BenQ
TH685P Gaming Projector
Best high-speed projector for competitive gamers seeking immersive big-screen play.
Experience fast-paced gaming with the BenQ TH685P projector, delivering 3500 ANSI lumens for clear images even in daylight. Its Full HD resolution and HDR support bring games to life, while a low input lag of 8.3ms at 120Hz ensures smooth action. Game Mode enhances dark areas for better visibility, and the built-in 5W speaker provides clear audio. With a 1.127 to 1.46:1 throw ratio and 1.3x zoom, it's easy to set up for a 100-inch screen from just 8.2 feet away. Enjoy versatile sound modes and automatic vertical keystone correction for a perfect picture every time.
$629.99
Owner Satisfaction
4.5
/ 5
Category Rank
336
/ 1772
#336 in Video Projectors
Price vs Category Average
-83%
Below average
Display System
1
/ -Chip DMD DLP
Who it's for
- Competitive gamers needing split-second reaction times
- Casual viewers using projectors in well-lit living spaces
- Players wanting enhanced visibility in dark game environments
Who should skip it
- Videophiles demanding native 4K sharpness and detail
- Viewers sensitive to color artifacts in high-contrast scenes
- Users requiring flexible installation without image quality loss
Performance breakdown
Gaming Responsiveness
Ultra-low 8.3ms input lag ensures competitive edge in fast-paced titles.
Daylight Visibility
High 3500-lumen output maintains clear, vibrant images in brighter room environments.
Setup Flexibility
Short throw ratio and zoom capabilities make installation simple in tight spaces.
Visual Fidelity
Full HD resolution with HDR support delivers crisp, punchy gaming visuals.
Audio Performance
Integrated 5W speaker is functional but lacks depth for immersive gaming.
Smart Connectivity
Lacks built-in streaming apps, requiring external hardware for modern content consumption.
Key Specs
Display System
1-Chip DMD DLP
Native Resolution
1920 x 1080
Maximum Brightness
3500 Lumens (ANSI)
Throw Ratio
1.13 to 1.46:1
Projection Size
60 to 200 inches
HDR Support
Yes
Inputs/Outputs
2x HDMI Audio, Video Input, 1x USB-A Power Output, 1x 1/8" / 3.5 mm Mini Audio Input, 1x 1/8" / 3.5 mm Mini Audio Output, 1x DE-9/DB-9 (RS-232) Control Input
Supported Resolutions
Maximum: 3840 x 2160 @ 60 Hz, Minimum: 640 x 480 @ 60 Hz
Features
- Fast, giant-screen gaming anywhere with easy setup at home or on the go.
- Achieve a 100" screen from just 8.2' away with 1.3x zoom and flexible throw ratios.
- Stunning visuals even in daylight with 3500-lumen brightness.
- 1080p HDR images with low-lag 8.3 ms at 120 Hz ideal for fast-paced games.
- Game Mode enhances dark and shadowy areas for improved clarity.
- Integrated 5W speaker with resonance chamber for clear, dynamic sound.
- Four distinct sound modes (Cinema, Sports, Music, User) for tailored audio.
- Digital vertical lens shift and auto vertical keystone correction for perfect image alignment.
What customers say
The BenQ TH685P earns high praise, primarily focusing on its exceptional gaming performance. Users consistently celebrate the ultra-low input lag, especially at 120Hz, which significantly enhances competitive play. Its impressive 3500 ANSI lumens brightness delivers vibrant, playable images even in bright rooms, a key advantage. While the 1080p image quality is sharp with accurate colors, the integrated speaker is considered weak, requiring external audio. Some users note that fan noise is present under high power. Overall, this projector is celebrated by gamers as a high-value machine that successfully meets demanding performance expectations.
Know before you buy
The ultra-low 8.3ms input lag is specifically achieved when running the projector at 1080p resolution with a 120Hz refresh rate. This makes it ideal for competitive gaming where reaction time is critical.
Yes, the TH685P features a high brightness of 3500 ANSI lumens, which allows it to produce a clear, visible image even in rooms with some ambient light. While a darker room will always provide the best contrast, this projector is well-suited for daytime use.
You need approximately 8.2 feet of distance between the projector lens and the screen to achieve a 100-inch image. The 1.3x zoom provides some flexibility if you need to adjust the size slightly without moving the unit.
No, the TH685P does not have a built-in operating system or smart apps. You will need to connect an external streaming device, such as a gaming console, PC, or streaming stick, via the HDMI ports to access your content.
Game Mode is designed to enhance visibility in dark and shadowy areas of your games. By adjusting the image processing, it helps you spot hidden details or enemies that might otherwise be lost in the dark.
Yes, the TH685P is 3D ready and supports various formats including frame sequential, frame packing, side-by-side, and top-bottom. You will need compatible 3D active shutter glasses to view 3D content.
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