Epson PowerLite 77c vs ViewSonic PJD7828HDL review

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Common

Product

Epson PowerLite 77c
ViewSonic PJD7828HDL

Model

PowerLite 77c
PJD7828HDL

Brand

Epson
ViewSonic

Rating

3.6
4.5

Reviews

67
208

Translation properties

Projection system

3LCD
DLP

Native resolution

1024 x 768
1920 x 1080

Aspect ratio

4:3
16:9

Pixel number

786432
480000

Brightness

2200 lumens
3200 lumens

Color reproduction

16.77 million
1.07 billion

Contrast ratio

400:1
20000:1

Throw ratio range

1.04 - 1.26
1.15 - 1.5

Lamp

Lamp type

170 W
210 W

Lamp life

Normal mode

3000
4000

Eco mode

4000
10000

Lens

F-number

1.6 - 1.74
1.49 - 1.72

Focal length

18.4 - 22.12 mm
16.9 - 20.28 mm

Lens shift

Zoom ratio

1.0 - 1.2
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

Vertical +- 30 degrees
Vertical +- 40 degrees

Keystone correction auto

Operating distance

19 ft
19 ft

Security functions

Audible noise

Normal mode

35 dBA
35 dBA

Eco mode

28 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

9.6 x 12.9 x 3.6 inches
9 x 12.4 x 4.1 inches

Product weight

6 pounds
4.6 pounds

Epson PowerLite 77c overview

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