Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - Prime Z890-P | Gigabyte - X870 AORUS Master |
|---|---|---|
| Max memory | 192 GB | 256 GB |
| Wi-Fi 7 | false | true |
Between the Prime Z890-P and X870 AORUS Master, the Prime Z890-P comes out ahead in several specs, while the X870 AORUS Master wins on max memory / wi-fi 7. Overall, the Prime Z890-P scores 65 and the X870 AORUS Master scores 69.1 on our Mars Score.
Which should you buy?
The X870 AORUS Master edges ahead on the Mars Score (65 vs 69.1), but the 4.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Prime Z890-P does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the X870 AORUS Master if you care most about max memory / wi-fi 7. Its strongest claims are max memory, wi-fi 7. The single most decisive one: Max memory — 33.33% more. 256 GB vs 192 GB.
Both ship with comparable m.2 slots, ram slots, pcie slots, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: ASUS - Prime Z890-P or Gigabyte - X870 AORUS Master?
Gigabyte - X870 AORUS Master leads the current Mars Score by 4.1 points.The more useful decision is the trade-off behind that result: compare max memory against the way you will actually use the product.
Choose ASUS - Prime Z890-P if…
ASUS - Prime Z890-P does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Gigabyte - X870 AORUS Master if…
Gigabyte - X870 AORUS Master has the measurable edge on max memory gb, has wifi 7.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why ASUS - Prime Z890-P wins
- No decisive advantages.
Why Gigabyte - X870 AORUS Master wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
- ▲Has Wi-Fi 7.
Spec comparison
Platform
Expansion
| Spec | ASUS - Prime Z890-P | Gigabyte - X870 AORUS Master |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GB | 256 GBlead |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 4 | 4 |
I/O
| Spec | ASUS - Prime Z890-P | Gigabyte - X870 AORUS Master |
|---|---|---|
| USB ports | 10 | 14lead |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | false | truelead |