Between the Home Cinema 3800 and UHD35STx, the Home Cinema 3800 comes out ahead in several specs, while the UHD35STx wins on brightness / short-throw. Overall, the Home Cinema 3800 scores 80.1 and the UHD35STx scores 89.1 on our Mars Score.
Which should you buy?
The UHD35STx is the clear pick on raw spec strength, leading by 9.0 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.
The Home Cinema 3800 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 UHD35STx if you care most about brightness / short-throw. Its strongest claims are brightness, short-throw.
Both ship with comparable resolution, light source, 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 Epson - Home Cinema 3800 wins
- No decisive advantages.
Why Optoma - UHD35STx wins
- ▲Brightness — 20.00% more. 3600 lm vs 3000 lm.
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | Epson - Home Cinema 3800 | Optoma - UHD35STx |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightness | 3000 lm | 3600 lmlead |
| Contrast | 100000:1 | 1000000:1 |
| Light source | Lamp | Lamp |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | Epson - Home Cinema 3800 | Optoma - UHD35STx |
|---|---|---|
| Smart OS | None | None |
| HDMI inputs | 2 | 2 |
| Built-in speakers | true | true |
Spec-level deep dives
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