Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | LG - S90TR | Samsung - HW-S800D |
|---|---|---|
| Total power | 570 W | 330 W |
| eARC | true | false |
Between the S90TR and HW-S800D, the S90TR comes out ahead in total power / earc, while the HW-S800D wins on several specs. Overall, the S90TR scores 82.6 and the HW-S800D scores 75.4 on our Mars Score.
Which should you buy?
The S90TR edges ahead on the Mars Score (82.6 vs 75.4), but the 7.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the S90TR if you care most about total power / earc. The biggest gaps in its favor are total power, earc. The single most decisive one: Total power — 72.73% more. 570 W vs 330 W.
The HW-S800D 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, subwoofer included, so those specs do not separate the two — focus on the differences below.
Bottom line: the S90TR 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: LG - S90TR or Samsung - HW-S800D?
LG - S90TR leads the current Mars Score by 7.2 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 - S90TR if…
LG - S90TR has the measurable edge on total w, has earc.
Choose Samsung - HW-S800D if…
Samsung - HW-S800D 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 - S90TR wins
- ▲Total power — 72.73% more. 570 W vs 330 W.
- ▲Has eARC.
Why Samsung - HW-S800D wins
- No decisive advantages.
Spec comparison
Audio
| Spec | LG - S90TR | Samsung - HW-S800D |
|---|---|---|
| Channels | 7.1.3 | 3.1.2 |
| Total power | 570 Wlead | 330 W |
| Dolby Atmosⓘ | true | true |
| DTS:X | truelead | false |
Connectivity
| Spec | LG - S90TR | Samsung - HW-S800D |
|---|---|---|
| HDMI inputs | 2lead | 0 |
| eARCⓘ | truelead | false |
| Subwoofer included | true | true |