Between the Home Cinema 3800 and UHZ65UST, the Home Cinema 3800 comes out ahead in several specs, while the UHZ65UST wins on brightness / light source. Overall, the Home Cinema 3800 scores 80.1 and the UHZ65UST scores 87.6 on our Mars Score.
Which should you buy?
The UHZ65UST edges ahead on the Mars Score (80.1 vs 87.6), but the 7.5-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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 UHZ65UST if you care most about brightness / light source. Its strongest claims are brightness, light source, short-throw.
Both ship with comparable resolution, so those specs do not separate the two — focus on the differences below.
Bottom line: the UHZ65UST 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 - UHZ65UST wins
- ▲Brightness — 16.67% more. 3500 lm vs 3000 lm.
- ▲Light source: Laser (vs Lamp).
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | Epson - Home Cinema 3800 | Optoma - UHZ65UST |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightness | 3000 lm | 3500 lmlead |
| Contrast | 100000:1 | 2500000:1 |
| Light source | Lamp | Laserlead |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | Epson - Home Cinema 3800 | Optoma - UHZ65UST |
|---|---|---|
| Smart OS | None | None |
| HDMI inputs | 2 | 3lead |
| Built-in speakers | true | true |
Spec-level deep dives
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