ViewSonic PX747-4K vs Optoma UHL55 review
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It makes sense comparing ViewSonic PX747-4K vs Optoma UHL55 because they both are able to give some premium features. Based on our rating, PX747-4K has a total rating of 7.3 out of 10 versus 9 for UHL55.
Advantages ViewSonic PX747-4K over Optoma UHL55
- Bigger projection screen size: 60-200 inch vs 30-200 inch
- Better brightness: 3500 vs 1500 lumens
- Lower noise level, 27 dB vs 28 dB
Advantages Optoma UHL55 over ViewSonic PX747-4K
- Lower power consumption, 170 W vs 310 W
- 3D support
- Wireless connection enabled
- Longer lamp life (normal mode): 20000 vs 4000 hours
- More USB ports: 2 vs 1
- Stereo sound vs mono from integrated speakers
Common features and specifications
- 4K UHD resolution
- HDR-compatible
- Equal HDMI connectors quantity: 2
- Integrated speakers
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Common
Product
ViewSonic PX747-4K
Optoma UHL55
Model
PX747-4K
UHL55
Brand
ViewSonic
Optoma
Reviews
523
79
Resolution
Native resolution
3840 x 2160
3840 x 2160
Max resolution (resized)
3840 x 2160
3840 x 2160
Resolution abbreviation
4K UHD
4K UHD
Properties
Projection screen size, inch
60-200
30-200
Projection distance, m/ft
0.9 - 11.6/2.9 - 38
0.7 - 5.3/2.6 - 17.4
Aspect ratio
16:9
16:9
Brightness, lumens
3500
1500
Contrast ratio
12000:1
250000:1
Throw ratio range
1.47:1 - 1.76:1
1.2:1
Color reproduction
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
27
28
Power consumption, W
310
170
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
Bluetooth, Amazon Alexa, Google Assistant, DLP
Lamp
Lamp type, W
240
Lamp life (normal mode), hours
4000
20000
Lamp life (eco mode), hours
15000
30000
Connectivity
HDMI
2
2
VGA input
1
0
Composite video input (RCA)
0
0
Audio input (RCA)
0
0
Audio input (3.5mm)
1
0
Audio output (3.5mm)
1
1
SPDIF (optical)
0
1
Ethernet (RJ45)
0
1
MHL
RS-232
0
0
12V trigger
1
0
USB
1
2
USB (service)
1
0
Audio
Integrated speakers
Speaker power, W
10
8
Sound type
mono
stereo
Lens
F-number
Focal length, mm
Lens shift, %
Zoom ratio
1.2x
Settings
Keystone adjustment vertical, +- degrees
40
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
0/32
5/41
Max, C/F
40/104
40/104
Dimensions
Size W x H x D, сm/inches
33 x 12.7 x 25.4/13.1 x 5.3 x 10.3
21.8 x 13.4 x 21.8/8.6 x 5.3 x 8.6
Weight, kg/pounds
4.01/8.84
3.9/8.7
Other
Release year
2018
2018
Projectors SoundStrokes Art comparison rating
- 7.3ViewSonic PX747-4K
- 9Optoma UHL55
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