Head-to-head
BenQ X3100i vs LG CineBeam HU810PW
Side-by-side comparison of the BenQ X3100i and LG CineBeam HU810PW: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ X3100i and LG CineBeam HU810PW are both standard-throw projectors in a similar price range. The BenQ X3100i is brighter — 3,300 vs 2,700 lumens. The BenQ X3100i can sit closer to the screen (throw ratio from 1.15 vs 1.30). The BenQ X3100i costs less — about $2,799 vs $2,932. For gaming, the BenQ X3100i has the lower input lag at 16.67 ms.
| Spec | BenQ X3100i | LG CineBeam HU810PW |
|---|---|---|
| Throw ratio | 1.15–1.5 | 1.3–2.08 |
| Brightness | 3,300 lumens | 2,700 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | LED | laser |
| Input lag | 16.67 ms | 48 ms |
| Price | ~$2,799 | ~$2,932 |
Affiliate link — we may earn a commission at no extra cost to you.
Throw distance: BenQ X3100i vs LG CineBeam HU810PW
How far each projector must sit from the screen for the same image size.
| Screen | BenQ X3100i | LG CineBeam HU810PW |
|---|---|---|
| 80″ | 6.7–8.7 ft | 7.6–12.1 ft |
| 100″ | 8.4–10.9 ft | 9.4–15.1 ft |
| 120″ | 10.0–13.1 ft | 11.3–18.1 ft |
| 150″ | 12.5–16.3 ft | 14.2–22.7 ft |
Which should you buy?
- • Choose the BenQ X3100i if a brighter picture in ambient light matters most.
- • Choose the BenQ X3100i for gaming — lower input lag means more responsive play.
- • Choose the BenQ X3100i if you want to spend less for similar core performance.
Frequently asked questions
The BenQ X3100i is brighter, rated at 3,300 lumens versus 2,700 lumens.
More comparisons
Not sure which projector fits your room? Calculate the throw distance for your screen.
Open the calculator →