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Compare 4 products

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BenQ TK800M Projector
BenQ TK800M
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BenQ TK850 Projector
BenQ TK850
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Optoma UHD30 Projector
Optoma UHD30
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ViewSonic PX747-4K Projector
ViewSonic PX747-4K
Available colors
Editiorial reviews
13
4.4 out of 5
6 user ratings
5 stars
83 %
4 stars
16 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
9
4.4 out of 5
8 user ratings
5 stars
75 %
4 stars
25 %
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
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
61
3.7 out of 5
61 user ratings
5 stars
34 %
4 stars
31 %
3 stars
14 %
2 stars
13 %
1 stars
6 %
44
3.7 out of 5
44 user ratings
5 stars
22 %
4 stars
36 %
3 stars
29 %
2 stars
11 %
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 %
59
3.9 out of 5
59 user ratings
5 stars
33 %
4 stars
35 %
3 stars
18 %
2 stars
10 %
1 stars
1 %

General

Projector typeDLPDLPDMDDLP

Connectivity

Serial interface typeRS-232RS-232RS-232RS-232
DVI innononono
HDMI version1.4a/2.02.0b1.4a/2.02.0
Number of HDMI inputs2222
HDMI connector typeFull-sizeFull-sizeFull-sizeFull-size
HDCPyesyesnoyes
USB 2.01121
Number of VGA (D-Sub) ports1
N/A
11
AC (power) inputyesyesyesyes
Digital coaxial output (S/PDIF)
N/A
N/A
yes
N/A
MHL
N/A
N/A
yesno
MHL version
N/A
N/A
2.1
N/A
Number of headphone outputs
N/A
N/A
1
N/A
Microphone input
N/A
N/A
yes
N/A
Analog 3.5mm output
N/A
N/A
N/A
yes
Analogue 3.5mm input
N/A
N/A
N/A
yes
Component input (YPbPr/YCbCr)
N/A
N/A
N/A
yes
Composite input
N/A
N/A
N/A
yes
DisplayPort
N/A
N/A
N/A
no
HDMI
N/A
N/A
N/A
yes
Other connectors
N/A
N/A
N/A
5mm output
S-video input
N/A
N/A
N/A
no
USB
N/A
N/A
N/A
yes
VGA in
N/A
N/A
N/A
yes
12V trigger
N/A
N/A
N/A
yes

Design

Design typeStandard throw projectorStandard throw projectorStandard throw projectorDesktop projector
Colour of product
  • Black,White
  • Blue,White
Grey,WhiteWhiteWhite
Built-in displaynononono
Cable lock slotyesyes
N/A
yes
Portable
N/A
N/A
N/A
yes

Technical details

Noise level33.0 dB30.0 dB26.0 dB< 27
Noise level (economic mode)29.0 dB28.0 dB
N/A
N/A
Operating relative humidity (H-H)
N/A
10 - 905 - 850 - 90

Dimensions

Width13.9 in14.96 in12.4 in13.07 in
Height5.31 in5.0 in4.6 in5.31 in
Depth10.71 in10.35 in10.6 in10.28 in
Weight9.26 lb9.26 lb8.6 lb8.82 lb

Optics

Throw ratio1.5 - 1.651.13 - 1.471.5 - 1.661.47 - 1.76
Zoom ratio1.1 x1.3 x1.1 x1.2 x
Offset110.0 %100.0 %105.0 %
N/A
Focal length range (f-f)
N/A
12 - 15.612.81 - 16.74
N/A
Aperture range (F-F)
N/A
1.9 - 2.471.94 - 2.231.94 - 2.06
Matrix type
N/A
DMD
N/A
DMD
Matrix size
N/A
0.47
N/A
N/A
Focus
N/A
N/A
Manual
N/A
Zoom type
N/A
N/A
Manual
N/A
Projection distance
N/A
N/A
1.2 - 14.997 - 11.69
Lens shift
N/A
N/A
N/A
no
Optical zoom
N/A
N/A
N/A
1.2 x

Lighting

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

Image

Screen size76.2 - 30076.2 - 30034.3 - 302.476.2 - 300
Screen size compatibility30 - 30040 - 20034.1 - 302.430 - 300
Number of colours1.073 billion colours1.073 billion colours1.073 billion colours1.07 billion colours
Supported graphics resolutions
  • 640 x 480
  • 3840 x 2160
  • 640 x 480
  • 720 x 576
  • 1280 x 720
  • 1920 x 1080
  • 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
  • 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 ratio16:916:916:916:9
Aspect ratio16:9
N/A
  • 4:3
  • 16:9
16:9
Brightness (max)3000.0 lm3000.0 lm3400.0 lm3500.0 lm
Video formats supported
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
  • 2160p
  • 720i
  • 1080i
  • 1080p
  • 2160i
  • 480i
  • 480p
  • 576i
  • 576p
  • 720p
  • 1080i
  • 1080p
Resolution
N/A
N/A
N/A
3840 x 2160 px
Contrast ratio
N/A
N/A
N/A
12000:1
Dynamic contrast
N/A
N/A
N/A
12000:1

Features

Handheld remote controlyesyesyesyes
Memory card readernononono
On Screen Display (OSD)yes
N/A
N/A
yes
On Screen Display (OSD) languages
  • ARA
  • BUL
  • CHI
  • CHI
  • CRO
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • FIN
  • FRE
  • GRE
  • HIN
  • HUN
  • IND
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUM
  • RUS
  • SWE
  • THA
  • TUR
N/A
N/A
N/A
Smart TVnonono
N/A
Password protection
N/A
N/A
yes
N/A
RoHS compliance
N/A
N/A
N/A
yes
Quick start guide
N/A
N/A
N/A
yes

Communication

Ethernet connectionnononono
Wireless network (Wi-Fi)nononono

Compatibility

Full HD (HD ready 1080p)yesyesyesyes
HDRyes
N/A
N/A
yes
HDR Format
  • High Dynamic Range 10
  • Hybrid Log-Gamma
N/A
N/A
N/A
Analog signal format system
  • NTSC
  • SECAM
  • PAL
N/A
N/A
N/A
Supported 3D formats
N/A
N/A
  • Frame packing
  • Side by side
  • Top and bottom
N/A
3D support (3D-Ready)
N/A
N/A
N/A
no
HD ready
N/A
N/A
N/A
yes

Audio features

Built-in speakersyesyesyesyes
Number of built-in speakers12
N/A
N/A
RMS rated power5.0 W10.0 W5.0 W10.0 W

Power

Power consumption (typical)330.0 W340.0 W315.0 W310.0 W
Power consumption (standby)0.5 W0.5 W0.5 W0.5 W
Power consumption (economy mode)250.0 W280.0 W225.0 W
N/A
Power consumption (max)385.0 W350.0 W347.0 W375.0 W
Operational Power Consumption (min-max)
N/A
N/A
N/A
< 330
Power management
N/A
N/A
N/A
Mains

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