Optoma HD28HDR vs Optoma ML750 review
Add projector to compare
We didn't find anything to show here
Common
Product
Optoma HD28HDR
Optoma ML750
Model
HD28HDR
ML750
Brand
Optoma
Optoma
Rating
4.2
Reviews
274
Translation properties
Projection system
DLP
DLP
Native resolution
1920x1080
1280 x 800
Aspect ratio
16:9
16:9
Pixel number
2073600
1024000
Brightness
3600 lumens
700 lumens
Color reproduction
1.07 billion
16.77 million
Contrast ratio
50000:1
10000:1
Throw ratio range
1.47 – 1.62
1.0 - 1.5
Lamp
Lamp type
240 W
Lamp life
Normal mode
4000
Eco mode
15000
20000
Lens
F-number
2.1 – 2.3
2.0
Focal length
15.6 to 17.1 mm
14.95 mm
Lens shift
has not
Zoom ratio
1.0 - 1.1
1.0 - 1.1
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
1
USB (Type A)
1
1
USB (Type mini-B)
has not
has not
RS232 (DB-9pin)
has not
has not
Sound
Integrated speaker
Speaker power
5 W
1 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
Vertical +- 40 degrees
Keystone correction auto
Operating distance
19 ft
19 ft
Security functions
Audible noise
Normal mode
28 dB
Eco mode
26 dB
30 dBA
Operating temperature
Min
5
5 C
Max
40
40 C
Features
Color
white
white
Wireless
Remote control
Mouse functions
Warranty
1 year
1 Year
Dimensions
Product size
9.5 x 12.4 x 4.3 inches
8.8 x 12.4 x 4 inches
Product weight
8.50 pounds
5.5 pounds
Optoma HD28HDR overview
Optoma ML750 overview
We've tested most popular Home theater projectors, analysed all technical characteristics and features to find the Best Projectors 2025
Latest Home theater projectors comparison
Popular Home theater projectors comparison
