Aug 30, 2020
I hope you will find this Optoma UHD51ALV review helpful enough for your future purchases. I was very delighted to test this unit, as it has 4K True HD resolution and stunning 3D support. The colors ...
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Optoma UHD51ALV vs Epson Home Cinema 2100
Optoma and Epson
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Common
Product
Optoma UHD51ALV
Epson Home Cinema 2100
Model
UHD51ALV
Home Cinema 2100
Brand
Optoma
Epson
Reviews
146
188
Resolution
Native resolution
3840 x 2160
1920 x 1080
Max resolution (resized)
4096 x 2160
1920 x 1080
Resolution abbreviation
4K UHD
Full HD
Properties
Projection screen size, inch
34-302
30-300
Projection distance, m/ft
0.8 - 10.6/2.9 - 34.9
0.7 - 7.2/1.6 - 22.9
Aspect ratio
16:9
16:9
Brightness, lumens
3000
2500
Contrast ratio
500000:1
35000:1
Throw ratio range
1.21:1 - 1.59:1
1.33:1 - 2.16:1
Color reproduction
1.07 billion
Projection system
DLP
3LCD
Noise level, dBA
28
37
Power consumption, W
317
312
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
Amazon Alexa, Google Assistant, DLP
has not
Lamp
Lamp type, W
240
200
Lamp life (normal mode), hours
4000
4000
Lamp life (eco mode), hours
10000
7500
Connectivity
HDMI
2
2
VGA input
1
1
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
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
10
Sound type
stereo
mono
Lens
F-number
2.5 - 3.26
1.51 - 1.99
Focal length, mm
20.9 - 32.6
18.2 - 29.2
Lens shift, %
vertical +/- 10
vertical +/- 30
Zoom ratio
1.3x
1.6x
Settings
Keystone adjustment vertical, +- degrees
30
Keystone adjustment horizontal, +- degrees
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
39.1 x 12.9 x 28,1/15.4 x 5.1 x 11.1
30.4 x 10.1 x 27.9/12.2 x 4.8 x 11.2
Weight, kg/pounds
5.3/11.7
3.1/7.5
Other
Release year
2018
2017
Projectors CHooseratoR comparison rating
- 9.6Optoma UHD51ALV
- 7.3Epson Home Cinema 2100
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