BenQ TH685P Review – 4K HDR Gaming Projector

There is no doubt that BenQ is a leader in making awesome home theater projectors. If you trust BenQ for projectors, you can check the latest BenQ TH685P projector. It comes with many good features to meet today’s entertainment needs.

As per the product description, BenQ TH685P has a 120 hz refresh rate, 3500 ANSI lumens brightness, 4K HDR support and a low latency for gaming. Please keep reading the BenQ TH685P review to know it well.

BenQ TH685P Review - 4K HDR Gaming Projector
4K HDR Support – 120hz Refresh Rate – 3500 ANSI Lumens

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3500 ANSI Brightness, Audio with Equalizer and HDR Compatibility

With the help of 3500 ANSI brightness, audio equalizer and HDR compatibility, the BenQ projector users will receive good visuals and audio.

3500 ANSI brightness – being a bright projector (3500 ANSI brightness), it has 1080P native and 4K input support resolutions. Which means it can work with a 4K input device as well. Well, the 1080p native resolution is not bad to view a clear picture. More importantly, the projector has a good short throw capability of producing 100 inches screen from just 8.2 feet distance. And, it has a 95% Rec. 709 color profile to deliver the stunning color performance.

Audio with equalizer – the BenQ TH685P projector users will receive an excellent audio. The unit has a built-in 5-watt speaker with an equalizer.

HDR compatibility – BenQ TH685P projector is based on the HDR10 technology. Therefore, the projector is capable to deliver brighter whites and deeper black levels. With this capability, the BenQ projector is capable to deliver an enhanced viewing experience.

Key Features and Specs – BenQ TH685P Review

Product name BenQ TH685P
Native resolution 1080p
Brightness 3500 ANSI lumens
Gaming mode Yes, enhanced gaming mode
Warranty 3 years industry leading warranty
3D capability Yes
Connection ports HDMI, USB
Built-in speaker Yes (5-watt speaker with equalizer)
Max screen size Up to 300 inches
Display technology DLP
Contrast ratio 10000:1
Item dimensions 8.86 x 12.28 x 4.33 inches
Item weight 6.2 lbs
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The important specs are written in the table above. The specs look good to me. It has 3500 ANSI lumens brightness, 10000:1 contrast ratio, built-in speaker, DLP display technology, up to 300 inches projection size and more. >>> Check Price <<<

Gaming Capability (Console Compatibility and Low Latency), 3 Years Warranty

8.3ms low latency – BenQ TH685P has a low input lag of just 8.3 milliseconds at 1080p resolution (120 hz). The projector has a dedicated Game Mode and Game Sound Mode. Therefore, audio and visuals are enhanced very well to give an impressive gaming experience.  More importantly, the projector has a feature called LumiExpert, which relives your eyes during the extended play.

Console compatibility – according to the BenQ TH685P review, this projector works with PS5 gaming console at 1080p resolution @ 120 Hz., 4K 2160p resolution @ 60 Hz.

Media player connections – users are capable to connect to a wide range of media players and gaming consoles for playing games and watching videos.

HDMI dongle support – you can connect a 4K UHD HDMI dongle like Amazon Fire TV, Google Chromecast or Apple TV for the best entertainment and gaming experiences.

3-year warranty – BenQ gives you a 3-year warranty on BenQ TH685P projector. Please know that other top projector manufacturers provide just one year warranty. Therefore, with BenQ TH685P, you will have a great peace of mind. More importantly a US based customer service team is available to assist you if you got a problem.

FAQs – BenQ TH685P Review

What are the main difference between HT2050A and HT2050?

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There are many advanced features in the HT2050A compared to the old model HT2050. These differences are related to keystone, warranty and speakers.

How is the brightness performance?

The brightness performance is good because it has 3500 ANSI lumens brightness. Therefore, it will work even in a well lit room. It also comes with Bright Mode to enhance the brightness capability.

Does it support 3D?

Yes, BenQ TH685P supports 3D content too. To watch the 3D content, please make sure you are using DLP Active Link Glasses and a 3D Blu-ray player.

What is the maximum screen size?

BenQ TH685P projector gives you up to 300 inches screen.

How do I purchase a new remote for this projector?

A universal remote will work with this projector. As per the manufacturer, a Logitech universal remote can work.

Does it have a Bluetooth capability?

Yes, BenQ TH685P has a Bluetooth capability too.

Some of the important questions have been answered in the FAQs. It is highly recommended to read the FAQs to know BenQ TH685P very well. The FAQs will answer questions related to screen size, brightness, remote control, Bluetooth capability and more. >>> Check Availability <<<


  • Awesome picture
  • Acceptable throw distance
  • Different picture modes like Cinema and Vivid Image
  • The picture is watchable even with ambient lighting.
  • The colors, contrast and brightness are amazing.
  • The built-in audio is very good.
  • Quiet operation
  • No rainbow effect
  • 3 years warranty


  • It has a vertical lens shift only.
  • This is not a 4K projector.

The pros and cons are written above. Please read the pros and cons of BenQ TH685P to understand it from users’ prospective. To me, it looks an impressive projector as it has numerous pros such as quiet operation, good picture quality, good color and brightness performance and more.

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Conclusion – BenQ TH685P Review

At the end of the BenQ TH685P review, I will say that the projector has many good capabilities undoubtedly. First, it has a good brightness capability. Second, the built-in sound is perfect. Third, it is the perfect budget projector for gaming as well as watching movies.

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