Between the X870 AORUS Master and MEG Z890 Ace, the X870 AORUS Master comes out ahead in max memory, while the MEG Z890 Ace wins on m.2 slots. Overall, the X870 AORUS Master scores 69.1 and the MEG Z890 Ace scores 76.2 on our Mars Score.
Which should you buy?
The MEG Z890 Ace edges ahead on the Mars Score (69.1 vs 76.2), but the 7.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the X870 AORUS Master if you care most about max memory. The biggest gaps in its favor are max memory.
Pick the MEG Z890 Ace if you care most about m.2 slots. Its strongest claims are m.2 slots.
Both ship with comparable ram slots, pcie slots, wi-fi 7, so those specs don't separate the two — focus on the differences below.
Bottom line: the MEG Z890 Ace is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Gigabyte - X870 AORUS Master wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
Why MSI - MEG Z890 Ace wins
- ▲M.2 slots — 2.00 more. 6 vs 4.
Spec comparison
Platform
| Spec | Gigabyte - X870 AORUS Master | MSI - MEG Z890 Ace |
|---|---|---|
| Socketⓘ | AM5 | LGA1851 |
| Chipset | X870 | Z890 |
| Form factor | ATX | E-ATXlead |
Expansion
| Spec | Gigabyte - X870 AORUS Master | MSI - MEG Z890 Ace |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 256 GBlead | 192 GB |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 4 | 6lead |
I/O
| Spec | Gigabyte - X870 AORUS Master | MSI - MEG Z890 Ace |
|---|---|---|
| USB ports | 14 | 14 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | true | true |
Frequently asked
Spec-level deep dives
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