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 TK800
Optoma and BenQ
uhd51a.jpg
Aug 20, 2020
In the BenQ TK800 review, I’d like to put emphasis on its impressive reproducing of live sports. Experience what happens with a 100-inch image, rich 4K UHD high-definition color reproduction, a...
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Common
Product
Optoma UHD51A
BenQ TK800
Model
UHD51A
TK800
Brand
Optoma
BenQ
Reviews
146
172
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
30-300
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
0.9 - 11.6/3.2 - 36
Aspect ratio
16:9
16:9
Brightness, lumens
2400
3000
Contrast ratio
500000:1
10000:1
Throw ratio range
1.21:1 - 1.59:1
1.5:1 - 1.65:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
DLP
Noise level, dBA
28
33
Power consumption, W
317
330
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
240
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
15000
10000
Connectivity
HDMI
2
2
VGA input
1
1
Composite video input (RCA)
0
0
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
1
USB
3
1
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
5
5
Sound type
stereo
mono
Lens
F-number
2.5 - 3.26
1.94 - 2.06
Focal length, mm
20.91 - 32.62
15.57 - 18.67
Lens shift, %
vertical +/- 15
Zoom ratio
1.3x
1.1x
Settings
Keystone adjustment vertical, +- degrees
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
39.2 x 12.9 x 28.1/15.4 x 5.1 x 11.1
35.2 x 13 x 27.2/13.9 x 5.3 x 10.7
Weight, kg/pounds
6.5/11.7
4.2/9.2
Other
Release year
2018
2018
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51A
- 7.6BenQ TK800
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