Between the Prime Z890-P and B850 AORUS Pro, the Prime Z890-P comes out ahead in m.2 slots, while the B850 AORUS Pro wins on wi-fi 7. Overall, the Prime Z890-P scores 65 and the B850 AORUS Pro scores 59.2 on our Mars Score.
Which should you buy?
The Prime Z890-P edges ahead on the Mars Score (65 vs 59.2), but the 5.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Prime Z890-P if you care most about m.2 slots. The biggest gaps in its favor are m.2 slots.
Pick the B850 AORUS Pro if you care most about wi-fi 7. Its strongest claims are wi-fi 7.
Both ship with comparable max memory, ram slots, pcie slots, so those specs don't separate the two — focus on the differences below.
Bottom line: the Prime Z890-P is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why ASUS - Prime Z890-P wins
- ▲M.2 slots — 1.00 more. 4 vs 3.
Why Gigabyte - B850 AORUS Pro wins
- ▲Has Wi-Fi 7.
Spec comparison
Platform
| Spec | ASUS - Prime Z890-P | Gigabyte - B850 AORUS Pro |
|---|---|---|
| Socketⓘ | LGA1851 | AM5 |
| Chipset | Z890 | B850 |
| Form factor | ATX | ATX |
Expansion
| Spec | ASUS - Prime Z890-P | Gigabyte - B850 AORUS Pro |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GB | 192 GB |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 4lead | 3 |
I/O
| Spec | ASUS - Prime Z890-P | Gigabyte - B850 AORUS Pro |
|---|---|---|
| USB ports | 10 | 10 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | false | truelead |
Frequently asked
Spec-level deep dives
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