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 doesn't 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 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.
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 |
Frequently asked
Spec-level deep dives
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