We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 3 products

Close
Optoma UHD350X Projector
Optoma UHD350X
Close
Optoma UHD51 Projector
Optoma UHD51
Close
ViewSonic PJD5154 Projector
ViewSonic PJD5154
Available colors
Editiorial reviews
2
2 editorial reviews
A powerhouse projector aimed squarely at gamingRead more
The Optoma UHD35 home entertainment projector delivers a bright, 4K (3,840-by-2,160) picture at large size, low input lag for gaming, and Full HD 3D. It's well suited to movies, video, or gaming in a family room with ambient light.Read more
Read editorial reviews
6
6 editorial reviews
I’ve been writing about projectors for more than 10 years now, and it has been a delight to see the quality increase and the prices fall. And, of course, the technological developments. But, in truth, I haven’t been all that enamoured by the move to ever higher resolutions. Some years ago, I was telling readers that “720 is plenty”. Even on a 100″ projector screen, the resolution is enough to banish any blurring at the… Now read on…Read more
Our Optoma UHD51A review takes a look at a 4K UHD HDR home theatre projector with both Alexa and Google Home support, as well as a built-in media player.Read more
‘Hey Alexa, bring the cinema home’Read more
Read editorial reviews
User rating
45
4.1 out of 5
45 user ratings
5 stars
33 %
4 stars
42 %
3 stars
22 %
2 stars
2 %
1 stars
0 %
47
3.8 out of 5
47 user ratings
5 stars
27 %
4 stars
34 %
3 stars
29 %
2 stars
8 %
1 stars
0 %
36
4.0 out of 5
36 user ratings
5 stars
30 %
4 stars
41 %
3 stars
25 %
2 stars
2 %
1 stars
0 %

General

Projector typeDLPDLPDLP

Connectivity

Digital coaxial output (S/PDIF)yesyes
N/A
Serial interface typeRS-232RS-232RS-232
DVI innonono
HDMIyesyesyes
HDMI version2.02.01.4a
Number of HDMI inputs221
HDMI connector typeFull-sizeFull-size
N/A
USByesyesyes
USB 2.0221
VGA inyesyesyes
Number of VGA (D-Sub) ports111
AC (power) inputyesyesyes
Analog 3.5mm output
N/A
yes
N/A
Analogue 3.5mm input
N/A
yesyes
HDCP
N/A
yes
N/A
Other connectors
N/A
5mm output
N/A
12V trigger
N/A
yes
N/A
Number of headphone outputs
N/A
N/A
1
Microphone input
N/A
N/A
yes
HDBaseT
N/A
N/A
no

Design

Design typeStandard throw projectorDesktop projectorDesktop projector
Colour of productBlackBlackBlack
Built-in displaynono
N/A
Cable lock slotyesyes
N/A
Portable
N/A
no
N/A
Steering
N/A
Manual
N/A

Technical details

Noise level27.0 dB< 25< 27
Noise level (economic mode)25.0 dB
N/A
27.0 dB
Operating relative humidity (H-H)0 - 850 - 8510 - 90

Dimensions

Width15.43 in15.43 in12.44 in
Height4.65 in4.65 in4.08 in
Depth11.06 in11.06 in8.98 in
Weight11.51 lb11.51 lb4.85 lb

Optics

Focal length range (f-f)12.81 - 16.7412.81 - 16.74
N/A
Throw ratio1.21 - 1.591.21 - 1.591.96 - 2.15
Zoom ratio1.3 x1.3 x
N/A
Zoom typeManualManual
N/A
Projection distance1.2 - 8.11.2 - 8.1
N/A
Offset105.0 %105.0 %120.0 %
Lens shift
N/A
yes
N/A
Type of lens shift
N/A
Vertical
N/A
Digital zoom
N/A
N/A
2.0 x
Optical zoom
N/A
N/A
1.1 x
Matrix type
N/A
N/A
DMD

Lighting

Lamp life max (normal)4000.0 h4000.0 h5000.0 h
Lamp life max (eco)15000.0 h10000.0 h10000.0 h
Number of lamps111
Bulb power240.0 W240.0 W190.0 W

Image

Screen size34.3 - 302.434.3 - 302.4
N/A
Screen size compatibility34.1 - 302.434.1 - 302.430 - 300
Resolution3840 x 2160 px3840 x 2160 px800 x 600 px
Supported graphics resolutions
  • 640 x 480
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 720
  • 1280 x 800
  • 1360 x 768
  • 1600 x 1200
  • 1920 x 1080
  • 1920 x 1200
  • 2560 x 1600
  • 3840 x 2160
  • 640 x 480
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 720
  • 1280 x 768
  • 1600 x 1200
  • 1920 x 1080
  • 1920 x 1200
  • 3840 x 2160
  • 320 x 192
  • 640 x 480
  • 720 x 480
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1152 x 870
  • 1280 x 720
  • 1280 x 800
  • 1280 x 960
  • 1360 x 768
  • 1400 x 1050
  • 1440 x 900
  • 1600 x 1200
  • 1680 x 1050
  • 1920 x 1080
Native aspect ratio16:916:9
N/A
Aspect ratio
  • 4:3
  • 16:9
  • 4:3
  • 16:9
  • 2.35:1
  • 4:3
  • 16:9
Brightness (max)2200.0 lm2400.0 lm3500.0 lm
Contrast ratio250000:1500000:122000:1
Dynamic contrast250000:1500000:122000:1
Video formats supported
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
Number of colours
N/A
N/A
1.073 billion colours
Digital gamma correction
N/A
N/A
yes
Noise reduction
N/A
N/A
yes

Features

Handheld remote controlyesyes
N/A
Memory card readernonono
On Screen Display (OSD)yesyesyes
On Screen Display (OSD) languages
  • CHI
  • DEU
  • ENG
  • ESP
  • FRE
  • ITA
  • JPN
  • POR
  • RUS
  • CHI
  • DEU
  • ENG
  • ESP
  • FRE
  • ITA
  • JPN
  • POR
  • RUS
N/A
Smart TVno
N/A
N/A
Password protection
N/A
yes
N/A
RoHS compliance
N/A
N/A
yes
Quick start guide
N/A
N/A
yes
Remote control
N/A
N/A
yes
Optical disc player type
N/A
N/A
Not included
Auto power off
N/A
N/A
yes

Communication

Ethernet connectionyesyesno
Number of Ethernet LAN (RJ-45) ports11
N/A
Wireless network (Wi-Fi)nono
N/A

Compatibility

3D support (3D-Ready)yesyesyes
Supported 3D formats
  • Frame packing
  • Side by side
  • Top and bottom
N/A
N/A
HD readyyesyesyes
Full HD (HD ready 1080p)yesyesno
HDRyesyes
N/A
Analog signal format system
N/A
N/A
  • NTSC
  • PAL
  • PAL 60
  • SECAM

Audio features

Built-in speakersyesyesyes
Number of built-in speakers221
RMS rated power10.0 W5.0 W2.0 W

Power

Power consumption (typical)249.0 W
N/A
N/A
Power consumption (standby)0.5 W0.5 W0.5 W
Power consumption (max)305.0 W305.0 W265.0 W

Often compared with Optoma UHD350X

Optoma UHD350X Projector
Optoma UHD51
OptomaUHD350X
OptomaUHD51

Often compared with Optoma UHD51

Optoma UHD51 Projector
Optoma UHD350X
OptomaUHD51
OptomaUHD350X
Optoma UHD51 Projector
BenQ W2700
OptomaUHD51
BenQW2700
Optoma UHD51 Projector
Optoma UHD40
OptomaUHD51
OptomaUHD40
Optoma UHD51 Projector
Optoma UHD30
OptomaUHD51
OptomaUHD30