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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Optoma UHD51A vs BenQ HT3550
Optoma and BenQ
uhd51a.jpg
Aug 20, 2020
The HT3550 review must be started with its incredible characteristics: it has a new convenient design for beginners but it's also optimized for BenQ's HDR-PRO that supports HDR10 and HLG, moreover, i...
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Common
Product
Optoma UHD51A
BenQ HT3550
Model
UHD51A
HT3550
Brand
Optoma
BenQ
Reviews
146
324
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
30-300
30-200
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
0.7 - 9.9/1.8 - 29.5
Aspect ratio
16:9
16:9
Brightness, lumens
2400
2000
Contrast ratio
500000:1
30000:1
Throw ratio range
1.21:1 - 1.59:1
1.13:1 - 1.47:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
28
30
Power consumption, W
317
350
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, Amazon Alexa, Google Assistant
has not
Lamp
Lamp type, W
240
245
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
15000
15000
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)
1
1
Ethernet (RJ45)
1
0
MHL
RS-232
1
1
12V trigger
1
1
USB
3
2
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
5
5
Sound type
stereo
stereo
Lens
F-number
2.5 - 3.26
1.9 - 2.47
Focal length, mm
20.91 - 32.62
12 - 15.6
Lens shift, %
vertical +/- 15
vertical +/- 10
Zoom ratio
1.3x
1.3x
Settings
Keystone adjustment vertical, +- degrees
30
Keystone adjustment horizontal, +- degrees
Operating temperature
Min, C/F
5/41
0/32
Max, C/F
40/104
35/95
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
38 x 12.7 x 26.3/14.9 x 5 x 10.3
Weight, kg/pounds
6.5/11.7
4.2/9.3
Other
Release year
2018
2019
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51A
- 8BenQ HT3550
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