BenQHome cinema projector
BenQ W4100i
BenQ W4100i is a home cinema projector released in 2025. Key specs: resolution (on screen) 3840 × 2160 (4K UHD), 4k method 4K by pixel shifting, brightness (ANSI / ISO lumens) 3,200 lm, light source LED.
6.7Score
Picture8.7
Gaming & inputs7.6
Setup & placement5.4
Smart features & sound2.6
Noise, lifetime & portability4.7
price rangeUS$2,300–2,900Reference price converted from EUR
3840 × 2160 (4K UHD)Resolution (on screen)
4K by pixel shifting4K method
3,200 lmBrightness (ANSI / ISO lumens)
LEDLight source
1.15:1Throw ratio
YesHDR support
Android TVSmart platform
5 WBuilt-in speakers (total output)
6.5 msInput lag
30 dBFan noise
6.1 kgWeight
Spec guide
How it ranks among home cinema projectors of 2025
Brightness (ANSI / ISO lumens) · 3,200 lmTop 25%
Built-in speakers (total output) · 5 WBottom 12%
Input lag · 6.5 msTop 49%
Fan noise · 30 dBBottom 43%
Weight · 6.1 kgBottom 17%
Compared with home cinema projectors released in 2025. Bars show the share of models it beats.
compared with other home cinema projectors
Why is W4100i a good choice?
Maximum refresh rate: 240 Hzbetter than 89% of home cinema projectors
Native contrast ratio: 3,000,000:1better than 89% of home cinema projectors
HDMI inputs: 3better than 95% of home cinema projectors
Weak points
Built-in speakers (total output): 5 Wworse than 88% of home cinema projectors
Specifications
Full specifications
Picture
- Native panel resolution
- 1920 × 1080 (Full HD)
- Brightness (ANSI / ISO lumens)
- 3,200 lm
- Native contrast ratio
- 3,000,000:1
- Contrast ratio (dynamic / claimed)
- 3,000,000:1
- HDR support
- Yes
- Colour gamut (Rec.709)
- 100%
- Colour gamut (DCI-P3)
- 100%
- Motion interpolation (MEMC)
- Yes
- 3D playback
- Yes
Gaming
- Input lag
- 6.5 ms
- Maximum refresh rate
- 240 Hz
- Game / low-latency mode
- Yes
- VRR / ALLM
- Yes
Lens & placement
- Throw ratio
- 1.15:1
- Throw ratio (zoomed in)
- 1.5:1
- Throw type
- Standard throw (1.0:1 and longer)
- Distance for a 100″ 16:9 image
- 2.55 m
- Smallest image size
- 60″
- Largest image size
- 200″
- Optical zoom
- 1.3×
- Lens shift
- None
- Autofocus
- Yes
- Keystone correction
- Yes
- Automatic keystone correction
- No
Sound
- Built-in speakers (total output)
- 5 W
- Dolby Atmos
- Yes
Smart & streaming
- Built-in smart platform
- Yes
- Wi-Fi
- Yes
- Bluetooth
- Yes
- Chromecast built-in
- Yes
Connectivity
- HDMI inputs
- 3
- HDMI eARC
- Yes
- USB port
- Yes
- Ethernet (LAN)
- Yes
- VGA input
- No
- Audio output
- Yes
Battery, power & lifetime
- Power consumption
- 330 W
- Light source life
- 20,000 h
- Light source life (eco mode)
- 30,000 h
Design & noise
- Fan noise
- 30 dB
- Fan noise (eco mode)
- 29 dB
- Weight
- 6.1 kg
- Width
- 420 mm
- Height
- 135 mm
- Depth
- 312 mm
- Colours
- Black
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Projectors — Resolution (on screen): 3840 × 2160 (4K UHD) + 3d playback102Projectors — Throw type: Standard throw (1.0:1 and longer) + autofocus103Projectors — Brightness (ANSI / ISO lumens) from 1,000 lm + HDR formats: HLG103Projectors: 3D playback + fan noise up to 30 db105Projectors — HDR formats: HDR10 + fan noise up to 30 db107Projectors — Resolution (on screen): 3840 × 2160 (4K UHD) + fan noise up to 30 db108Projectors: Brightness (ANSI / ISO lumens) from 2,000 lm + game / low-latency mode108Projectors: HDMI inputs from 2 + fan noise up to 30 db110
