Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | LG - S95TR | Samsung - HW-Q990D |
|---|---|---|
| Total power | 810 W | 656 W |
Between the S95TR and HW-Q990D, the S95TR comes out ahead in total power, while the HW-Q990D wins on several specs. Overall, the S95TR scores 91.5 and the HW-Q990D scores 88.6 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (91.5 vs 88.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the S95TR if you care most about total power. The biggest gaps in its favor are total power. The single most decisive one: Total power — 23.48% more. 810 W vs 656 W.
The HW-Q990D similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable dolby atmos, earc, subwoofer included, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: LG - S95TR or Samsung - HW-Q990D?
LG - S95TR leads the current Mars Score by 2.9 points.The more useful decision is the trade-off behind that result: compare total power against the way you will actually use the product.
Choose LG - S95TR if…
LG - S95TR has the measurable edge on total w.
Choose Samsung - HW-Q990D if…
Samsung - HW-Q990D does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 LG - S95TR wins
- ▲Total power — 23.48% more. 810 W vs 656 W.
Why Samsung - HW-Q990D wins
- No decisive advantages.
Spec comparison
Audio
| Spec | LG - S95TR | Samsung - HW-Q990D |
|---|---|---|
| Channels | 9.1.5 | 11.1.4 |
| Total power | 810 Wlead | 656 W |
| Dolby Atmosⓘ | true | true |
| DTS:X | true | true |
Connectivity
| Spec | LG - S95TR | Samsung - HW-Q990D |
|---|---|---|
| HDMI inputs | 2 | 2 |
| eARCⓘ | true | true |
| Subwoofer included | true | true |