Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Hisense - PX3-Pro | Optoma - UHZ65UST |
|---|---|---|
| Brightness | 3000 lm | 3500 lm |
Between the PX3-Pro and UHZ65UST, the PX3-Pro comes out ahead in several specs, while the UHZ65UST wins on brightness. Overall, the PX3-Pro scores 74.3 and the UHZ65UST scores 78.2 on our Mars Score.
Which should you buy?
The UHZ65UST edges ahead on the Mars Score (74.3 vs 78.2), but the 3.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The PX3-Pro 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 UHZ65UST if you care most about brightness. Its strongest claims are brightness. The single most decisive one: Brightness — 16.67% more. 3500 lm vs 3000 lm.
Both ship with comparable resolution, light source, short-throw, 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 - PX3-Pro or Optoma - UHZ65UST?
Optoma - UHZ65UST leads the current Mars Score by 3.9 points.The more useful decision is the trade-off behind that result: compare brightness against the way you will actually use the product.
Choose Hisense - PX3-Pro if…
Hisense - PX3-Pro does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Optoma - UHZ65UST if…
Optoma - UHZ65UST has the measurable edge on brightness lumens.
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 - PX3-Pro wins
- No decisive advantages.
Why Optoma - UHZ65UST wins
- ▲Brightness — 16.67% more. 3500 lm vs 3000 lm.
Spec comparison
Image
| Spec | Hisense - PX3-Pro | Optoma - UHZ65UST |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 3000 lm | 3500 lmlead |
| Contrast | 3000:1 | 2500000:1 |
| Light source | Laser | Laser |
| Short-throw | true | true |
Smart & Connectivity
| Spec | Hisense - PX3-Pro | Optoma - UHZ65UST |
|---|---|---|
| Smart OS | Google TV | None |
| HDMI inputs | 3 | 3 |
| Built-in speakers | true | true |