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 Epson Home Cinema 660
Optoma and Epson
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Common
Product
Optoma UHD51A
Epson Home Cinema 660
Model
UHD51A
Home Cinema 660
Brand
Optoma
Epson
Reviews
146
163
Resolution
Native resolution
3840 x 2160
800 x 600
Max resolution (resized)
3840 x 2160
800 x 600
Resolution abbreviation
4K UHD
SVGA
Properties
Projection screen size, inch
30-300
30-350
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.8
1.1 - 4.1/3.2 - 13.1
Aspect ratio
16:9
4:3
Brightness, lumens
2400
3300
Contrast ratio
500000:1
15000:1
Throw ratio range
1.21:1 - 1.59:1
1.45:1 - 1.96:1
Color reproduction
1.07 billion
1.07 billion
Projection system
DLP
3LCD
Noise level, dBA
28
37
Power consumption, W
317
296
Features
Remote control
HDR
3D
Security
kensington lock, password protection
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
210
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
15000
6000
Connectivity
HDMI
2
1
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
0
SPDIF (optical)
1
0
Ethernet (RJ45)
1
0
MHL
RS-232
1
0
12V trigger
1
0
USB
3
1
USB (service)
1
1
Audio
Integrated speakers
Speaker power, W
5
2
Sound type
stereo
mono
Lens
F-number
2.5 - 3.26
1.44
Focal length, mm
20.91 - 32.62
16.7
Lens shift, %
vertical +/- 15
vertical +/- 30, horizontal +/- 30
Zoom ratio
1.3x
1.35x
Settings
Keystone adjustment vertical, +- degrees
30
Keystone adjustment horizontal, +- degrees
30
Operating temperature
Min, C/F
5/41
5/41
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
52 x 19.3 x 44.9/20.5 x 7.6 x 17.7
Weight, kg/pounds
6.5/11.7
2.4/5.3
Other
Release year
2018
2017
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51A
- 5.6Epson Home Cinema 660
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