Between the Prime Z890-P and MPG X870E Carbon WiFi, the Prime Z890-P comes out ahead in several specs, while the MPG X870E Carbon WiFi wins on max memory and wi-fi 7. Overall, the Prime Z890-P scores 65 and the MPG X870E Carbon WiFi scores 69.1 on our Mars Score.
Which should you buy?
The MPG X870E Carbon WiFi 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 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the MPG X870E Carbon WiFi if you care most about max memory and wi-fi 7. Its strongest claims are max memory, wi-fi 7.
Both ship with comparable m.2 slots, ram slots, pcie slots, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.
Why ASUS - Prime Z890-P wins
- No decisive advantages.
Why MSI - MPG X870E Carbon WiFi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
- ▲Has Wi-Fi 7.
Spec comparison
Platform
| Spec | ASUS - Prime Z890-P | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| Socketⓘ | LGA1851 | AM5 |
| Chipset | Z890 | X870E |
| Form factor | ATX | ATX |
Expansion
| Spec | ASUS - Prime Z890-P | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| 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 | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| USB ports | 10 | 12lead |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | false | truelead |
Frequently asked
Spec-level deep dives
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