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Optoma UHD30 vs Optoma UHD51

    12.4 in
    4.6 in
    Optoma UHD30 Projector
    Optoma UHD30
      15.43 in
      4.65 in
      Optoma UHD51 Projector
      Optoma UHD51
      Available colors
      Editiorial 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
      46
      4.1 out of 5
      46 user ratings
      5 stars
      		41 %
      4 stars
      		30 %
      3 stars
      		21 %
      2 stars
      		6 %
      1 stars
      		0 %
      45
      3.8 out of 5
      45 user ratings
      5 stars
      		28 %
      4 stars
      		33 %
      3 stars
      		28 %
      2 stars
      		8 %
      1 stars
      		0 %

      Full Comparison

      Units:

      General

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Projector typeDMDDLP

      Connectivity

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Digital coaxial output (S/PDIF)yesyes
      Serial interface typeRS-232RS-232
      DVI innono
      HDMI version1.4a/2.02.0
      Number of HDMI inputs22
      HDMI connector typeFull-sizeFull-size
      HDCPnoyes
      USB 2.022
      Number of VGA (D-Sub) ports11
      AC (power) inputyesyes

      Design

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Design typeStandard throw projectorDesktop projector
      Colour of productWhiteBlack
      Built-in displaynono

      Technical details

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Noise level26.0 dB< 25
      Operating relative humidity (H-H)5 - 850 - 85

      Dimensions

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Width12.4 in15.43 in
      Height4.6 in4.65 in
      Depth10.6 in11.06 in
      Weight8.6 lb11.51 lb

      Optics

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Focal length range (f-f)12.81 - 16.7412.81 - 16.74
      Throw ratio1.5 - 1.661.21 - 1.59
      Zoom ratio1.1 x1.3 x
      Zoom typeManualManual
      Projection distance1.2 - 14.91.2 - 8.1
      Offset105.0 %105.0 %

      Lighting

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Number of lamps11

      Image

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Screen size34.3 - 302.434.3 - 302.4
      Screen size compatibility34.1 - 302.434.1 - 302.4
      Supported graphics resolutions
      • 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
      Native aspect ratio16:916:9
      Aspect ratio
      • 4:3
      • 16:9
      • 4:3
      • 16:9
      Brightness (max)3400.0 lm2400.0 lm
      Video formats supported
      • 720i
      • 1080i
      • 1080p
      • 2160i
      • 480i
      • 480p
      • 576i
      • 576p
      • 720p
      • 1080i
      • 1080p
      • 2160p

      Features

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Handheld remote controlyesyes
      Memory card readernono
      Password protectionyesyes

      Communication

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Ethernet connectionnoyes
      Wireless network (Wi-Fi)nono

      Compatibility

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Full HD (HD ready 1080p)yesyes

      Audio features

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Built-in speakersyesyes
      RMS rated power5.0 W5.0 W

      Power

      Optoma UHD30Optoma UHD30
      Optoma UHD51Optoma UHD51
      Power consumption (standby)0.5 W0.5 W
      Power consumption (max)347.0 W305.0 W

      Pros & Cons

      Pros
          Cons

              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