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Optoma S331 vs Optoma UHD65

    11.73 in
    3.8 in
    Optoma S331 Projector
    Optoma S331
      19.61 in
      5.55 in
      Optoma UHD65 Projector
      Optoma UHD65
      Available colors
      Editiorial 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
      36
      4.3 out of 5
      36 user ratings
      5 stars
      		44 %
      4 stars
      		41 %
      3 stars
      		13 %
      2 stars
      		0 %
      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 S331Optoma S331
      Optoma UHD65Optoma UHD65
      Projector typeDLPDLP

      Connectivity

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      DVI innono
      HDMIyesyes
      HDMI version1.4a1.4a/2.0
      Number of HDMI inputs22
      MHLyesyes
      USByesyes
      USB 2.012
      VGA inyesyes
      AC (power) inputyesyes

      Design

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Design typeDesktop projectorDesktop projector
      Portableyesno
      Colour of productBlackBlack
      Built-in displaynono
      Cable lock slotyesyes

      Technical details

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Noise level< 2925 - 28
      Noise level (economic mode)29.0 dB25.0 dB
      Operating relative humidity (H-H)0 - 850 - 85

      Dimensions

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Width11.73 in19.61 in
      Height3.8 in5.55 in
      Depth9.06 in13.03 in
      Weight4.78 lb17.2 lb

      Optics

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Focal length range (f-f)21.85 - 24.0120.91 - 32.62
      Throw ratio1.94 - 2.161.39 - 2.22
      FocusManualManual
      Aperture range (F-F)2.4 - 2.532.5 - 3.26
      Zoom ratio1.1 x1.6 x
      Zoom typeManualManual
      Projection distance1 - 121.3 - 9.3

      Lighting

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Type of lampBulbBulb
      Lamp life max (normal)5000.0 h1500.0 h
      Lamp life max (eco)10000.0 h10000.0 h
      Bulb power195.0 W240.0 W

      Image

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Screen size28 - 304.326.4 - 302.4
      Screen size compatibility27.78 - 304.426.45 - 302.2
      Resolution800 x 600 px3840 x 2160 px
      Number of colours1.07 billion colours1.073 billion colours
      Native aspect ratio4:316:9
      Aspect ratio
      • 4:3
      • 16:9
      • 4:3
      • 16:9
      Brightness (max)3200.0 lm2200.0 lm
      Contrast ratio22000:11200000:1
      Dynamic contrast22000:11200000:1
      Video formats supported
      • 480i
      • 480p
      • 576i
      • 576p
      • 720p
      • 1080i
      • 1080p
      • 480i
      • 480p
      • 576i
      • 576p
      • 720p
      • 1080i
      • 1080p
      • 2160p

      Features

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      RoHS complianceyesyes
      Handheld remote controlyesyes
      On Screen Display (OSD)yesyes
      On Screen Display (OSD) languages
      • ARA
      • CHI
      • CHI
      • CZE
      • DAN
      • DEU
      • DUT
      • ENG
      • ESP
      • FIN
      • FRE
      • GRE
      • HUN
      • IND
      • ITA
      • JPN
      • KOR
      • NOR
      • POL
      • POR
      • RUS
      • SWE
      • THA
      • TUR
      • VIE
      • CHI
      • CHI
      • DEU
      • ENG
      • ESP
      • FRE
      • ITA
      • POR
      • RUS

      Communication

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Ethernet connectionnoyes
      Wireless network (Wi-Fi)nono

      Compatibility

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      3D support (3D-Ready)yesno
      HD readyyesyes
      Full HD (HD ready 1080p)noyes
      HDRnoyes

      Audio features

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Built-in speakersyesyes
      Number of built-in speakers12
      RMS rated power2.0 W4.0 W

      Power

      Optoma S331Optoma S331
      Optoma UHD65Optoma UHD65
      Power consumption (typical)225.0 W305.0 W
      Power consumption (standby)0.5 W0.5 W
      Power consumption (economy mode)187.0 W249.0 W

      Pros & Cons

      Pros
          Cons

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