amazon | View on Amazon | View on Amazon |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.