ViewSonic PJD7828HDL vs Optoma UHD51A

PJD7828HDL vs UHD51A comparison chart

Overall
ViewSonic PJD7828HDL
6.3
Optoma UHD51A
9.6
4
10
Votes 1 1
Rating 5 5
ViewSonic PJD7828HDL

Aug 27, 2020

Are you looking for life-like colors for your home screen? Well, then this ViewSonic PJD7828HDL review is for you. It’s equipped with SuperColor — Best-In-Class Color Performance technolo...

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Optoma UHD51A

Aug 27, 2020

This Optoma UHD15A review is targeted for users who seek true realism in every scene. This device is a 4K Ultra HD projector that is unmatched in home entertainment. It will provide you with superb c...

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Common

Product

ViewSonic PJD7828HDL
Optoma UHD51A

Model

PJD7828HDL
UHD51A

Brand

ViewSonic
Optoma

Reviews

926
146

Resolution

Native resolution

1920 x 1080
3840 x 2160

Max resolution (resized)

1920 x 1080
3840 x 2160

Resolution abbreviation

Full HD
4K UHD

Properties

Projection screen size, inch

30-300
30-300

Projection distance, m/ft

1.3 - 14.3/4.2-47
0.8 - 10.6/2.9 - 34.8

Aspect ratio

16:9
16:9

Brightness, lumens

3200
2400

Contrast ratio

20000:1
500000:1

Throw ratio range

1.15:1 - 1.5:1
1.21:1 - 1.59:1

Color reproduction

1.07 billion
1.07 billion

Projection system

DLP
DLP

Noise level, dBA

35
28

Power consumption, W

300
317

Features

Remote control

HDR

3D

Security

kensington lock, password protection
kensington lock, password protection

Projection method

front, rear, ceiling mount, tabletop
front, rear, ceiling mount, tabletop

Wireless connection

Additional features

has not
DLP, Amazon Alexa, Google Assistant

Lamp

Lamp type, W

210
240

Lamp life (normal mode), hours

4000
4000

Lamp life (eco mode), hours

10000
15000

Connectivity

HDMI

1
2

VGA input

1
1

Composite video input (RCA)

1
0

Audio input (RCA)

1
0

Audio input (3.5mm)

1
1

Audio output (3.5mm)

1
1

SPDIF (optical)

0
1

Ethernet (RJ45)

0
1

MHL

RS-232

1
1

12V trigger

0
1

USB

0
3

USB (service)

1
1

Audio

Integrated speakers

Speaker power, W

10
5

Sound type

mono
stereo

Lens

F-number

1.49 - 1.72
2.5 - 3.26

Focal length, mm

16.9 - 20.28
20.91 - 32.62

Lens shift, %

vertical +/- 30
vertical +/- 15

Zoom ratio

1.1x
1.3x

Settings

Keystone adjustment vertical, +- degrees

40

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41
5/41

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

31.5 x 10.4 x 22.8/12.4 x 4.1 x 9
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1

Weight, kg/pounds

2/4.6
6.5/11.7

Other

Release year

2016
2018
ViewSonic PJD7828HDL
Optoma UHD51A
ViewSonic PJD7828HDL
Optoma UHD51A

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 6.3
  • 9.6
  • 6.3ViewSonic PJD7828HDL
  • 9.6Optoma UHD51A

ViewSonic PJD7828HDL competitors

Optoma UHD51A competitors