Head-to-head
BenQ W4100i vs LG CineBeam HU810PW
Side-by-side comparison of the BenQ W4100i and LG CineBeam HU810PW: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ W4100i and LG CineBeam HU810PW are both standard-throw projectors in a similar price range. The BenQ W4100i is brighter — 3,200 vs 2,700 lumens. The BenQ W4100i can sit closer to the screen (throw ratio from 1.15 vs 1.30). The BenQ W4100i costs less — about $2,799 vs $2,932. For gaming, the BenQ W4100i has the lower input lag at 17.9 ms.
| Spec | BenQ W4100i | LG CineBeam HU810PW |
|---|---|---|
| Throw ratio | 1.15–1.5 | 1.3–2.08 |
| Brightness | 3,200 lumens | 2,700 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | LED | laser |
| Input lag | 17.9 ms | 48 ms |
| Price | ~$2,799 | ~$2,932 |
Affiliate link — we may earn a commission at no extra cost to you.
Throw distance: BenQ W4100i vs LG CineBeam HU810PW
How far each projector must sit from the screen for the same image size.
| Screen | BenQ W4100i | 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 W4100i if a brighter picture in ambient light matters most.
- • Choose the BenQ W4100i for gaming — lower input lag means more responsive play.
- • Choose the BenQ W4100i if you want to spend less for similar core performance.
Frequently asked questions
The BenQ W4100i is brighter, rated at 3,200 lumens versus 2,700 lumens.
More comparisons
Not sure which projector fits your room? Calculate the throw distance for your screen.
Open the calculator →Updated