Aug 27, 2020
In this Optoma HD27HDR review I’d like to introduce you to an incredible projector, which produces 1080p HDR images with a brightness of 3400 lumens. From the first glance, you’ll underst...
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Optoma HD27HDR vs ViewSonic PX747-4K
Optoma and ViewSonic
hd27hdr.jpg
Aug 27, 2020
The ViewSonic PX747-4K review is about a high brightness (3500 ANSI Lumens) 4K UHD projector for professional use and entertainment. With a brightness level of 3500 lumens, it provides a guaranteed p...
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Common
Product
Optoma HD27HDR
ViewSonic PX747-4K
Model
HD27HDR
PX747-4K
Brand
Optoma
ViewSonic
Reviews
860
529
Resolution
Native resolution
1920 x 1080
3840 x 2160
Max resolution (resized)
3840 x 2160
3840 x 2160
Resolution abbreviation
Full HD
4K UHD
Properties
Projection screen size, inch
28-305
60-200
Projection distance, m/ft
0.9 - 10.9/3.2 - 35.9
0.9 - 11.6/2.9 - 38
Aspect ratio
16:9
16:9
Brightness, lumens
3400
3500
Contrast ratio
50000:1
12000:1
Throw ratio range
1.48:1 - 1.62:1
1.47:1 - 1.76:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
26
27
Power consumption, W
236
310
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
DLP
has not
Lamp
Lamp type, W
203
240
Lamp life (normal mode), hours
6000
4000
Lamp life (eco mode), hours
10000
15000
Connectivity
HDMI
2
2
VGA input
0
1
Composite video input (RCA)
0
0
Audio input (RCA)
0
0
Audio input (3.5mm)
0
1
Audio output (3.5mm)
1
1
SPDIF (optical)
0
0
Ethernet (RJ45)
0
0
MHL
RS-232
0
0
12V trigger
0
1
USB
0
1
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
10
10
Sound type
mono
mono
Lens
F-number
2.5 - 2.67
Focal length, mm
21.86 - 24
Lens shift, %
Zoom ratio
1.1x
1.2x
Settings
Keystone adjustment vertical, +- degrees
40
40
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
32 x 11 x 25/12.5 x 4.3 x 9.8
33 x 12.7 x 25.4/13.1 x 5.3 x 10.3
Weight, kg/pounds
2.8/6.2
4.01/8.84
Other
Release year
2018
2018
Projectors CHooseratoR comparison rating
- 8Optoma HD27HDR
- 7.3ViewSonic PX747-4K
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