Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - HW-Q800D | TCL - Q85H Pro |
|---|---|---|
| Total power | 360 W | 590 W |
Between the HW-Q800D and Q85H Pro, the HW-Q800D comes out ahead in several specs, while the Q85H Pro wins on total power. Overall, the HW-Q800D scores 76.3 and the Q85H Pro scores 83.2 on our Mars Score.
Which should you buy?
The Q85H Pro edges ahead on the Mars Score (76.3 vs 83.2), but the 6.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The HW-Q800D 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 — 63.89% more. 590 W vs 360 W.
Both ship with comparable channels, dolby atmos, earc, so those specs do not separate the two — focus on the differences below.
Bottom line: the Q85H Pro 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: Samsung - HW-Q800D or TCL - Q85H Pro?
TCL - Q85H Pro leads the current Mars Score by 6.9 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 Samsung - HW-Q800D if…
Samsung - HW-Q800D 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 Samsung - HW-Q800D wins
- No decisive advantages.
Why TCL - Q85H Pro wins
- ▲Total power — 63.89% more. 590 W vs 360 W.
Spec comparison
Audio
| Spec | Samsung - HW-Q800D | TCL - Q85H Pro |
|---|---|---|
| Channels | 5.1.2 | 5.1.2 |
| Total power | 360 W | 590 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | true | true |
Connectivity
| Spec | Samsung - HW-Q800D | TCL - Q85H Pro |
|---|---|---|
| HDMI inputs | 1 | 1 |
| eARCⓘ | true | true |
| Subwoofer included | true | true |