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Optoma UHD65 vs ViewSonic PX747-4K

19.61 in
5.55 in
Optoma UHD65 Projector
Optoma UHD65
13.07 in
5.31 in
ViewSonic PX747-4K Projector
ViewSonic PX747-4K
Available colors
Editiorial reviews
14
4.1 out of 5
8 user ratings
5 stars
25 %
4 stars
75 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
9
4.0 out of 5
5 user ratings
5 stars
20 %
4 stars
80 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
51
4.0 out of 5
51 user ratings
5 stars
37 %
4 stars
33 %
3 stars
21 %
2 stars
7 %
1 stars
0 %
59
3.9 out of 5
59 user ratings
5 stars
33 %
4 stars
35 %
3 stars
18 %
2 stars
10 %
1 stars
1 %

Full Comparison

General

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Projector typeDLPDLP

Connectivity

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Analog 3.5mm outputyesyes
Analogue 3.5mm inputyesyes
Component input (YPbPr/YCbCr)noyes
Composite inputnoyes
Serial interface typeRS-232RS-232
DisplayPortnono
DVI innono
HDMIyesyes
HDMI version1.4a/2.02.0
Number of HDMI inputs22
HDMI connector typeFull-sizeFull-size
MHLyesno
HDCPyesyes
Other connectors5mm output5mm output
S-video inputnono
USByesyes
USB 2.021
VGA inyesyes
Number of VGA (D-Sub) ports11
12V triggeryesyes
AC (power) inputyesyes

Design

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Design typeDesktop projectorDesktop projector
Portablenoyes
Colour of productBlackWhite
Built-in displaynono
Cable lock slotyesyes

Technical details

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Noise level25 - 28< 27
Operating relative humidity (H-H)0 - 850 - 90

Dimensions

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Width19.61 in13.07 in
Height5.55 in5.31 in
Depth13.03 in10.28 in
Weight17.2 lb8.82 lb

Optics

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Lens shiftyesno
Throw ratio1.39 - 2.221.47 - 1.76
Aperture range (F-F)2.5 - 3.261.94 - 2.06
Zoom ratio1.6 x1.2 x
Projection distance1.3 - 9.397 - 11.69

Lighting

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Type of lampBulbBulb
Lamp life max (normal)1500.0 h4000.0 h
Lamp life max (eco)10000.0 h15000.0 h
Number of lamps11
Bulb power240.0 W240.0 W

Image

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Screen size26.4 - 302.476.2 - 300
Screen size compatibility26.45 - 302.230 - 300
Resolution3840 x 2160 px3840 x 2160 px
Number of colours1.073 billion colours1.07 billion colours
Supported graphics resolutions
  • 640 x 480
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 720
  • 1280 x 768
  • 1920 x 1080
  • 1920 x 1200
  • 640 x 480
  • 720 x 480
  • 720 x 576
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 720
  • 1280 x 768
  • 1280 x 800
  • 1280 x 960
  • 1400 x 1050
  • 1440 x 900
  • 1680 x 1050
  • 1920 x 1080
  • 3840 x 2160
Native aspect ratio16:916:9
Aspect ratio
  • 4:3
  • 16:9
16:9
Brightness (max)2200.0 lm3500.0 lm
Contrast ratio1200000:112000:1
Dynamic contrast1200000:112000:1
Video formats supported
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p

Features

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
RoHS complianceyesyes
Handheld remote controlyesyes
Memory card readernono
On Screen Display (OSD)yesyes

Communication

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Ethernet connectionyesno
Wireless network (Wi-Fi)nono

Compatibility

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
3D support (3D-Ready)nono
HD readyyesyes
Full HD (HD ready 1080p)yesyes
HDRyesyes

Audio features

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Built-in speakersyesyes
RMS rated power4.0 W10.0 W

Power

Optoma UHD65Optoma UHD65
ViewSonic PX747-4KViewSonic PX747-4K
Operational Power Consumption (min-max)249 - 305< 330
Power consumption (typical)305.0 W310.0 W
Power consumption (standby)0.5 W0.5 W
Power management
  • Mains
  • USB
Mains

Pros & Cons

Pros
      Cons

          Often compared with Optoma UHD65

          Often compared with ViewSonic PX747-4K