Head-to-head
BenQ X500i vs Optoma GT2100HDR
Side-by-side comparison of the BenQ X500i and Optoma GT2100HDR: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ X500i and Optoma GT2100HDR are both standard-throw projectors in a similar price range. The Optoma GT2100HDR is brighter — 4,200 vs 2,200 lumens. The Optoma GT2100HDR can sit closer to the screen (throw ratio from 0.50 vs 0.69). Both cost about $1,799. For gaming, the BenQ X500i has the lower input lag at 4 ms.
| Spec | BenQ X500i | Optoma GT2100HDR |
|---|---|---|
| Throw ratio | 0.69–0.83 | 0.5 |
| Brightness | 2,200 lumens | 4,200 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | LED | lamp |
| Input lag | 4 ms | 16 ms |
| Price | ~$1,799 | ~$1,799 |
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Throw distance: BenQ X500i vs Optoma GT2100HDR
How far each projector must sit from the screen for the same image size.
| Screen | BenQ X500i | Optoma GT2100HDR |
|---|---|---|
| 80″ | 4.0–4.8 ft | 2.9 ft |
| 100″ | 5.0–6.0 ft | 3.6 ft |
| 120″ | 6.0–7.2 ft | 4.4 ft |
| 150″ | 7.5–9.0 ft | 5.4 ft |
Which should you buy?
- • Choose the Optoma GT2100HDR if a brighter picture in ambient light matters most.
- • Choose the BenQ X500i for gaming — lower input lag means more responsive play.
Frequently asked questions
The Optoma GT2100HDR is brighter, rated at 4,200 lumens versus 2,200 lumens.
More comparisons
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