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BenQ X3100i vs Epson Pro Cinema 4050

Side-by-side comparison of the BenQ X3100i and Epson Pro Cinema 4050: throw ratio, brightness, resolution, input lag and price โ€” plus which one to buy.

Quick verdict

The BenQ X3100i and Epson Pro Cinema 4050 are both standard-throw projectors in a similar price range. The BenQ X3100i is brighter โ€” 3,300 vs 2,400 lumens. The BenQ X3100i can sit closer to the screen (throw ratio from 1.15 vs 1.35). The Epson Pro Cinema 4050 costs less โ€” about $2,399 vs $2,799. For gaming, the BenQ X3100i has the lower input lag at 16.67 ms.

SpecBenQ X3100iEpson Pro Cinema 4050
Throw ratio1.15โ€“1.51.35โ€“2.84
Brightness3,300 lumens2,400 lumens
Resolution4K UHD4K PRO-UHD
HDRYesYes
Light sourceLEDlamp
Input lag16.67 ms28 ms
Price~$2,799~$2,399

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Throw distance: BenQ X3100i vs Epson Pro Cinema 4050

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

ScreenBenQ X3100iEpson Pro Cinema 4050
80โ€ณ6.7โ€“8.7 ft7.8โ€“16.5 ft
100โ€ณ8.4โ€“10.9 ft9.8โ€“20.6 ft
120โ€ณ10.0โ€“13.1 ft11.8โ€“24.8 ft
150โ€ณ12.5โ€“16.3 ft14.7โ€“30.9 ft

Which should you buy?

Frequently asked questions

The BenQ X3100i is brighter, rated at 3,300 lumens versus 2,400 lumens.

More comparisons

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