Gigabyte - B850 AORUS Pro 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 | Gigabyte - B850 AORUS Pro | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| Max memory | 192 GB | 256 GB |
| M.2 slots | 3 | 4 |
Between the B850 AORUS Pro and MPG X870E Carbon WiFi, the B850 AORUS Pro comes out ahead in several specs, while the MPG X870E Carbon WiFi wins on max memory / m.2 slots. Overall, the B850 AORUS Pro scores 59.2 and the MPG X870E Carbon WiFi scores 69.1 on our Mars Score.
Which should you buy?
The MPG X870E Carbon WiFi is the clear pick on raw spec strength, leading by 9.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The B850 AORUS Pro 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 MPG X870E Carbon WiFi if you care most about max memory / m.2 slots. Its strongest claims are max memory, m.2 slots. 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: the MPG X870E Carbon WiFi is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Gigabyte - B850 AORUS Pro or MSI - MPG X870E Carbon WiFi?
MSI - MPG X870E Carbon WiFi leads the current Mars Score by 9.9 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 Gigabyte - B850 AORUS Pro if…
Gigabyte - B850 AORUS Pro does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose MSI - MPG X870E Carbon WiFi if…
MSI - MPG X870E Carbon WiFi has the measurable edge on max memory gb, m2 slots.
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 Gigabyte - B850 AORUS Pro wins
- No decisive advantages.
Why MSI - MPG X870E Carbon WiFi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
- ▲M.2 slots — 1.00 more. 4 vs 3.
Spec comparison
Platform
Expansion
| Spec | Gigabyte - B850 AORUS Pro | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GB | 256 GBlead |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 3 | 4lead |
I/O
| Spec | Gigabyte - B850 AORUS Pro | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| USB ports | 10 | 12lead |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | true | true |