BenQ TH671ST | 1080p Short Throw Gaming Projector | Gaming Mode for Intense Low Input Lag Action | 3000 Lumens | Auto Vertical Keystone | Universal Connectivity | Built in speaker
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AI Verdict
This is a 1080p short-throw projector with 16.7ms input lag, built for console gamers in smaller spaces.
This projector is a strong fit for its intended purpose: delivering a large, low-latency 1080p gaming experience in small rooms due to its short-throw lens and 16.7ms input lag. The 3000 lumens brightness helps in less-than-pitch-black conditions, but it really shines in darker settings.
If you need higher resolution or smoother motion, look for projectors with native 4K resolution and 120Hz refresh rate support.
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Pros
- Projects a 100-inch screen from 5 feet away, allowing large images in small rooms.
- Offers 16.7ms input lag at 1080p@60Hz, making it responsive for gaming.
- Displays 1080p resolution with 92% Rec. 709 color accuracy.
- Features 3000 lumens brightness, suitable for use in dim rooms.
- Includes auto vertical keystone correction for easy image alignment.
- Setup is quick and straightforward, often plug-and-play.
Cons
- Lacks 4K and HDR support, limiting visual fidelity compared to newer projectors.
- The single 5W speaker is not loud and users recommend external audio.
- Fan noise is audible at 33 dB, especially when sitting close.
- Limited to 1080p at 60Hz, without 120Hz or VRR support for smoother gaming.
- Does not have built-in smart features, requiring external streaming devices via USB-A or HDMI.
Dimension Scores
Offers native 1080p resolution with 92% Rec. 709 color accuracy and 10000:1 contrast, providing accurate and clear images for SDR content.
Equipped with a single 5W speaker that is generally considered not loud enough for an immersive experience, prompting recommendations for external audio.
Lacks any built-in smart features, requiring external devices like streaming sticks for internet connectivity and apps.
The short-throw capability allows for a 100-inch image from 5 feet, which is excellent for small spaces, and it includes two HDMI 1.4 ports, USB, and VGA connectivity.
Best For
- Console gamers needing a large screen in a confined space.
- Watching 1080p movies in a dedicated dark room.
- Casual gaming where 1080p@60Hz is sufficient.
- Users who prioritize low input lag over 4K resolution.
Not Recommended For
- Users requiring 4K or HDR content playback.
- Environments with significant ambient light.
- Audiophiles relying on built-in speakers.
- Competitive PC gamers needing high refresh rates (120Hz+).
Watch Out For
- The 5W built-in speaker is often described as not loud enough, necessitating an external sound system.
- Fan noise can reach 33 dB, which is audible if the projector is placed close to viewers.
- It does not support 4K or HDR content, so newer consoles or media players won't output their highest quality.
- Gaming is capped at 1080p @ 60Hz, without options for 120Hz or variable refresh rates.
- There are no integrated smart features, meaning you'll need a streaming stick like a Fire TV or Roku for apps.
Full Specifications
| ASIN | B076MHKTFH |
| Brand | BenQ |
| Brand Name | BenQ |
| Color Name | High Brightness Gaming |
| Item Weight | 5.9 pounds |
| Speaker Type | Stereo |
| Special Feature | Internet Ready, Short Throw, Speakers |
| Special Features | Internet Ready, Short Throw, Speakers |
| Item model number | TH671ST |
| Specification Met | Energy Star |
| Display resolution | 1920 x 1080 |
| Product Dimensions | 11.65 x 4.6 x 9.5 inches |
| Item display height | 14 inches |
| Connectivity Technology | HDMI, IR, USB |
| Recommended Uses For Product | Gaming, Home Cinema |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Users are consistently surprised by how well this projector handles gaming, especially considering its 1080p resolution. The short-throw capability is a recurring highlight, making it a go-to for big-screen gaming in tight spaces. While the picture quality for 1080p content is frequently praised, the audio from the built-in 5W speaker is almost universally deemed insufficient, leading many to invest in external sound systems. The fan noise is also a common point of discussion, though often overshadowed by the gaming performance.
“Dude, this thing for gaming is insane! I literally have no space in my apartment, but I'm playing on a 100-inch screen with no lag, it's blowing my mind, just gotta get a soundbar though.”
Common Praise
- Low input lag of 16.7ms makes gaming feel responsive.
- Projects a 100-inch image from just 5 feet away, fitting in small rooms.
- Picture quality for 1080p content is clear and color-accurate (92% Rec. 709).
- Setup is easy and often described as plug-and-play.
- Brightness of 3000 lumens is sufficient for dim room viewing.
Common Complaints
- The 5W built-in speaker is not loud enough and lacks depth.
- Audible fan noise, measured at 33 dB, can be distracting.
- No support for 4K resolution or HDR content.
- Gaming is limited to 1080p at 60Hz, without higher refresh rate options.
- Lacks smart features, requiring external streaming devices.
Ownership Tips
- The lamp life can range from 4,000 hours in normal mode up to 15,000 hours in Eco mode.
- You'll definitely want to connect external speakers or a soundbar for any serious movie watching or gaming.
- While 3000 lumens is bright, it still performs best in a dark room to get the most out of the contrast.
- The auto vertical keystone is super handy for quick setup without fiddling too much.
- Even after years, many users still find the 1080p picture quality and low input lag hold up for console gaming.
Frequently Asked Questions
Does the BenQ TH671ST support 4K resolution?
No, the BenQ TH671ST has a native resolution of 1920 x 1080 (1080p) and does not support 4K content.
Can I use this projector in a bright room?
With 3000 lumens, it can be used in dim rooms, but user experiences indicate it performs best in a completely dark environment for optimal contrast and color.
What is the input lag for gaming?
The projector boasts an ultra-fast 16.7ms input lag at 1080p@60Hz, which is responsive enough for most fast-paced games.
How far away does it need to be to project a 100-inch screen?
Thanks to its short-throw lens, the BenQ TH671ST can project a 100-inch screen from a distance of just 5 feet.
Does it have built-in speakers?
Yes, it has a single 5W speaker, but many users recommend connecting external audio for a better sound experience.
Is the fan noisy?
The fan noise is rated at 33 dB at its loudest, which is audible and can be noticeable if you're sitting close to the projector.
Buying Guide
When looking at projectors, especially for gaming, don't just chase the highest numbers. For a truly immersive experience, you need to consider how big of an image you want and how close the projector needs to be (that's 'throw distance'). Input lag is crucial for gaming responsiveness – lower numbers mean less delay between your controller and the screen. Also, think about your room's lighting; 'lumens' tell you how bright the image will be, but even a bright projector struggles in a sunlit room.
Lumens
This measures the brightness of the projector's light output. More lumens mean a brighter image, which helps if you can't make your room completely dark, but even 3000 lumens won't beat direct sunlight.
Resolution (1080p)
This is the number of pixels in the image. 1080p (1920x1080) is standard Full HD, delivering a clear picture. If you're used to 4K TVs, 1080p might not feel as sharp, but it's still plenty for a big screen, especially for gaming where speed matters more than pixel count.
Input Lag (16.7ms)
This is the delay between your game console sending a signal and the image appearing on screen. For gaming, especially fast-paced action, you want this number as low as possible. 16.7ms is considered very responsive for a projector, similar to many gaming monitors.
Short Throw
This means the projector can create a large image from a very short distance. If you have a small room or don't want the projector far away, a short-throw lens is a game-changer, preventing shadows and making setup easier.
Alternatives
If this projector doesn't quite hit the mark, consider looking for models with native 4K resolution for sharper images, or projectors that support 120Hz refresh rates for even smoother motion in games.
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