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Compare 4 products

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BenQ TK800 Projector
BenQ TK800
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Optoma UHD30 Projector
Optoma UHD30
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Optoma UHD51 Projector
Optoma UHD51
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Optoma UHD65 Projector
Optoma UHD65
Available colors
Editiorial reviews
19
4.4 out of 5
10 user ratings
5 stars
60 %
4 stars
40 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
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
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
User rating
59
4.0 out of 5
59 user ratings
5 stars
40 %
4 stars
27 %
3 stars
23 %
2 stars
6 %
1 stars
1 %
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 %
52
4.0 out of 5
52 user ratings
5 stars
36 %
4 stars
32 %
3 stars
23 %
2 stars
7 %
1 stars
0 %

General

Projector typeDLPDMDDLPDLP

Connectivity

Serial interface typeRS-232RS-232RS-232RS-232
DVI innononono
HDMIyes
N/A
yesyes
HDMI version1.4a/2.01.4a/2.02.01.4a/2.0
Number of HDMI inputs2222
HDMI connector typeFull-sizeFull-sizeFull-sizeFull-size
HDCPyesnoyesyes
USByes
N/A
yesyes
USB 2.01222
VGA inyes
N/A
yesyes
Number of VGA (D-Sub) ports1111
12V triggeryes
N/A
yesyes
AC (power) inputyesyesyesyes
Digital coaxial output (S/PDIF)
N/A
yesyesyes
MHL
N/A
yes
N/A
yes
MHL version
N/A
2.1
N/A
2.1
Number of headphone outputs
N/A
1
N/A
N/A
Microphone input
N/A
yes
N/A
no
Analog 3.5mm output
N/A
N/A
yesyes
Analogue 3.5mm input
N/A
N/A
yesyes
Other connectors
N/A
N/A
5mm output5mm output
Analogue RCA stereo input
N/A
N/A
N/A
no
Component input (YPbPr/YCbCr)
N/A
N/A
N/A
no
Composite input
N/A
N/A
N/A
no
Digital coaxial input (S/PDIF)
N/A
N/A
N/A
no
DisplayPort
N/A
N/A
N/A
no
Headphone output
N/A
N/A
N/A
no
S-video input
N/A
N/A
N/A
no
SCART in
N/A
N/A
N/A
no
USB (total)
N/A
N/A
N/A
1
USB powered (only mha USB)
N/A
N/A
N/A
yes

Design

Design typeDesktop projectorStandard throw projectorDesktop projectorDesktop projector
Colour of product
  • Blue,White
  • Turquoise,White
WhiteBlackBlack
Built-in displaynononono
Portable
N/A
N/A
nono
Steering
N/A
N/A
ManualManual
Cable lock slot
N/A
N/A
yesyes
3-Chip/Colour wheel
N/A
N/A
N/A
Colour wheel

Technical details

Noise level< 3326.0 dB< 2525 - 28
Noise level (economic mode)29.0 dB
N/A
N/A
25.0 dB
Operating relative humidity (H-H)10 - 905 - 850 - 850 - 85

Dimensions

Width13.9 in12.4 in15.43 in19.61 in
Height5.31 in4.6 in4.65 in5.55 in
Depth10.71 in10.6 in11.06 in13.03 in
Weight9.26 lb8.6 lb11.51 lb17.2 lb

Optics

Focal length range (f-f)15.57 - 18.6712.81 - 16.7412.81 - 16.7420.91 - 32.62
Throw ratio1.47 - 1.761.5 - 1.661.21 - 1.591.39 - 2.22
Aperture range (F-F)1.94 - 2.061.94 - 2.23
N/A
2.5 - 3.26
Zoom ratio1.2 x1.1 x1.3 x1.6 x
Offset110.0 %105.0 %105.0 %
N/A
Focus
N/A
Manual
N/A
Manual
Zoom type
N/A
ManualManualManual
Projection distance
N/A
1.2 - 14.91.2 - 8.11.3 - 9.3
Lens shift
N/A
N/A
yesyes
Type of lens shift
N/A
N/A
VerticalVertical
Lens memory
N/A
N/A
N/A
no

Lighting

Lamp life max (normal)4000.0 h
N/A
4000.0 h1500.0 h
Lamp life max (eco)15000.0 h
N/A
10000.0 h10000.0 h
Number of lamps1111
Bulb power240.0 W
N/A
240.0 W240.0 W
Type of lamp
N/A
N/A
N/A
Bulb

Image

Screen size compatibility30 - 30034.1 - 302.434.1 - 302.426.45 - 302.2
Resolution3840 x 2160 px
N/A
3840 x 2160 px3840 x 2160 px
Number of colours1.073 billion colours1.073 billion colours
N/A
1.073 billion colours
Supported graphics resolutions
  • 640 x 480
  • 1280 x 720
  • 3840 x 2160
  • 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
  • 640 x 480
  • 800 x 600
  • 1024 x 768
  • 1280 x 1024
  • 1280 x 720
  • 1280 x 768
  • 1920 x 1080
  • 1920 x 1200
Native aspect ratio16:916:916:916:9
Aspect ratio16:9
  • 4:3
  • 16:9
  • 4:3
  • 16:9
  • 4:3
  • 16:9
Brightness (max)3000.0 lm3400.0 lm2400.0 lm2200.0 lm
Contrast ratio10000:1
N/A
500000:11200000:1
Video formats supported
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 720i
  • 1080i
  • 1080p
  • 2160i
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
Screen size
N/A
34.3 - 302.434.3 - 302.426.4 - 302.4
Dynamic contrast
N/A
N/A
500000:11200000:1
Image frequency
N/A
N/A
N/A
  • 24p
  • 30p
  • 50p
  • 60p
Refresh rate
N/A
N/A
N/A
120.0 Hz

Features

Quick start guideyes
N/A
N/A
N/A
Handheld remote controlyesyesyesyes
Memory card readernononono
On Screen Display (OSD)yes
N/A
yesyes
On Screen Display (OSD) languages
  • ARA
  • BUL
  • CHI
  • CHI
  • CRO
  • CZE
  • DAN
  • DUT
  • ENG
  • FIN
  • FRE
  • GRE
  • HIN
  • HUN
  • IND
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUM
  • RUS
  • SWE
  • THA
  • TUR
N/A
  • CHI
  • DEU
  • ENG
  • ESP
  • FRE
  • ITA
  • JPN
  • POR
  • RUS
  • CHI
  • CHI
  • DEU
  • ENG
  • ESP
  • FRE
  • ITA
  • POR
  • RUS
Smart TVnono
N/A
N/A
Password protection
N/A
yesyes
N/A
RoHS compliance
N/A
N/A
N/A
yes
Backlit remote control
N/A
N/A
N/A
no

Communication

Ethernet connectionnonoyesyes
Wireless network (Wi-Fi)nononono
Number of Ethernet LAN (RJ-45) ports
N/A
N/A
11

Compatibility

3D support (3D-Ready)yes
N/A
yesno
Supported 3D formats
  • Frame Sequential
  • Frame packing
  • Side by side
  • Top and bottom
  • Frame packing
  • Side by side
  • Top and bottom
N/A
N/A
Glasses includedyes
N/A
N/A
N/A
HD readyyes
N/A
yesyes
Full HD (HD ready 1080p)yesyesyesyes
HDRyes
N/A
yesyes
HDR Format
N/A
N/A
N/A
HDR10

Audio features

Built-in speakersyesyesyesyes
Number of built-in speakers1
N/A
22
RMS rated power5.0 W5.0 W5.0 W4.0 W

Power

Operational Power Consumption (min-max)< 330
N/A
N/A
249 - 305
Power consumption (typical)330.0 W315.0 W
N/A
305.0 W
Power consumption (standby)0.5 W0.5 W0.5 W0.5 W
Power consumption (economy mode)
N/A
225.0 W
N/A
249.0 W
Power consumption (max)
N/A
347.0 W305.0 W
N/A
Separate power connector (mains)
N/A
N/A
N/A
Large power inlet connector
Power management
N/A
N/A
N/A
  • Mains
  • USB

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Often compared with Optoma UHD65

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