BenQ TH671ST vs BenQ TH685 review

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Rating 5 5

Common

Product

BenQ TH671ST
BenQ TH685

Model

TH671ST
TH685

Brand

BenQ
BenQ

Rating

Reviews

Translation properties

Projection system

DLP
DLP

Native resolution

1920 x 1200
1920x1080

Aspect ratio

16:9
16:9

Pixel number

2304000
2073600

Brightness

3000 lumens
3500 lumens

Color reproduction

1.07 billion
1.07 billion

Contrast ratio

10000:1
10000:1

Throw ratio range

0.69 - 0.83
1.13 – 1.46

Lamp

Lamp type

240 W
245 W

Lamp life

Normal mode

10000
4000

Eco mode

15000
15000

Lens

F-number

2.6 - 2.78
1.9 – 2.1

Focal length

10.2 - 12.24
11.9 - 15.5 mm

Lens shift

vertical +/- 40%

Zoom ratio

1.2x
1.0 - 1.3

Interface

HDMI

2
2

D-sub 15pin

has not
1

Composite video (RCA)

has not
has not

Audio L/R (RCA)

has not
has not

Audio out (Mini Jack)

1
1

USB (Type A)

1
has not

USB (Type mini-B)

1
has not

RS232 (DB-9pin)

1
1

Sound

Integrated speaker

Speaker power

1
5 W

Sound type

mono
mono

Resolution support

640 x 480

1024 x 768

1280 x 800

1400 x 1050

1920 x 1080

Video compatibility

NTSC

PAL

SECAM

3D

Settings

Keystone correction manual

40

Keystone correction auto

has not
vertical +-40 degrees

Operating distance

19 ft

Security functions

Audible noise

Normal mode

33 dBA
35 dB

Eco mode

25 dBA
29 dB

Operating temperature

Min

0 C
0

Max

40 C
40

Features

Color

white
white

Wireless

Remote control

Mouse functions

Warranty

1 Year
3 year

Dimensions

Product size

11.7 x 4.6 x 9.5 inches
?12.28 x 8.86 x 4.33 inches

Product weight

5.9 pounds
?6.15 pounds

BenQ TH671ST overview

BenQ TH685 overview

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