Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Epson - EpiqVision Ultra LS650 | Optoma - UHZ65UST |
|---|---|---|
| Brightness | 3600 lm | 3500 lm |
Between the EpiqVision Ultra LS650 and UHZ65UST, the EpiqVision Ultra LS650 comes out ahead in brightness, while the UHZ65UST wins on several specs. Overall, the EpiqVision Ultra LS650 scores 78.9 and the UHZ65UST scores 78.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (78.9 vs 78.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the EpiqVision Ultra LS650 if you care most about brightness. The biggest gaps in its favor are brightness. The single most decisive one: Brightness — 2.86% more. 3600 lm vs 3500 lm.
The UHZ65UST similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
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: Epson - EpiqVision Ultra LS650 or Optoma - UHZ65UST?
Epson - EpiqVision Ultra LS650 leads the current Mars Score by 0.7 points.The more useful decision is the trade-off behind that result: compare brightness against the way you will actually use the product.
Choose Epson - EpiqVision Ultra LS650 if…
Epson - EpiqVision Ultra LS650 has the measurable edge on brightness lumens.
Choose Optoma - UHZ65UST if…
Optoma - UHZ65UST does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 Epson - EpiqVision Ultra LS650 wins
- ▲Brightness — 2.86% more. 3600 lm vs 3500 lm.
Why Optoma - UHZ65UST wins
- No decisive advantages.
Spec comparison
Image
| Spec | Epson - EpiqVision Ultra LS650 | Optoma - UHZ65UST |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 3600 lmlead | 3500 lm |
| Contrast | 2500000:1 | 2500000:1 |
| Light source | Laser | Laser |
| Short-throw | true | true |
Smart & Connectivity
| Spec | Epson - EpiqVision Ultra LS650 | Optoma - UHZ65UST |
|---|---|---|
| Smart OS | Android TV | None |
| HDMI inputs | 3 | 3 |
| Built-in speakers | true | true |