Optoma HD28HDR vs Epson EX7210 review
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Common
Product
Optoma HD28HDR
Epson EX7210
Model
HD28HDR
EX7210
Brand
Optoma
Epson
Rating
3.5
Reviews
130
Translation properties
Projection system
DLP
3LCD
Native resolution
1920x1080
1280 x 800
Aspect ratio
16:9
16:10
Pixel number
2073600
1024000
Brightness
3600 lumens
2800 lumens
Color reproduction
1.07 billion
16.77 million
Contrast ratio
50000:1
3000:1
Throw ratio range
1.47 – 1.62
1.3 - 1.56
Lamp
Lamp type
240 W
200 W
Lamp life
Normal mode
4000
4000
Eco mode
15000
5000
Lens
F-number
2.1 – 2.3
1.58 - 1.72
Focal length
15.6 to 17.1 mm
16.9 - 20.28 mm
Lens shift
has not
Zoom ratio
1.0 - 1.1
1.0 - 1.2
Interface
HDMI
2
1
D-sub 15pin
has not
1
Composite video (RCA)
has not
1
Audio L/R (RCA)
has not
1
Audio out (Mini Jack)
1
has not
USB (Type A)
1
1
USB (Type mini-B)
has not
1
RS232 (DB-9pin)
has not
has not
Sound
Integrated speaker
Speaker power
5 W
2 W
Sound type
mono
mono
Resolution support
640 x 480
1024 x 768
1280 x 800
1400 x 1050
1920 x 1080
Video compatibility
NTSC
PAL
SECAM
3D
Settings
Keystone correction manual
vertical +-40 degrees
Horizontal +- 30 degrees
Keystone correction auto
Vertical +- 30 degrees
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
28 dB
37 dBA
Eco mode
26 dB
29 dBA
Operating temperature
Min
5
5 C
Max
40
35 C
Features
Color
white
black
Wireless
Remote control
Mouse functions
Warranty
1 year
1 Year
Dimensions
Product size
9.5 x 12.4 x 4.3 inches
11.6 x 9 x 3.1 inches
Product weight
8.50 pounds
5.1 pounds
Optoma HD28HDR overview
Epson EX7210 overview
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