BenQHome cinema projector
BenQ TH685i
BenQ TH685i is a home cinema projector released in 2021. Key specs: resolution (on screen) 1920 × 1080 (Full HD), brightness (ANSI / ISO lumens) 3,500 lm, light source Lamp, throw ratio 1.13:1.
4.0Score
Picture4.4
Gaming & inputs3.1
Setup & placement5.8
Smart features & sound2.1
Noise, lifetime & portability3.1
price range—
- Year
- 2021
- Brand
BenQ- Popularity
- #607 of 767
1920 × 1080 (Full HD)Resolution (on screen)
3,500 lmBrightness (ANSI / ISO lumens)
LampLight source
1.13:1Throw ratio
YesHDR support
Android TVSmart platform
5 WBuilt-in speakers (total output)
8.3 msInput lag
35 dBFan noise
2.8 kgWeight
Spec guide
How it ranks among home cinema projectors of 2021
Brightness (ANSI / ISO lumens) · 3,500 lmTop 23%
Built-in speakers (total output) · 5 WBottom 13%
Input lag · 8.3 msBottom 50%
Fan noise · 35 dBBottom 14%
Weight · 2.8 kgTop 47%
Compared with home cinema projectors released in 2021. Bars show the share of models it beats.
compared with other home cinema projectors
Why is TH685i a good choice?
Weight: 2.8 kgbetter than 77% of home cinema projectors
Weak points
Fan noise: 35 dBworse than 82% of home cinema projectors
Built-in speakers (total output): 5 Wworse than 88% of home cinema projectors
Light source life: 4,000 hworse than 92% of home cinema projectors
Native contrast ratio: 10,000:1worse than 100% of home cinema projectors
In rankings
Specifications
Full specifications
Picture
- Native panel resolution
- 1920 × 1080 (Full HD)
- Brightness (ANSI / ISO lumens)
- 3,500 lm
- Native contrast ratio
- 10,000:1
- HDR support
- Yes
- Colour gamut (Rec.709)
- 95%
- 3D playback
- Yes
Gaming
- Input lag
- 8.3 ms
Lens & placement
- Throw ratio
- 1.13:1
- Throw ratio (zoomed in)
- 1.46:1
- Throw type
- Standard throw (1.0:1 and longer)
- Distance for a 100″ 16:9 image
- 2.5 m
- Optical zoom
- 1.3×
- Lens shift
- None
- Autofocus
- No
- Keystone correction
- Yes
- Automatic keystone correction
- Yes
Sound
- Built-in speakers (total output)
- 5 W
Connectivity
- HDMI inputs
- 1
- HDMI version
- 2
- USB port
- Yes
- Ethernet (LAN)
- No
- VGA input
- Yes
- Audio output
- Yes
Battery, power & lifetime
- Power consumption
- 297 W
- Light source life
- 4,000 h
- Light source life (eco mode)
- 10,000 h
Design & noise
- Fan noise
- 35 dB
- Weight
- 2.8 kg
- Width
- 312 mm
- Height
- 110 mm
- Depth
- 225 mm
- Colours
- White
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Projectors — Brightness (ANSI / ISO lumens) from 1,000 lm + HDR formats: HLG103Home cinema projectors: Automatic keystone correction105Projectors: HDR support + automatic keystone correction109Projectors: DLP + automatic keystone correction110Projectors — 3D playback + Lens shift: None117Projectors — Resolution (on screen): 1920 × 1080 (Full HD) + brightness (ANSI / ISO lumens) from 1,000 lm121Projectors — Throw type: Standard throw (1.0:1 and longer) + automatic keystone correction125Projectors: Brightness (ANSI / ISO lumens) from 3,000 lm + 3d playback130
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