Samsung - HW-Q990D vs Sonos - Arc Ultra

The HW-Q990D is the clear pick on raw spec strength, leading by 39.9 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 HW-Q990D if you care most about subwoofer included and total power. The biggest gaps in its favor are subwoofer included, total power.

The Arc Ultra similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

Both ship with comparable dolby atmos, earc, so those specs don't separate the two — focus on the differences below.

Bottom line: the HW-Q990D is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.