Epson Home Cinema 3800 vs Optoma GT2100HDR
Side-by-side comparison of the Epson Home Cinema 3800 and Optoma GT2100HDR: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
The Epson Home Cinema 3800 and Optoma GT2100HDR are both standard-throw projectors in a similar price range. The Optoma GT2100HDR is brighter — 4,200 vs 3,000 lumens. The Optoma GT2100HDR can sit closer to the screen (throw ratio from 0.50 vs 1.32). The Epson Home Cinema 3800 costs less — about $1,699 vs $1,799. For gaming, the Optoma GT2100HDR has the lower input lag at 16 ms.
| Spec | Epson Home Cinema 3800 | Optoma GT2100HDR |
|---|---|---|
| Throw ratio | 1.32–2.15 | 0.5 |
| Brightness | 3,000 lumens | 4,200 lumens |
| Resolution | 4K PRO-UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | lamp | lamp |
| Input lag | 28 ms | 16 ms |
| Price | ~$1,699 | ~$1,799 |
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Throw distance: Epson Home Cinema 3800 vs Optoma GT2100HDR
How far each projector must sit from the screen for the same image size.
| Screen | Epson Home Cinema 3800 | Optoma GT2100HDR |
|---|---|---|
| 80″ | 7.7–12.5 ft | 2.9 ft |
| 100″ | 9.6–15.6 ft | 3.6 ft |
| 120″ | 11.5–18.7 ft | 4.4 ft |
| 150″ | 14.4–23.4 ft | 5.4 ft |
Which should you buy?
- • Choose the Optoma GT2100HDR if a brighter picture in ambient light matters most.
- • Choose the Optoma GT2100HDR for gaming — lower input lag means more responsive play.
- • Choose the Epson Home Cinema 3800 if you want to spend less for similar core performance.
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