BenQ

TH685P

BenQ TH685P

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Overall

#63 in

Home Projectors

according to Reddit Icon Reddit

Sentiment score71% positive
5
1
1
Last updated: Aug 27, 2026

Reddit Reviews

Reddit Iconcoconutdoggy420
7 months ago

Decent unit but the input lag is too high for gaming. The BenQ TH685P would be a better choice.

Reddit IconDifficultyHour4999
10 months ago

A 50" image you are honestly better off buying a TV. What specifically requires you to use a projector? Also not that the image from 8 feet is going to be around 80" give or take depending on zoom and no keystoning. Usually 100" or 120" is the sweet spot for home projectors. Another model to consider is the TH685P from benq as it will give you the option for 120Hz refresh if latency is a concern. They also have some short throw models if throw distance is a concern. Do note that for the majority of projectors latency can double if using keystoning along with degrading the image. Make sure you understand the throw and offset setting to ensure the projector actually works in the room before buying.

10 months ago

TH685i Epson has its own issues also. Not from warranty as no idea on that front but should be good. The issue with Epson is if the light engine goes after warranty the projector is garbage as it is crazy expensive to get the replacement part from Epson. DLP projectors can be fixed much easier. But DLP does have more moving parts so there is a trade-off.

Reddit IconPrize_Percentage7258
2 months ago

I got the Optoma HD29H for just over 300, 1080p 120Hz gaming with 4K HDR compatibility. Then side-graded to the BenQ TH685P, also a great 1080p 120Hz gaming monitor with 4K compatibility, and the visuals are richer. ![gif](giphy|G0lXg7mTDf4MU)

Reddit IconSlightlyCerebral
7 months ago

Ah yeah, walls don’t move easily. Funny, I have the exact same projector and 110” vevor screen. Just curious, do you notice any stretch marks on your screen. It’s not a huge deal, but I notice them every now and then. As for projectors, I think the BenQ TH685P would work, might cost a little more though.

Reddit Iconwildplasser8
8 months ago

If u lose 4k and go all the way with 1080p for gaming this will be ur options: 2025/26 BenQ X3100i 1080p @ 240Hz 4.2ms €2.339 2024 ViewSonic LX700-4K 1080p @ 240Hz 4.2ms €1.399 2023 Optoma UHD38x 1080p @ 240Hz 4.2ms €1.019 2022 Acer Predator GD711 1080p @ 240Hz 4.2ms €1.100 2021 BenQ TK700STi 1080p @ 240Hz 4.2ms €1.249 2021 ViewSonic PX748-4K 1080p @ 240Hz 4.2ms €999 2020 BenQ TH685i 1080p @ 120Hz 8.3ms €650 (Refurb) 2019 Optoma UHD42 1080p @ 240Hz 4.2ms €800 (Used)

Reddit IconFalconOk3432
11 months ago

That’s the worst one u could buy. U gotta go on Facebook marketplace and look for a used benq or view sonic. Just make sure its 1080p and 2500+lumens and you’ll love it

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