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BenQ W1800 vs ViewSonic PX748-4K

Side-by-side comparison of the BenQ W1800 and ViewSonic PX748-4K: throw ratio, brightness, resolution, input lag and price โ€” plus which one to buy.

Quick verdict

The BenQ W1800 and ViewSonic PX748-4K are both standard-throw projectors in a similar price range. The ViewSonic PX748-4K is brighter โ€” 4,000 vs 2,000 lumens. Both need roughly the same throw distance. The ViewSonic PX748-4K costs less โ€” about $1,099 vs $1,199. For gaming, the ViewSonic PX748-4K has the lower input lag at 4.2 ms.

SpecBenQ W1800ViewSonic PX748-4K
Throw ratio1.13โ€“1.461.13โ€“1.47
Brightness2,000 lumens4,000 lumens
Resolution4K UHD4K UHD
HDRYesYes
Light sourcelamplamp
Input lag16.7 ms4.2 ms
Price~$1,199~$1,099

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Throw distance: BenQ W1800 vs ViewSonic PX748-4K

How far each projector must sit from the screen for the same image size.

ScreenBenQ W1800ViewSonic PX748-4K
80โ€ณ6.6โ€“8.5 ft6.6โ€“8.5 ft
100โ€ณ8.2โ€“10.6 ft8.2โ€“10.7 ft
120โ€ณ9.8โ€“12.7 ft9.8โ€“12.8 ft
150โ€ณ12.3โ€“15.9 ft12.3โ€“16.0 ft

Which should you buy?

Frequently asked questions

The ViewSonic PX748-4K is brighter, rated at 4,000 lumens versus 2,000 lumens.

More comparisons

Not sure which projector fits your room? Calculate the throw distance for your screen.

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