Head-to-head
Optoma GT2100HDR vs XGIMI Horizon Ultra
Optoma GT2100HDR vs XGIMI Horizon Ultra: throw ratio, brightness, resolution, input lag and price, side by side — and which to buy.
Quick verdict
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 |
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.
Frequently asked questions
The Optoma GT2100HDR is brighter, rated at 4,200 lumens versus 2,300 lumens.
More comparisons
Not sure which projector fits your room? Calculate the throw distance for your screen.
Open the calculator →Updated