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Optoma UHD51 vs Optoma UHD65

    15.43 in
    4.65 in
    Optoma UHD51 Projector
    Optoma UHD51
      19.61 in
      5.55 in
      Optoma UHD65 Projector
      Optoma UHD65
      Available colors
      Editiorial 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
      45
      3.8 out of 5
      45 user ratings
      5 stars
      		28 %
      4 stars
      		33 %
      3 stars
      		28 %
      2 stars
      		8 %
      1 stars
      		0 %
      51
      4.0 out of 5
      51 user ratings
      5 stars
      		37 %
      4 stars
      		33 %
      3 stars
      		21 %
      2 stars
      		7 %
      1 stars
      		0 %

      Full Comparison

      Units:

      General

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Projector typeDLPDLP

      Connectivity

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Analog 3.5mm outputyesyes
      Analogue 3.5mm inputyesyes
      Digital coaxial output (S/PDIF)yesyes
      Serial interface typeRS-232RS-232
      DVI innono
      HDMIyesyes
      HDMI version2.01.4a/2.0
      Number of HDMI inputs22
      HDMI connector typeFull-sizeFull-size
      HDCPyesyes
      Other connectors5mm output5mm output
      USByesyes
      USB 2.022
      VGA inyesyes
      Number of VGA (D-Sub) ports11
      12V triggeryesyes
      AC (power) inputyesyes

      Design

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Design typeDesktop projectorDesktop projector
      Portablenono
      Colour of productBlackBlack
      SteeringManualManual
      Built-in displaynono
      Cable lock slotyesyes

      Technical details

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Noise level< 2525 - 28
      Operating relative humidity (H-H)0 - 850 - 85

      Dimensions

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Width15.43 in19.61 in
      Height4.65 in5.55 in
      Depth11.06 in13.03 in
      Weight11.51 lb17.2 lb

      Optics

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Lens shiftyesyes
      Focal length range (f-f)12.81 - 16.7420.91 - 32.62
      Type of lens shiftVerticalVertical
      Throw ratio1.21 - 1.591.39 - 2.22
      Zoom ratio1.3 x1.6 x
      Zoom typeManualManual
      Projection distance1.2 - 8.11.3 - 9.3

      Lighting

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Lamp life max (normal)4000.0 h1500.0 h
      Lamp life max (eco)10000.0 h10000.0 h
      Number of lamps11
      Bulb power240.0 W240.0 W

      Image

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Screen size34.3 - 302.426.4 - 302.4
      Screen size compatibility34.1 - 302.426.45 - 302.2
      Resolution3840 x 2160 px3840 x 2160 px
      Supported graphics resolutions
      • 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 ratio16:916:9
      Aspect ratio
      • 4:3
      • 16:9
      • 4:3
      • 16:9
      Brightness (max)2400.0 lm2200.0 lm
      Contrast ratio500000:11200000:1
      Dynamic contrast500000:11200000:1
      Video formats supported
      • 480i
      • 480p
      • 576i
      • 576p
      • 720p
      • 1080i
      • 1080p
      • 2160p
      • 480i
      • 480p
      • 576i
      • 576p
      • 720p
      • 1080i
      • 1080p
      • 2160p

      Features

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Handheld remote controlyesyes
      Memory card readernono
      On Screen Display (OSD)yesyes
      On Screen Display (OSD) languages
      • CHI
      • DEU
      • ENG
      • ESP
      • FRE
      • ITA
      • JPN
      • POR
      • RUS
      • CHI
      • CHI
      • DEU
      • ENG
      • ESP
      • FRE
      • ITA
      • POR
      • RUS

      Communication

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Ethernet connectionyesyes
      Number of Ethernet LAN (RJ-45) ports11
      Wireless network (Wi-Fi)nono

      Compatibility

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      3D support (3D-Ready)yesno
      HD readyyesyes
      Full HD (HD ready 1080p)yesyes
      HDRyesyes

      Audio features

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Built-in speakersyesyes
      Number of built-in speakers22
      RMS rated power5.0 W4.0 W

      Power

      Optoma UHD51Optoma UHD51
      Optoma UHD65Optoma UHD65
      Power consumption (standby)0.5 W0.5 W

      Pros & Cons

      Pros
          Cons

              Often compared with Optoma UHD51

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              Often compared with Optoma UHD65

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