ViewSonic PX747-4K review
Jul 07, 2020
The high brightness and native 4K resolution, accurate color mapping, and contrast make the ViewSonic PX747-4K a worthy choice for the home theater setup. It doesn’t depend much on the environm...
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Optoma UHD50 review
Jun 23, 2020
The true 4K picture with high sharpness of details and true-to-source color make the highlights of the Optoma UHD50 review. This projector has a good focal range and throw ratio providing the crisp i...
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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
N/A
N/A
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
- 11.1ViewSonic PX747-4K
- 10.9Optoma UHD50
ViewSonic PX747-4K is better home theater projector in this comparison. Check ViewSonic PX747-4K price
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