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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ViewSonic PA503W vs Optoma UHD51A
ViewSonic and Optoma
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Common
Product
ViewSonic PA503W
Optoma UHD51A
Model
PA503W
UHD51A
Brand
ViewSonic
Optoma
Reviews
2097
146
Resolution
Native resolution
1280 x 800
3840 x 2160
Max resolution (resized)
1920 x 1200
3840 x 2160
Resolution abbreviation
WXGA
4K UHD
Properties
Projection screen size, inch
30-300
30-300
Projection distance, m/ft
0.9 - 10.9/3.2 - 36
0.8 - 10.6/2.9 - 34.8
Aspect ratio
16:10
16:9
Brightness, lumens
3600
2400
Contrast ratio
22000:1
500000:1
Throw ratio range
1.55:1 - 1.7:1
1.21:1 - 1.59:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
33
28
Power consumption, W
260
317
Features
Remote control
HDR
3D
Security
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
200
240
Lamp life (normal mode), hours
4500
4000
Lamp life (eco mode), hours
15000
15000
Connectivity
HDMI
1
2
VGA input
2
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
1
3
USB (service)
0
1
Audio
Integrated speakers
Speaker power, W
2
5
Sound type
mono
stereo
Lens
F-number
2.5 - 3.26
Focal length, mm
20.91 - 32.62
Lens shift, %
vertical +/- 15
Zoom ratio
1.1x
1.3x
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
29.4 x 10.9 x 21.8/11.6 x 4.3 x 8.6
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1
Weight, kg/pounds
2.22/4.89
6.5/11.7
Other
Release year
2017
2018
Projectors CHooseratoR comparison rating
- 6ViewSonic PA503W
- 9.6Optoma UHD51A
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