ASUS - ROG Ally Z1 Extreme vs Valve - Steam Deck LCD 256GB

The ROG Ally Z1 Extreme is the clear pick on raw spec strength, leading by 8.5 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 Ally Z1 Extreme if you care most about storage and max refresh. The biggest gaps in its favor are storage, max refresh, ray tracing, among others.

The Steam Deck LCD 256GB similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

Both ship with comparable ram, max resolution, disc drive, so those specs don't separate the two — focus on the differences below.

Bottom line: the ROG Ally Z1 Extreme is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.