Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Formovie - Theater | Optoma - UHD35STx |
|---|---|---|
| Brightness | 2800 lm | 3600 lm |
| Light source | Laser | Lamp |
Between the Theater and UHD35STx, the Theater comes out ahead in light source, while the UHD35STx wins on brightness. Overall, the Theater scores 72.7 and the UHD35STx scores 78.9 on our Mars Score.
Which should you buy?
The UHD35STx edges ahead on the Mars Score (72.7 vs 78.9), but the 6.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Theater if you care most about light source. The biggest gaps in its favor are light source. The single most decisive one: Light source: Laser (vs Lamp).
Pick the UHD35STx if you care most about brightness. Its strongest claims are brightness. The single most decisive one: Brightness — 28.57% more. 3600 lm vs 2800 lm.
Both ship with comparable resolution, short-throw, so those specs do not separate the two — focus on the differences below.
Bottom line: the UHD35STx 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: Formovie - Theater or Optoma - UHD35STx?
Optoma - UHD35STx leads the current Mars Score by 6.2 points.The more useful decision is the trade-off behind that result: compare brightness, light source against the way you will actually use the product.
Choose Formovie - Theater if…
Formovie - Theater has the measurable edge on light source.
Choose Optoma - UHD35STx if…
Optoma - UHD35STx 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 Formovie - Theater wins
- ▲Light source: Laser (vs Lamp).
Why Optoma - UHD35STx wins
- ▲Brightness — 28.57% more. 3600 lm vs 2800 lm.
Spec comparison
Image
| Spec | Formovie - Theater | Optoma - UHD35STx |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 2800 lm | 3600 lmlead |
| Contrast | 3000:1 | 1000000:1 |
| Light source | Laserlead | Lamp |
| Short-throw | true | true |
Smart & Connectivity
| Spec | Formovie - Theater | Optoma - UHD35STx |
|---|---|---|
| Smart OS | Android TV | None |
| HDMI inputs | 3lead | 2 |
| Built-in speakers | true | true |