Epson PowerLite 1781W vs ViewSonic PJD7828HDL review

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Rating 5 5

Common

Product

Epson PowerLite 1781W
ViewSonic PJD7828HDL

Model

PowerLite 1781W
PJD7828HDL

Brand

Epson
ViewSonic

Rating

4.2
4.5

Reviews

47
208

Translation properties

Projection system

Liquid Crystal Shutter
DLP

Native resolution

1280 x 800
1920 x 1080

Aspect ratio

16:10
16:9

Pixel number

1024000
480000

Brightness

3200 lumens
3200 lumens

Color reproduction

1.07 billion
1.07 billion

Contrast ratio

10000:1
20000:1

Throw ratio range

1.04 - 1.26
1.15 - 1.5

Lamp

Lamp type

214 W
210 W

Lamp life

Normal mode

4000
4000

Eco mode

7000
10000

Lens

F-number

2.0 - 3.17
1.49 - 1.72

Focal length

22.5 - 47.2 mm
16.9 - 20.28 mm

Lens shift

Zoom ratio

1.0 - 2.1
1.0 - 1.1

Interface

HDMI

1
2

D-sub 15pin

1
1

Composite video (RCA)

1
1

Audio L/R (RCA)

1

Audio out (Mini Jack)

1

USB (Type A)

1
has not

USB (Type mini-B)

1
has not

RS232 (DB-9pin)

has not
1

Sound

Integrated speaker

Speaker power

1 W
10 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

Horizontal +- 30 degrees
Vertical +- 40 degrees

Keystone correction auto

Vertical +- 30 degrees

Operating distance

19 ft
19 ft

Security functions

Audible noise

Normal mode

39 dBA
35 dBA

Eco mode

30 dBA
30 dBA

Operating temperature

Min

5 C
5 C

Max

35 C
40 C

Features

Color

black
black

Wireless

Remote control

Mouse functions

Warranty

2 Years
1 Year

Dimensions

Product size

15.5 x 17.7 x 5.7 inches
9 x 12.4 x 4.1 inches

Product weight

16.1 pounds
4.6 pounds

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