Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | LG - S90TR | TCL - Q85H Pro |
|---|---|---|
| Total power | 570 W | 590 W |
Between the S90TR and Q85H Pro, the S90TR comes out ahead in several specs, while the Q85H Pro wins on total power. Overall, the S90TR scores 82.6 and the Q85H Pro scores 83.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (82.6 vs 83.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
The S90TR does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Q85H Pro if you care most about total power. Its strongest claims are total power. The single most decisive one: Total power — 3.51% more. 590 W vs 570 W.
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 - S90TR or TCL - Q85H Pro?
TCL - Q85H Pro leads the current Mars Score by 0.6 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 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose TCL - Q85H Pro if…
TCL - Q85H Pro has the measurable edge on total w.
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
- No decisive advantages.
Why TCL - Q85H Pro wins
- ▲Total power — 3.51% more. 590 W vs 570 W.
Spec comparison
Audio
| Spec | LG - S90TR | TCL - Q85H Pro |
|---|---|---|
| Channels | 7.1.3 | 5.1.2 |
| Total power | 570 W | 590 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | true | true |
Connectivity
| Spec | LG - S90TR | TCL - Q85H Pro |
|---|---|---|
| HDMI inputs | 2lead | 1 |
| eARCⓘ | true | true |
| Subwoofer included | true | true |