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
Acer V7850BD Projector
Acer V7850BD
Close
Optoma UHD30 Projector
Optoma UHD30
Close
Optoma UHD51 Projector
Optoma UHD51
Available colors
Editiorial reviews
2
2 editorial reviews
Does Acer's V7850 4K DLP projector offer better value than their V9800?Read more
Our Acer V7850 review takes a look at one of the company's two new UHD 4K projectors and puts it through its paces for both media consumption and game playing.Read more
Read editorial reviews
2
2 editorial reviews
Supersized 4K projection for day or nightRead more
If you crave extra resolution on a big screen this is a solid choice, but non-4K projectors are better values.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
37
4.2 out of 5
37 user ratings
5 stars
45 %
4 stars
27 %
3 stars
27 %
2 stars
0 %
1 stars
0 %
46
4.1 out of 5
46 user ratings
5 stars
41 %
4 stars
30 %
3 stars
21 %
2 stars
6 %
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 %

General

Projector typeDLPDMDDLP

Connectivity

Number of component video (YPbPr/YCbCr) inputs1
N/A
N/A
Number of composite video inputs1
N/A
N/A
Serial interface typeRJ-45RS-232RS-232
HDMI version2.01.4a/2.02.0
Number of HDMI inputs222
HDMI connector typeFull-sizeFull-sizeFull-size
USB 2.0122
Number of VGA (D-Sub) ports211
Digital coaxial output (S/PDIF)
N/A
yesyes
DVI in
N/A
nono
MHL
N/A
yes
N/A
MHL version
N/A
2.1
N/A
HDCP
N/A
noyes
Number of headphone outputs
N/A
1
N/A
Microphone input
N/A
yes
N/A
AC (power) input
N/A
yesyes
Analog 3.5mm output
N/A
N/A
yes
Analogue 3.5mm input
N/A
N/A
yes
HDMI
N/A
N/A
yes
Other connectors
N/A
N/A
5mm output
USB
N/A
N/A
yes
VGA in
N/A
N/A
yes
12V trigger
N/A
N/A
yes

Design

Design typeStandard throw projectorStandard throw projectorDesktop projector
Colour of productWhiteWhiteBlack
Built-in displaynonono
Portable
N/A
N/A
no
Steering
N/A
N/A
Manual
Cable lock slot
N/A
N/A
yes

Technical details

Operating relative humidity (H-H)0 - 805 - 850 - 85
Noise level
N/A
26.0 dB< 25

Dimensions

Width15.67 in12.4 in15.43 in
Height5.0 in4.6 in4.65 in
Depth11.0 in10.6 in11.06 in
Weight12.13 lb8.6 lb11.51 lb

Optics

Focal length range (f-f)20.91 - 32.6212.81 - 16.7412.81 - 16.74
Throw ratio1.39 - 2.221.5 - 1.661.21 - 1.59
Aperture range (F-F)2.5 - 3.261.94 - 2.23
N/A
Zoom ratio1.6 x1.1 x1.3 x
Projection distance1.3 - 9.31.2 - 14.91.2 - 8.1
Focus
N/A
Manual
N/A
Zoom type
N/A
ManualManual
Offset
N/A
105.0 %105.0 %
Lens shift
N/A
N/A
yes
Type of lens shift
N/A
N/A
Vertical

Lighting

Type of lampUHP
N/A
N/A
Number of lamps111
Lamp life max (normal)
N/A
N/A
4000.0 h
Lamp life max (eco)
N/A
N/A
10000.0 h
Bulb power
N/A
N/A
240.0 W

Image

Screen size26 - 30234.3 - 302.434.3 - 302.4
Screen size compatibility26 - 30234.1 - 302.434.1 - 302.4
Number of colours1.073 billion colours1.073 billion colours
N/A
Native aspect ratio16:916:916:9
Aspect ratio4:3
  • 4:3
  • 16:9
  • 4:3
  • 16:9
Brightness (max)2200.0 lm3400.0 lm2400.0 lm
Vertical synchronization (max)0.12 kHz
N/A
N/A
Vertical synchronization (min)0.02 kHz
N/A
N/A
Supported graphics resolutions
N/A
  • 640 x 480
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 768
  • 1360 x 768
  • 1440 x 900
  • 1600 x 1200
  • 1920 x 1200
  • 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
Video formats supported
N/A
  • 720i
  • 1080i
  • 1080p
  • 2160i
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
Resolution
N/A
N/A
3840 x 2160 px
Contrast ratio
N/A
N/A
500000:1
Dynamic contrast
N/A
N/A
500000:1

Features

Handheld remote controlyesyesyes
Memory card readernonono
Password protection
N/A
yesyes
Smart TV
N/A
no
N/A
On Screen Display (OSD)
N/A
N/A
yes
On Screen Display (OSD) languages
N/A
N/A
  • CHI
  • DEU
  • ENG
  • ESP
  • FRE
  • ITA
  • JPN
  • POR
  • RUS

Communication

Ethernet connectionyesnoyes
Number of Ethernet LAN (RJ-45) ports1
N/A
1
Wireless network (Wi-Fi)
N/A
nono

Compatibility

Full HD (HD ready 1080p)yesyesyes
Supported 3D formats
N/A
  • Frame packing
  • Side by side
  • Top and bottom
N/A
3D support (3D-Ready)
N/A
N/A
yes
HD ready
N/A
N/A
yes
HDR
N/A
N/A
yes

Audio features

Built-in speakersyesyesyes
Number of built-in speakers2
N/A
2
RMS rated power5.0 W5.0 W5.0 W

Often compared with Optoma UHD30

Optoma UHD30 Projector
Optoma UHD300X
OptomaUHD30
OptomaUHD300X
Optoma UHD30 Projector
Optoma UHD51
OptomaUHD30
OptomaUHD51
Optoma UHD30 Projector
Optoma UHD60
OptomaUHD30
OptomaUHD60
Optoma UHD30 Projector
BenQ TK800M
OptomaUHD30
BenQTK800M
Optoma UHD30 Projector
BenQ TK800
OptomaUHD30
BenQTK800

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