MSI - MAG B850 Tomahawk vs MSI - MPG X870E Carbon WiFi
Between the MAG B850 Tomahawk and MPG X870E Carbon WiFi, the MAG B850 Tomahawk comes out ahead in several specs, while the MPG X870E Carbon WiFi wins on max memory. Overall, the MAG B850 Tomahawk 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 MAG B850 Tomahawk 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. Its strongest claims are max memory.
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 MSI - MAG B850 Tomahawk wins
- No decisive advantages.
Why MSI - MPG X870E Carbon WiFi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
Spec comparison
Platform
| Spec | MSI - MAG B850 Tomahawk | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| Socketⓘ | AM5 | AM5 |
| Chipset | B850 | X870E |
| Form factor | ATX | ATX |
Expansion
| Spec | MSI - MAG B850 Tomahawk | 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 | MSI - MAG B850 Tomahawk | MSI - MPG X870E Carbon WiFi |
|---|---|---|
| USB ports | 10 | 12lead |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | true | true |
Frequently asked
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.