Head-to-head
BenQ GP520 vs BenQ HT2150ST
Side-by-side comparison of the BenQ GP520 and BenQ HT2150ST: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The BenQ GP520 and BenQ HT2150ST are both standard-throw projectors in a similar price range. The BenQ GP520 is brighter — 2,600 vs 2,200 lumens. The BenQ HT2150ST can sit closer to the screen (throw ratio from 0.69 vs 1.20). Both cost about $999. For gaming, the BenQ HT2150ST has the lower input lag at 16.67 ms.
| Spec | BenQ GP520 | BenQ HT2150ST |
|---|---|---|
| Throw ratio | 1.2 | 0.69–0.83 |
| Brightness | 2,600 lumens | 2,200 lumens |
| Resolution | 4K UHD | 1080p |
| HDR | Yes | No |
| Light source | LED | lamp |
| Input lag | 17.9 ms | 16.67 ms |
| Price | ~$999 | ~$999 |
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Throw distance: BenQ GP520 vs BenQ HT2150ST
How far each projector must sit from the screen for the same image size.
| Screen | BenQ GP520 | BenQ HT2150ST |
|---|---|---|
| 80″ | 7.0 ft | 4.0–4.8 ft |
| 100″ | 8.7 ft | 5.0–6.0 ft |
| 120″ | 10.5 ft | 6.0–7.2 ft |
| 150″ | 13.1 ft | 7.5–9.0 ft |
Which should you buy?
- • Choose the BenQ GP520 if a brighter picture in ambient light matters most.
- • Choose the BenQ HT2150ST for gaming — lower input lag means more responsive play.
Frequently asked questions
The BenQ GP520 is brighter, rated at 2,600 lumens versus 2,200 lumens.
More comparisons
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