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...
Read More
Optoma UHD51A vs ViewSonic PRO7827HD
Optoma and ViewSonic
uhd51a.jpg
Add home theater projector to comparison
We didn't find anything to show here
Common
Product
Optoma UHD51A
ViewSonic PRO7827HD
Model
UHD51A
PRO7827HD
Brand
Optoma
ViewSonic
Reviews
146
137
Resolution
Native resolution
3840 x 2160
1920 x 1080
Max resolution (resized)
3840 x 2160
1920 x 1080
Resolution abbreviation
4K UHD
Full HD
Properties
Projection screen size, inch
30-300
30-300
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
1.2 - 14.2/4.2 - 46.9
Aspect ratio
16:9
16:9
Brightness, lumens
2400
2200
Contrast ratio
500000:1
22000:1
Throw ratio range
1.21:1 - 1.59:1
1.1:1 - 1.5:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
28
34
Power consumption, W
317
350
Features
Remote control
HDR
3D
Security
kensington lock, password protection
password protection
Projection method
front, rear, ceiling mount, tabletop
front, ceiling mount, tabletop
Wireless connection
Additional features
DLP, Amazon Alexa, Google Assistant
has not
Lamp
Lamp type, W
240
240
Lamp life (normal mode), hours
4000
3500
Lamp life (eco mode), hours
15000
6500
Connectivity
HDMI
2
3
VGA input
1
1
Composite video input (RCA)
0
1
Audio input (RCA)
0
1
Audio input (3.5mm)
1
0
Audio output (3.5mm)
1
1
SPDIF (optical)
1
0
Ethernet (RJ45)
1
0
MHL
RS-232
1
1
12V trigger
1
0
USB
3
1
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
5
10
Sound type
stereo
mono
Lens
F-number
2.5 - 3.26
Focal length, mm
20.91 - 32.62
Lens shift, %
vertical +/- 15
vertical +/- 10
Zoom ratio
1.3x
1.3x
Settings
Keystone adjustment vertical, +- degrees
10
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
5/41
0/32
Max, C/F
40/104
40/104
Dimensions
Size W x H x D, сm/inches
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1
30.4 x 20.3 x 10.1/12.4 x 8.9 x 4.1
Weight, kg/pounds
6.5/11.7
2.2/5.7
Other
Release year
2018
2016
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51A
- 7ViewSonic PRO7827HD
Popular home theater projector comparisons
$3000$2100
$1500$900
$3000$1700
$1900$0
$400$300
$700$700