Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Hisense - AX5125H | Samsung - HW-Q990D |
|---|---|---|
| Total power | 510 W | 656 W |
Between the AX5125H and HW-Q990D, the AX5125H comes out ahead in several specs, while the HW-Q990D wins on total power. Overall, the AX5125H scores 85.8 and the HW-Q990D scores 88.6 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (85.8 vs 88.6). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
The AX5125H 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 HW-Q990D if you care most about total power. Its strongest claims are total power. The single most decisive one: Total power — 28.63% more. 656 W vs 510 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: Hisense - AX5125H or Samsung - HW-Q990D?
Samsung - HW-Q990D leads the current Mars Score by 2.8 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 Hisense - AX5125H if…
Hisense - AX5125H does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Samsung - HW-Q990D if…
Samsung - HW-Q990D 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 Hisense - AX5125H wins
- No decisive advantages.
Why Samsung - HW-Q990D wins
- ▲Total power — 28.63% more. 656 W vs 510 W.
Spec comparison
Audio
| Spec | Hisense - AX5125H | Samsung - HW-Q990D |
|---|---|---|
| Channels | 5.1.2 | 11.1.4 |
| Total power | 510 W | 656 Wlead |
| Dolby Atmosⓘ | true | true |
| DTS:X | true | true |
Connectivity
| Spec | Hisense - AX5125H | Samsung - HW-Q990D |
|---|---|---|
| HDMI inputs | 1 | 2lead |
| eARCⓘ | true | true |
| Subwoofer included | true | true |