Between the Z890 Eagle and MAG B850 Tomahawk, the Z890 Eagle comes out ahead in several specs, while the MAG B850 Tomahawk wins on m.2 slots and wi-fi 7. Overall, the Z890 Eagle scores 59.2 and the MAG B850 Tomahawk scores 65 on our Mars Score.
Which should you buy?
The MAG B850 Tomahawk edges ahead on the Mars Score (59.2 vs 65), but the 5.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The Z890 Eagle 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 MAG B850 Tomahawk if you care most about m.2 slots and wi-fi 7. Its strongest claims are m.2 slots, wi-fi 7.
Both ship with comparable max memory, ram slots, pcie slots, so those specs don't separate the two — focus on the differences below.
Bottom line: the MAG B850 Tomahawk is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Gigabyte - Z890 Eagle wins
- No decisive advantages.
Why MSI - MAG B850 Tomahawk wins
- ▲M.2 slots — 1.00 more. 4 vs 3.
- ▲Has Wi-Fi 7.
Spec comparison
Platform
| Spec | Gigabyte - Z890 Eagle | MSI - MAG B850 Tomahawk |
|---|---|---|
| Socketⓘ | LGA1851 | AM5 |
| Chipset | Z890 | B850 |
| Form factor | ATX | ATX |
Expansion
| Spec | Gigabyte - Z890 Eagle | MSI - MAG B850 Tomahawk |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GB | 192 GB |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 3 | 4lead |
I/O
| Spec | Gigabyte - Z890 Eagle | MSI - MAG B850 Tomahawk |
|---|---|---|
| USB ports | 10 | 10 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | false | truelead |
Frequently asked
Spec-level deep dives
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