Optoma UHD50 vs ViewSonic PX747-4K

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Votes 1 1
Rating 5 5

Common

Product

Optoma UHD50
ViewSonic PX747-4K

Model

UHD50
PX747-4K

Brand

Optoma
ViewSonic

Rating

3.7 of 5
4.0 of 5

Reviews

139
104

Resolution

Native resolution

3840 x 2160
3840 x 2160

Max resolution (resized)

4096 x 2160
3840 x 2160

Resolution abbreviation

4K
4K

Properties

Projection screen size, inch

30 - 300
60 - 200

Projection distance, m/ft

1.2 - 8.1/3.2 - 26.2
1.9 - 7.8/3.2 - 22.9

Aspect ratio

16:9
16:9

Brightness, lumens

2400
3500

Contrast ratio

500000:1
12000:1

Throw ratio range

1.21:1 - 1.59:1
1.47:1 - 1.76:1

Color reproduction

1.07 billion
1.07 billion

Pixel number

8847360
8294400

Projection system

DLP
DLP

Noise level, dBA

28

Input lag, ms

57

Power consumption, W

348
310

Lamp

Lamp type, W

240
240

Lamp life (normal mode), hours

4000
4000

Lamp life (eco mode), hours

15000
15000

Features

Remote control

Mouse functions

HDR

3D

Security

Kensington lock, password protection
Kensington lock, password protection

Projection method

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

Audio

Integrated speakers

Speaker power, W

10
10

Sound type

stereo
mono

Connectivity

HDMI

2
2

VGA input

1
1

Composite video input (RCA)

1
1

Audio input (RCA)

1
1

Audio input (3.5mm)

Audio output (3.5mm)

SPDIF (optical)

1

Ethernet (RJ45)

MHL

RS232 (DB-9pin)

1

12V trigger

1
1

USB

1
1

USB (service)

1
1

Video compatibility

NTSC

PAL

SECAM

Lens

F-number

2.5 - 3.26

Focal length, mm

20.91 - 32.62

Lens shift

vertical +/- 15%

Zoom ratio

1.3x

Settings

Keystone adjustment vertical, +- degrees

15

Keystone adjustment horizontal, +- degrees

Operating temperature

Min, C/F

5/41
0/32

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

12.7 x 38.1 x 27.9/5.1 x 15.4 x 11.1
12.7 x 33 x 25.4/5.3 x 13.1 x 10.3

Weight, kg/pounds

4.9/11.8
4.01/8.84
Optoma UHD50
ViewSonic PX747-4K
Optoma UHD50
ViewSonic PX747-4K

Projectors CHooseratoR comparison rating

  • better
  • worse
  • 10.7
  • 10.7
  • 10.7Optoma UHD50
  • 10.7ViewSonic PX747-4K

The ViewSonic PX747-4K is better home theater projector in this comparison. Check ViewSonic PX747-4K price

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