Between the Éclair QP5 and HW-Q990D, the Éclair QP5 comes out ahead in several specs, while the HW-Q990D wins on total power. Overall, the Éclair QP5 scores 53.1 and the HW-Q990D scores 74.9 on our Mars Score.
Which should you buy?
The HW-Q990D is the clear pick on raw spec strength, leading by 21.8 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.
The Éclair QP5 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the HW-Q990D if you care most about total power. Its strongest claims are total power.
Both ship with comparable dolby atmos, earc, subwoofer included, so those specs don't separate the two — focus on the differences below.
Bottom line: the HW-Q990D is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why LG - Éclair QP5 wins
- No decisive advantages.
Why Samsung - HW-Q990D wins
- ▲Total power — 105.00% more. 656 W vs 320 W.
Spec comparison
Audio
| Spec | LG - Éclair QP5 | Samsung - HW-Q990D |
|---|---|---|
| Channels | 3.1.2 | 11.1.4 |
| Total power | 320 W | 656 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | false | truelead |
Connectivity
| Spec | LG - Éclair QP5 | Samsung - HW-Q990D |
|---|---|---|
| HDMI inputs | 1 | 2lead |
| eARCⓘ | true | true |
| Subwoofer included | true | true |
Spec-level deep dives
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