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 89.5 and the HW-Q990D scores 85.1 on our Mars Score.
Which should you buy?
The S95TR edges ahead on the Mars Score (89.5 vs 85.1), but the 4.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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 4.4 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 |