TThrowCalc
Standard throw

BenQ X3100i: throw distance & specs

4K UHD · 3,300 lumens · throw ratio 1.15–1.5. For a 100″ screen it sits 8.4–10.9 ft away.

Quick answer

The BenQ X3100i sits 8.4–10.9 ft from a 100″ screen and about 10.0–13.1 ft from a 120″ screen, set by its 1.15–1.5 throw ratio. At 3,300 lumens it pairs best with a matte-white screen in the dark, or an ALR screen with some ambient light.

Throw ratio

1.15–1.5

Brightness

3,300 lumens

Resolution

4K UHD

Type

LED

Specifications
Throw ratio1.15–1.5
Brightness3,300 lumens
Resolution4K UHD
HDRYes
Light sourceLED
TypeStandard throw
Input lag16.67 ms
Price~$2,799

Throw-distance calculator

BenQ X3100i — distance for a 100″ screen

8.4–10.9 ft

Lens-to-screen distance. Zoom (if any) lets you fine-tune within the range.

Throw distance by screen size

How far the BenQ X3100i sits from the screen at common 16:9 sizes, across its full zoom range.

Screen (16:9)Image widthThrow distance
9078″7.5–9.8 ft
10087″8.4–10.9 ft
120105″10.0–13.1 ft
150131″12.5–16.3 ft

Which screen for the BenQ X3100i?

The BenQ X3100i is a standard-throw projector, so it works with a matte-white screen in a dark room or an ALR screen if you watch with some ambient light. Match the screen size to the throw distance the calculator gives for your room.

Frequently asked questions

For a 100″ 16:9 screen the BenQ X3100i needs about 8.4–10.9 ft from lens to screen, based on its 1.15–1.5 throw ratio. Use the calculator above for your exact screen size.

Compare with

Not sure it fits? Run your exact screen size through the calculator.

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