Between the UHD35STx and The Premiere LSP9T, the UHD35STx comes out ahead in brightness, while the The Premiere LSP9T wins on light source. Overall, the UHD35STx scores 89.1 and the The Premiere LSP9T scores 77 on our Mars Score.
Which should you buy?
The UHD35STx is the clear pick on raw spec strength, leading by 12.1 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.
Pick the UHD35STx if you care most about brightness. The biggest gaps in its favor are brightness.
Pick the The Premiere LSP9T if you care most about light source. Its strongest claims are light source.
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.
Why Optoma - UHD35STx wins
- ▲Brightness — 28.57% more. 3600 lm vs 2800 lm.
Why Samsung - The Premiere LSP9T wins
- ▲Light source: Laser (vs Lamp).
Spec comparison
Image
| Spec | Optoma - UHD35STx | Samsung - The Premiere LSP9T |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightness | 3600 lmlead | 2800 lm |
| Contrast | 1000000:1 | 2000000:1 |
| Light source | Lamp | Laserlead |
| Short-throw | true | true |
Smart & Connectivity
| Spec | Optoma - UHD35STx | Samsung - The Premiere LSP9T |
|---|---|---|
| Smart OS | None | Tizen |
| HDMI inputs | 2 | 3lead |
| Built-in speakers | true | true |
Spec-level deep dives
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