ASUS
ASUS ROG Maximus Z790 Hero
LGA1700 · Z790
90
/ 100
From $629
VS
ASUS ROG Maximus Z790 Hero wins by 2
ASRock
ASRock B850I Lightning Wi-Fi
AM5 ITX · USB4 · Wi-Fi 7
88
/ 100
From $299
Specdex verdict
ASUS ROG Maximus Z790 Hero takes it — here’s why.
In our weighted Specdex score, ASUS ROG Maximus Z790 Hero lands at 90 and ASRock B850I Lightning Wi-Fi at 88. That puts ASUS ROG Maximus Z790 Hero ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick ASUS ROG Maximus Z790 Hero if…
- ✓PCIe 5.0 support
- ✓Current-gen networking
- ✓Modern I/O
Pick ASRock B850I Lightning Wi-Fi if…
- ✓Mini-ITX with USB4 + Wi-Fi 7
- ✓Strong VRM for ITX
- ✓Two M.2 slots (one PCIe 5.0)
ASUS ROG Maximus Z790 Hero 90
vs 88 ASRock B850I Lightning Wi-Fi
Score breakdown
ASUS ROG Maximus Z790 Hero
90 vrm 90
features 88
bios 86
value 84
ease 0
software 0
ASRock B850I Lightning Wi-Fi
88 vrm 86
features 92
bios 0
value 88
ease 88
software 80
Specs side-by-side
| Spec | ASUS ROG Maximus Z790 Hero | ASRock B850I Lightning Wi-Fi |
|---|---|---|
| Socket | LGA1700 | AM5 |
| Chipset | Z790 | AMD B850 |
| VRM | — | 14+2 phase |
| RAM | — | 2× DDR5 up to 8000 MT/s OC |
| PCIe slots | — | 1× PCIe 5.0 x16 |
| M.2 | — | 2× (1× PCIe 5.0) |
| USB | — | 1× USB4, 5× USB 3.2 Gen 2 |
| Network | — | 2.5 GbE + Wi-Fi 7 |
| Form factor | — | Mini-ITX |
ASUS ROG Maximus Z790 Hero
Pros
- +PCIe 5.0 support
- +Current-gen networking
- +Modern I/O
Cons
- −Firmware updates on launch
- −DDR5 required
- −Pricing varies week to week
ASRock B850I Lightning Wi-Fi
Pros
- +Mini-ITX with USB4 + Wi-Fi 7
- +Strong VRM for ITX
- +Two M.2 slots (one PCIe 5.0)
Cons
- −Two RAM slots only (ITX limitation)
- −Limited fan headers
- −Premium for ITX
FAQ: ASUS ROG Maximus Z790 Hero vs ASRock B850I Lightning Wi-Fi
Which is better, ASUS ROG Maximus Z790 Hero or ASRock B850I Lightning Wi-Fi? +
ASUS ROG Maximus Z790 Hero scores 90 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is ASUS ROG Maximus Z790 Hero worth the price? +
At $629, ASUS ROG Maximus Z790 Hero delivers a Specdex score of 90 — strongest in vrm.
Is ASRock B850I Lightning Wi-Fi worth the price? +
At $299, ASRock B850I Lightning Wi-Fi delivers a Specdex score of 88 — strongest in features.
Does ASUS ROG Maximus Z790 Hero or ASRock B850I Lightning Wi-Fi last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.