Head-to-head
BenQ HT4550i vs Optoma UHZ50
Side-by-side comparison of the BenQ HT4550i and Optoma UHZ50: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ HT4550i and Optoma UHZ50 are both standard-throw projectors in a similar price range. The BenQ HT4550i is brighter — 3,200 vs 3,000 lumens. The BenQ HT4550i can sit closer to the screen (throw ratio from 1.15 vs 1.21). The Optoma UHZ50 costs less — about $2,299 vs $2,999. For gaming, the Optoma UHZ50 has the lower input lag at 16.7 ms.
| Spec | BenQ HT4550i | Optoma UHZ50 |
|---|---|---|
| Throw ratio | 1.15–1.5 | 1.21–1.59 |
| Brightness | 3,200 lumens | 3,000 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | LED | laser |
| Input lag | 17.9 ms | 16.7 ms |
| Price | ~$2,999 | ~$2,299 |
Affiliate link — we may earn a commission at no extra cost to you.
Throw distance: BenQ HT4550i vs Optoma UHZ50
How far each projector must sit from the screen for the same image size.
| Screen | BenQ HT4550i | Optoma UHZ50 |
|---|---|---|
| 80″ | 6.7–8.7 ft | 7.0–9.2 ft |
| 100″ | 8.4–10.9 ft | 8.8–11.5 ft |
| 120″ | 10.0–13.1 ft | 10.5–13.9 ft |
| 150″ | 12.5–16.3 ft | 13.2–17.3 ft |
Which should you buy?
- • Choose the BenQ HT4550i if a brighter picture in ambient light matters most.
- • Choose the Optoma UHZ50 for gaming — lower input lag means more responsive play.
- • Choose the Optoma UHZ50 if you want to spend less for similar core performance.
Frequently asked questions
The BenQ HT4550i is brighter, rated at 3,200 lumens versus 3,000 lumens.
More comparisons
Not sure which projector fits your room? Calculate the throw distance for your screen.
Open the calculator →