Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Bose - Smart Ultra Soundbar | Samsung - HW-Q990D |
|---|---|---|
| Subwoofer included | false | true |
| Total power | 0 W | 656 W |
Between the Smart Ultra Soundbar and HW-Q990D, the Smart Ultra Soundbar comes out ahead in several specs, while the HW-Q990D wins on subwoofer included / total power. Overall, the Smart Ultra Soundbar scores 68.3 and the HW-Q990D scores 85.1 on our Mars Score.
Which should you buy?
The HW-Q990D is the clear pick on raw spec strength, leading by 16.8 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.
The Smart Ultra Soundbar does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the HW-Q990D if you care most about subwoofer included / total power. Its strongest claims are subwoofer included, total power. The single most decisive one: Has Subwoofer included.
Both ship with comparable dolby atmos, earc, so those specs do not 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.
Which should you buy: Bose - Smart Ultra Soundbar or Samsung - HW-Q990D?
Samsung - HW-Q990D leads the current Mars Score by 16.8 points.The more useful decision is the trade-off behind that result: compare total power, subwoofer included against the way you will actually use the product.
Choose Bose - Smart Ultra Soundbar if…
Bose - Smart Ultra Soundbar does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Samsung - HW-Q990D if…
Samsung - HW-Q990D has the measurable edge on subwoofer included, total w.
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 Bose - Smart Ultra Soundbar wins
- No decisive advantages.
Why Samsung - HW-Q990D wins
- ▲Has Subwoofer included.
- ▲Total power: 656 W vs 0 W.
Spec comparison
Audio
| Spec | Bose - Smart Ultra Soundbar | Samsung - HW-Q990D |
|---|---|---|
| Channels | 5.1.2 | 11.1.4 |
| Total power | 0 W | 656 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | false | truelead |
Connectivity
| Spec | Bose - Smart Ultra Soundbar | Samsung - HW-Q990D |
|---|---|---|
| HDMI inputs | 1 | 2lead |
| eARCⓘ | true | true |
| Subwoofer included | false | truelead |