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 87 and the HW-S800D scores 72.9 on our Mars Score.
Which should you buy?
The S90TR is the clear pick on raw spec strength, leading by 14.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
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 14.1 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 |