Optoma GT1080Darbee vs ViewSonic PA503S review

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Comparison chart

Optoma GT1080Darbee
ViewSonic PA503S

Common

Model

GT1080Darbee
PA503S

Brand

Optoma
ViewSonic

Rating on Amazon

4.3

Reviews on Amazon

195

Translation properties

Projection system

DLP
DLP

Native resolution

1920 x 1080
800 x 600

Aspect ratio

16:9
4:3

Pixel number

1024000

Brightness

3000 lumens
3600 lumens

Color reproduction

1073.4 million
1.07 billion

Contrast ratio

28000:1
22000:1

Throw ratio range

1.48 - 1.62
1.96 - 2.15

Lamp

Lamp type

195 W
190 W

Lamp life

Normal mode

5000
5000

Eco mode

6000
15000

Lens

F-number

2.8

Focal length

7.42 mm

Lens shift

Zoom ratio

1.0 - 1.1

Interface

HDMI

2
1

D-sub 15pin

1
2

Composite video (RCA)

1
1

Audio L/R (RCA)

1
1

Audio out (Mini Jack)

1
1

USB (Type A)

1
has not

USB (Type mini-B)

1
1

RS232 (DB-9pin)

has not
1

Sound

Integrated speaker

Speaker power

20W
2 W

Sound type

stereo
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

Vertical +- 40 degrees
Vertical +- 40 degrees

Keystone correction auto

has not

Operating distance

19 ft
19 ft

Security functions

Audible noise

Normal mode

30 dBA
34 dBA

Eco mode

28 dBA
27 dBA

Operating temperature

Min

5 C
0 C

Max

40 C
40 C

Features

Color

white
silver

Wireless

Remote control

Mouse functions

Warranty

2 Years
1 Year

Dimensions

Product size

8.8 x 12.4 x 4 inches
4.3 x 11.6 x 8.6 inches

Product weight

5.5 pounds
5.6 pounds