Head-to-head
BenQ GP520 vs ViewSonic PX701-4K
Side-by-side comparison of the BenQ GP520 and ViewSonic PX701-4K: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ GP520 and ViewSonic PX701-4K are both standard-throw projectors in a similar price range. The ViewSonic PX701-4K is brighter — 3,200 vs 2,600 lumens. The BenQ GP520 can sit closer to the screen (throw ratio from 1.20 vs 1.50). Both cost about $999. For gaming, the ViewSonic PX701-4K has the lower input lag at 16.9 ms.
| Spec | BenQ GP520 | ViewSonic PX701-4K |
|---|---|---|
| Throw ratio | 1.2 | 1.5–1.65 |
| Brightness | 2,600 lumens | 3,200 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | LED | lamp |
| Input lag | 17.9 ms | 16.9 ms |
| Price | ~$999 | ~$999 |
Affiliate link — we may earn a commission at no extra cost to you.
Throw distance: BenQ GP520 vs ViewSonic PX701-4K
How far each projector must sit from the screen for the same image size.
| Screen | BenQ GP520 | ViewSonic PX701-4K |
|---|---|---|
| 80″ | 7.0 ft | 8.7–9.6 ft |
| 100″ | 8.7 ft | 10.9–12.0 ft |
| 120″ | 10.5 ft | 13.1–14.4 ft |
| 150″ | 13.1 ft | 16.3–18.0 ft |
Which should you buy?
- • Choose the ViewSonic PX701-4K if a brighter picture in ambient light matters most.
- • Choose the ViewSonic PX701-4K for gaming — lower input lag means more responsive play.
Frequently asked questions
The ViewSonic PX701-4K is brighter, rated at 3,200 lumens versus 2,600 lumens.
More comparisons
Not sure which projector fits your room? Calculate the throw distance for your screen.
Open the calculator →Updated