Dangbei N2 vs BenQ TH685P: Smart Compact vs Raw Brightness (2026)
BenQ TH685P wins on image quality with 9x the brightness. Two budget projectors with opposite strengths compared side by side.
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BenQ TH685P wins overall
The BenQ TH685P wins on raw image quality with 3500 ANSI lumens versus 400 ISO lumens - almost 9x the brightness. It handles ambient light, sports bars, and lit living rooms where the Dangbei N2 would wash out completely. The Dangbei N2 fights back with Google TV, autofocus, auto keystone, silent operation, and a much lower price. Pick the TH685P for brightness, the N2 for convenience.
Specifications
| Feature | Dangbei N2 | BenQ TH685P |
|---|---|---|
| Price | $200-$250 | $450 |
| Brightness | 400 ISO lumens | 3500 ANSI lumens |
| Resolution | 1080p | 1080p (4K input) |
| Smart OS | Google TV | None |
| Fan Noise | ~30 dBA | ~33-38 dBA |
| Input Lag | ~80ms | 8ms |
| Portability | Compact, light | Large, heavy |
| Setup Ease | Autofocus + auto keystone | Manual everything |
How This Was Tested
Both projectors evaluated for brightness, image quality in different lighting conditions, smart features, fan noise, setup convenience, and overall value.
Frequently Asked Questions
The Dangbei N2. It is quieter, has Google TV built in, and 400 lumens is plenty for a pitch-dark room. The TH685P is overkill for bedrooms and the fan noise would be distracting.
The BenQ TH685P. At 3500 ANSI lumens, it can handle ambient light from windows or overhead lights. The Dangbei N2 at 400 lumens washes out almost completely with any ambient light.
The BenQ TH685P has an 8ms game mode that is responsive enough for competitive console gaming. The Dangbei N2 has roughly 80ms input lag, which is too slow for anything requiring fast reactions.
The BenQ TH685P accepts 4K HDR input signals and downscales them to 1080p, which looks sharper than native 1080p input. The Dangbei N2 is a standard 1080p projector.