Between the S90TR and HW-Q990D, the S90TR comes out ahead in several specs, while the HW-Q990D wins on total power. Overall, the S90TR scores 69.5 and the HW-Q990D scores 74.9 on our Mars Score.
Which should you buy?
The HW-Q990D edges ahead on the Mars Score (69.5 vs 74.9), but the 5.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The S90TR 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 total power. Its strongest claims are total power.
Both ship with comparable dolby atmos, earc, subwoofer included, 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.
Why LG - S90TR wins
- No decisive advantages.
Why Samsung - HW-Q990D wins
- ▲Total power — 15.09% more. 656 W vs 570 W.
Spec comparison
Audio
| Spec | LG - S90TR | Samsung - HW-Q990D |
|---|---|---|
| Channels | 7.1.3 | 11.1.4 |
| Total power | 570 W | 656 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | true | true |
Connectivity
| Spec | LG - S90TR | Samsung - HW-Q990D |
|---|---|---|
| HDMI inputs | 2 | 2 |
| eARCⓘ | true | true |
| Subwoofer included | true | true |
Spec-level deep dives
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