ASUS - ROG Strix Z890-E vs MSI - MPG X870E Carbon WiFi
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - ROG Strix Z890-E | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| Max memory | 192 GB | 256 GB |
| M.2 slots | 5 | 4 |
Between the ROG Strix Z890-E and MPG X870E Carbon WiFi, the ROG Strix Z890-E comes out ahead in m.2 slots, while the MPG X870E Carbon WiFi wins on max memory. Overall, the ROG Strix Z890-E scores 70.7 and the MPG X870E Carbon WiFi scores 69.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (70.7 vs 69.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the ROG Strix Z890-E if you care most about m.2 slots. The biggest gaps in its favor are m.2 slots. The single most decisive one: M.2 slots — 1.00 more. 5 vs 4.
Pick the MPG X870E Carbon WiFi if you care most about max memory. Its strongest claims are max memory. The single most decisive one: Max memory — 33.33% more. 256 GB vs 192 GB.
Both ship with comparable ram slots, pcie slots, wi-fi 7, 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 - ROG Strix Z890-E or MSI - MPG X870E Carbon WiFi?
ASUS - ROG Strix Z890-E leads the current Mars Score by 1.6 points.The more useful decision is the trade-off behind that result: compare m.2 slots, max memory against the way you will actually use the product.
Choose ASUS - ROG Strix Z890-E if…
ASUS - ROG Strix Z890-E has the measurable edge on m2 slots.
Choose MSI - MPG X870E Carbon WiFi if…
MSI - MPG X870E Carbon WiFi has the measurable edge on max memory gb.
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 - ROG Strix Z890-E wins
- ▲M.2 slots — 1.00 more. 5 vs 4.
Why MSI - MPG X870E Carbon WiFi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
Spec comparison
Platform
Expansion
| Spec | ASUS - ROG Strix Z890-E | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GB | 256 GBlead |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 5lead | 4 |
I/O
| Spec | ASUS - ROG Strix Z890-E | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| USB ports | 12 | 12 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | true | true |