ViewSonic PX747-4K vs Optoma UHD50

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Rating 5 5

Common

Product

ViewSonic PX747-4K
Optoma UHD50

Model

PX747-4K
UHD50

Brand

ViewSonic
Optoma

Rating

4.2 of 5
3.8 of 5

Reviews

101
115

Resolution

Native resolution

3840 x 2160
3840 x 2160

Max resolution (resized)

3840 x 2160
4096 x 2160

Resolution abbreviation

4K
4K

Properties

Projection screen size, inch

60 - 200
30 - 300

Projection distance, m/ft

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

Aspect ratio

16:9
16:9

Brightness, lumens

3500
2400

Contrast ratio

12000:1
500000:1

Throw ratio range

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

Color reproduction

1.07 billion
1.07 billion

Pixel number

8294400
8847360

Projection system

DLP
DLP

Noise level, dBA

28

Input lag, ms

60

Power consumption, W

310
348

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

Lamp

Lamp type, W

240
240

Lamp life (normal mode), hours

4000
4000

Lamp life (eco mode), hours

15000
15000

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

Audio

Integrated speakers

Speaker power, W

10
10

Sound type

mono
stereo

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

0/32
5/41

Max, C/F

40/104
40/104

User manual

Manual

Dimensions

Size W x H x D, сm/inches

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

Weight, kg/pounds

4.01/8.84
4.9/11.8

Projectors HelpToChoose comparison rating

  • better
  • worse
  • 11.1
  • 10.9
  • 11.1ViewSonic PX747-4K
  • 10.9Optoma UHD50

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

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