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Gigabyte Z890 Aorus Master — LGA1851 · Z890
Gigabyte

Gigabyte Z890 Aorus Master

LGA1851 · Z890

88
/ 100
From $599
VS
ASRock B850I Lightning Wi-Fi — AM5 ITX · USB4 · Wi-Fi 7
ASRock

ASRock B850I Lightning Wi-Fi

AM5 ITX · USB4 · Wi-Fi 7

88
/ 100
From $299
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Gigabyte Z890 Aorus Master lands at 88 and ASRock B850I Lightning Wi-Fi at 88. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Gigabyte Z890 Aorus Master 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)
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Features

ASRock B850I Lightning Wi-Fi

Compared on the features sub-score

ASRock B850I Lightning Wi-Fi leads on features (92 vs 86).

VRM quality

Gigabyte Z890 Aorus Master

Compared on the VRM quality sub-score

Gigabyte Z890 Aorus Master leads on vrm (88 vs 86).

Value for money

ASRock B850I Lightning Wi-Fi

Specdex score per dollar at MSRP

ASRock B850I Lightning Wi-Fi more score per dollar ($299 vs $599).

Gigabyte Z890 Aorus Master 88
vs
88 ASRock B850I Lightning Wi-Fi

Score breakdown

Gigabyte Z890 Aorus Master
88
vrm 88
features 86
bios 84
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

Gigabyte Z890 Aorus Master versus ASRock B850I Lightning Wi-Fi — full spec comparison
Spec Gigabyte Z890 Aorus Master ASRock B850I Lightning Wi-Fi
Socket
LGA1851
AM5
Chipset
Z890
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

Gigabyte Z890 Aorus Master

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: Gigabyte Z890 Aorus Master vs ASRock B850I Lightning Wi-Fi

Which is better, Gigabyte Z890 Aorus Master or ASRock B850I Lightning Wi-Fi? +

Both score 88 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Gigabyte Z890 Aorus Master worth the price? +

At $599, Gigabyte Z890 Aorus Master delivers a Specdex score of 88 — 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 Gigabyte Z890 Aorus Master 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.

Which is better for features, Gigabyte Z890 Aorus Master or ASRock B850I Lightning Wi-Fi? +

ASRock B850I Lightning Wi-Fi — leads on features (92 vs 86). Compared on the features sub-score.

Which is better for VRM quality, Gigabyte Z890 Aorus Master or ASRock B850I Lightning Wi-Fi? +

Gigabyte Z890 Aorus Master — leads on vrm (88 vs 86). Compared on the VRM quality sub-score.