ASUS - ROG Crosshair X870E Hero vs MSI - MAG B650 Tomahawk WiFi
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - ROG Crosshair X870E Hero | MSI - MAG B650 Tomahawk WiFi |
|---|---|---|
| Max memory | 192 GB | 128 GB |
| M.2 slots | 5 | 3 |
| PCIe slots | 4 | 3 |
| Wi-Fi 7 | true | false |
Between the ROG Crosshair X870E Hero and MAG B650 Tomahawk WiFi, the ROG Crosshair X870E Hero comes out ahead in max memory / m.2 slots, while the MAG B650 Tomahawk WiFi wins on several specs. Overall, the ROG Crosshair X870E Hero scores 70.7 and the MAG B650 Tomahawk WiFi scores 54.8 on our Mars Score.
Which should you buy?
The ROG Crosshair X870E Hero is the clear pick on raw spec strength, leading by 15.9 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.
Pick the ROG Crosshair X870E Hero if you care most about max memory / m.2 slots. The biggest gaps in its favor are max memory, m.2 slots, pcie slots, among others. The single most decisive one: Max memory — 50.00% more. 192 GB vs 128 GB.
The MAG B650 Tomahawk WiFi similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable ram slots, so those specs do not separate the two — focus on the differences below.
Bottom line: the ROG Crosshair X870E Hero 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: ASUS - ROG Crosshair X870E Hero or MSI - MAG B650 Tomahawk WiFi?
ASUS - ROG Crosshair X870E Hero leads the current Mars Score by 15.9 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 ASUS - ROG Crosshair X870E Hero if…
ASUS - ROG Crosshair X870E Hero has the measurable edge on max memory gb, m2 slots, pcie slots.
Choose MSI - MAG B650 Tomahawk WiFi if…
MSI - MAG B650 Tomahawk WiFi does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Crosshair X870E Hero wins
- ▲Max memory — 50.00% more. 192 GB vs 128 GB.
- ▲M.2 slots — 2.00 more. 5 vs 3.
- ▲PCIe slots — 1.00 more. 4 vs 3.
- ▲Has Wi-Fi 7.
Why MSI - MAG B650 Tomahawk WiFi wins
- No decisive advantages.
Spec comparison
Platform
Expansion
| Spec | ASUS - ROG Crosshair X870E Hero | MSI - MAG B650 Tomahawk WiFi |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 192 GBlead | 128 GB |
| PCIe slots | 4lead | 3 |
| M.2 slotsⓘ | 5lead | 3 |
I/O
| Spec | ASUS - ROG Crosshair X870E Hero | MSI - MAG B650 Tomahawk WiFi |
|---|---|---|
| USB ports | 14lead | 10 |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | truelead | false |