Head-to-head
LG CineBeam HU710PW vs Optoma GT2100HDR
Side-by-side comparison of the LG CineBeam HU710PW and Optoma GT2100HDR: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The LG CineBeam HU710PW and Optoma GT2100HDR are both standard-throw projectors in a similar price range. The Optoma GT2100HDR is brighter — 4,200 vs 2,000 lumens. The Optoma GT2100HDR can sit closer to the screen (throw ratio from 0.50 vs 1.30). The Optoma GT2100HDR costs less — about $1,799 vs $1,999. For gaming, the Optoma GT2100HDR has the lower input lag at 16 ms.
| Spec | LG CineBeam HU710PW | Optoma GT2100HDR |
|---|---|---|
| Throw ratio | 1.3–2.08 | 0.5 |
| Brightness | 2,000 lumens | 4,200 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | laser | lamp |
| Input lag | 55.1 ms | 16 ms |
| Price | ~$1,999 | ~$1,799 |
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Throw distance: LG CineBeam HU710PW vs Optoma GT2100HDR
How far each projector must sit from the screen for the same image size.
| Screen | LG CineBeam HU710PW | Optoma GT2100HDR |
|---|---|---|
| 80″ | 7.6–12.1 ft | 2.9 ft |
| 100″ | 9.4–15.1 ft | 3.6 ft |
| 120″ | 11.3–18.1 ft | 4.4 ft |
| 150″ | 14.2–22.7 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 Optoma GT2100HDR if you want to spend less for similar core performance.
Frequently asked questions
The Optoma GT2100HDR is brighter, rated at 4,200 lumens versus 2,000 lumens.
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