Optoma GT2100HDR vs XGIMI Horizon Ultra
Side-by-side comparison of the Optoma GT2100HDR and XGIMI Horizon Ultra: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
The Optoma GT2100HDR and XGIMI Horizon Ultra are both standard-throw projectors in a similar price range. The Optoma GT2100HDR is brighter — 4,200 vs 2,300 lumens. The Optoma GT2100HDR can sit closer to the screen (throw ratio from 0.50 vs 1.20). The XGIMI Horizon Ultra costs less — about $1,699 vs $1,799. For gaming, the Optoma GT2100HDR has the lower input lag at 16 ms.
| Spec | Optoma GT2100HDR | XGIMI Horizon Ultra |
|---|---|---|
| Throw ratio | 0.5 | 1.2–1.5 |
| Brightness | 4,200 lumens | 2,300 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | lamp | laser |
| Input lag | 16 ms | 26 ms |
| Price | ~$1,799 | ~$1,699 |
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Throw distance: Optoma GT2100HDR vs XGIMI Horizon Ultra
How far each projector must sit from the screen for the same image size.
| Screen | Optoma GT2100HDR | XGIMI Horizon Ultra |
|---|---|---|
| 80″ | 2.9 ft | 7.0–8.7 ft |
| 100″ | 3.6 ft | 8.7–10.9 ft |
| 120″ | 4.4 ft | 10.5–13.1 ft |
| 150″ | 5.4 ft | 13.1–16.3 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 XGIMI Horizon Ultra if you want to spend less for similar core performance.
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