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BenQ TH685 vs HT2050A

In this post, we will compare BenQ TH685 vs HT2050A and see which one would be a good buy. Both BenQ TH685 and BenQ HT2050A are two entry-level gaming and sports projectors.

BenQ TH685 vs HT2050A – Key Differences

FeatureBenQ TH685BenQ HT2050A
Resolution1080p Full HD (1920×1080)1080p Full HD (1920×1080)
Brightness (ANSI lumens)3,5002,200
Contrast Ratio (FOFO)10,000:115,000:1
Speaker5W Speaker x 110W Speaker x 1


FeatureBenQ TH685BenQ HT2050A
Projection SystemDLPDLP
Resolution1080p Full HD (1920×1080)1080p Full HD (1920×1080)
Brightness (ANSI lumens)3,5002200
Contrast Ratio (FOFO)10,000:115,000:1
Displayable Colors1.07 billion1.07 billion
Rec.709 Coverage95%96%
Native Aspect Ratio16:916:9


FeatureBenQ TH685BenQ HT2050A
Light SourceLampLamp
Light Source LifeNormal – 4,000 hours
Eco -10,000 hours
SmartEco – 8,000 hours
LampSave – 15,000 hours
Normal – 3500 hours
Economic – 5000 hours
SmartEco – 7000 hours‎

Content Support

FeatureBenQ TH685Optoma HD28HDR
HDR10 SupportYesNo
HLG SupportYesNo


FeatureBenQ TH685BenQ HT2050A
Throw Ratio1.13~1.461.15 – 1.5
Zoom Ratio1.3x1.3x
Digital Lens ShiftVertical ±5%Vertical : +10%‎
Keystone AdjustmentVertical ±30°Vertical & Horizontal +/- 30 degrees‎
Image Size30″~300″30”~300”
Horizontal Frequency15K~102KHz15 – 102KHz‎
Vertical Scan Rate23~120Hz23 – 120Hz‎

Dimensions and Weight

FeatureBenQ TH685BenQ HT2050A
Dimensions (W x H x D) inches12″ x 4″ x 9″14.9″ x 4.8″ x 10.9″
Net Weight lbs6.27.27


FeatureBenQ TH685BenQ HT2050A
HDMIHDMI 2.0 (HDCP 2.2) x 2HDMI 1.4a (HDCP 1.4) x 2


FeatureBenQ TH685BenQ HT2050A
Speaker5W x 110W x 1
Audio In3.5mm3.5mm
Audio Out3.5mm3.5mm
USB Power Outx1 USB-A (1.5a)x1 USB-A (2.0a)


FeatureBenQ TH685BenQ HT2050A
Input Lag8.3ms@120Hz16.67ms@60Hz


FeatureBenQ TH685BenQ HT2050A
Power SupplyVAC 100 ~ 240 (50/60Hz)100 to 240V, 50 to 60 Hz‎
Typical Power ConsumptionMax-340W
Standby Power Consumption0.5W Max. at 100 ~ 240 VAC< 0.5W‎
Acoustic Noise (Typ./Eco.)Typical: 35dB
Eco: 29dB
Typical: 29dB
Eco: 27dB
Operating Temperature0 ~ 40 ℃0 ~ 40 ℃

What’s in the Box

FeatureBenQ TH685BenQ HT2050A
Remote ControlYesYes
Power CordYesYes
Warranty CardYesYes
Batteriesx2 (AAA)x2 (AAA)

Where to Buy?

BenQ TH685BenQ HT2050A
Check AmazonCheck Amazon


The presence of HLG 2 HDMI 2.0 ports, HLG Support, and Vertical Digital Lens Shift gives BenQ TH685 the upper hand. However, BenQ HT2050A has a better contrast ratio than BenQ TH685.

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Both these projectors are great for gaming and sports with their low input lag, however here too, BenQ TH685 has the lowest input lag, when you compare it with BenQ HT2050A.

So, after comparing BenQ TH685 vs HT2050A, we consider BenQ TH685 to be the better buy.