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Nikon D3100 vs Olympus OM-D E-M10

    4.88 in
    2.93 in
    Nikon D3100 Digital Camera
    Nikon D3100
      4.69 in
      3.24 in
      Olympus OM-D E-M10 Digital Camera
      Olympus OM-D E-M10
      Available colors
      Editiorial reviews
      33
      4.0 out of 5
      19 user ratings
      5 stars
      		47 %
      4 stars
      		36 %
      3 stars
      		5 %
      2 stars
      		10 %
      1 stars
      		0 %
      Read editorial reviews
      42
      4.2 out of 5
      21 user ratings
      5 stars
      		47 %
      4 stars
      		52 %
      3 stars
      		0 %
      2 stars
      		0 %
      1 stars
      		0 %
      Read editorial reviews
      User rating
      72
      3.8 out of 5
      72 user ratings
      5 stars
      		34 %
      4 stars
      		23 %
      3 stars
      		26 %
      2 stars
      		15 %
      1 stars
      		0 %
      38
      4.1 out of 5
      38 user ratings
      5 stars
      		31 %
      4 stars
      		44 %
      3 stars
      		23 %
      2 stars
      		0 %
      1 stars
      		0 %

      Full Comparison

      Units:

      Sensor

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Sensor typeCMOSLive MOS
      Image sensor formatDXFour Thirds
      Sensor size0.91 in0.68 in
      Sensor photo detectors15.0 Mpx17.0 Mpx
      Effective pixels14.0 Mpx16.0 Mpx
      Image ratio w:h3:2
      • 1:1
      • 4:3
      • 3:2
      • 16:9
      Max resolution4608 x 3072 px4608 x 3456 px
      Other resolutions
      • 3456x2304
      • 2304x1536
      • 3200x2400
      • 1280x960
      ProcessorExpeed 2TruePic VII

      Image

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      ISO
      • 100
      • 200
      • 400
      • 800
      • 1600
      • 3200
      • Auto
      • 100
      • 200
      • 400
      • 800
      • 1600
      • 3200
      • 6400
      • 12800
      • 25600
      • Auto
      ISO minimum100200
      ISO maximum1280025600
      Maximum image resolution4608 x 3072 px4608 x 3456 px
      White balance presets127
      White balance modes
      • Auto
      • Manual
      • Auto
      • Cloudy
      • Custom modes
      • Flash
      • Fluorescent
      • Incandescent
      • Shade
      • Sunny
      • Tungsten
      • Underwater
      Custom white balanceyesyes
      Supported image file formats
      • JPG
      • RAW
      • JPG
      • MPO
      • RAW
      Photo effectsBlack&White
      • Black&White
      • Sepia
      Image stabilizernoyes
      Image stabilization typeNoSensor-shift
      Supported aspect ratios16:9
      • 1:1
      • 3:2
      • 3:4
      • 4:3
      • 16:9
      Uncompressed formatRAWRAW
      AEB/HDR supportnoyes

      Optics and focus

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Lens mountNikon-AFMicro Four Thirds
      Optical zoom3.0 x3.0 x
      Magnification (Crop factor)1.5 x2.0 x
      Maximum aperture3.53.5
      AF assist (auto-focus assist light)LampLamp
      Focus adjustmentAutoAuto/Manual
      Contrast autofocusyesyes
      Brightness adjustmentyesyes
      Autofocus in recording modeyesyes
      Focal length multiplier1.5x2x
      AutofocusSingle Auto Focus
      • Continuous Auto Focus
      • Face detection
      • Single Auto Focus
      • Tracking Auto Focus
      Manual focusyesyes
      Auto Focus (AF) assist beamyesyes
      Number of focus points1181
      Image stabiliserLens based onlyBuilt-in
      Filter diameter2.05 in1.46 in
      Phase detection autofocusyesno

      Screen and viewfinder

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Screen size3.0 in3.0 in
      Articulated LCDnoyes
      Screen technologyLCDLCD
      Screen dots2300001037000
      Touch screennoyes
      Field of view95.0 %100.0 %
      Live viewyesyes
      ViewfinderOpticalElectronic
      Viewfinder coverage95.0 %100.0 %
      Viewfinder magnification0.8 x1.15 x
      Separate info displaynono

      Photography features

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Camera shutter type
      • Electronic
      • Mechanical
      		Mechanical
      Minimum shutter speed30.0 s60.0 s
      Maximum shutter speed1.0 s1.0 s
      Shutter priorityyesyes
      Aperture priorityyesyes
      Manual exposure modeyesyes
      Exposure compensation plus55
      Exposure compensation minus-5-5
      Expousure compensation steps1/3
      • 1/3
      • 1/2
      • 1
      Auto exposure lockyesyes
      Continuous shootingyesyes
      Self-timer delay10.0 s
      • 2
      • 12
      Histogramyesyes
      WB BracketingNoYes
      Subject / scene modesyesyes
      Flash sync speed1/200s1/200s
      Built-in flashyesyes
      Flash range125.8
      Flash modes
      • Auto
      • Flash OFF
      • Redeye Reduction
      • Slow Sync
      • Auto
      • Fill-in
      • Flash OFF
      • Manual
      • Redeye Reduction
      • Slow Sync
      External flash connectionHot shoe
      • Hot shoe
      • PC terminal
      Flash metering systemi-TTLFP-TTL
      External flashyesyes
      Continuous drive3.0 fps8.0 fps
      Scene modes
      • Children
      • Close-up
      • Portrait
      • Beach
      • Children
      • Documents
      • Fireworks
      • Night
      • Night portrait
      • Panorama
      • Portrait
      • Snow
      • Sports
      • Sunset
      • Landscape
      Self-timeryesyes
      Metering modes
      • Multi
      • Center-weighted
      • Average
      • Multi
      • Center-weighted
      • Spot
      Manual settingsyesyes
      Speed (JPEG)3.0 fps8.0 fps
      Speed (RAW)3.0 fps8.0 fps

      Videography features

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Maximum resolution1920 x 1080 px1920 x 1080 px
      Video recordingyesyes
      Recording resolutions1280.0 px
      • 640 x 480
      • 1280 x 720
      • 1920 x 1080
      HD typeFull HDFull HD
      Supported video file formats
      • AVC
      • H.264
      • MOV
      • MPEG-4
      • AVC
      • AVI
      • H.264
      • MOV
      • MPEG-4
      Analog signal format system
      • NTSC
      • PAL
      • NTSC
      • PAL
      Camera playback
      • Highlights
      • Movie
      • Single image
      • Slide show
      • Thumbnails
      • Movie
      • Single image
      • Slide show
      Max resolution (highest frame rate)1280 x 7201920 x 1080
      Max frame rate (highest resolution)24.0 fps30.0 fps
      Max frame rate (regardless of res.)30.0 fps30.0 fps
      Motion JPEG frame rate30.0 fps30.0 fps

      Audio features

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Built-in microphonenoyes
      Microphone typeMonoStereo
      Voice recordingyesyes
      Audio systemMonoStereo
      Supported audio file formatsPCM
      • PCM
      • WAV

      Design

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Body typeSLRMILC
      Body materialPlasticAluminum-magnesium
      Colour of product
      • Black
      • Red
      • Black
      • Black,Silver
      Anti-dust systemyesno
      Environmentally sealednono

      Dimensions

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Weight16.05 oz12.35 oz
      Width4.88 in4.69 in
      Height2.93 in3.24 in
      Depth3.78 in1.81 in

      Storage

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Compatible memory cards
      • SD
      • SDHC
      • SDXC
      • SD
      • SDHC
      • SDXC
      Storage types
      • SD
      • SDHC
      • SDXC
      • SD
      • SDHC
      • SDXC
      Camera file system
      • DCF 2.0
      • DPOF 1.1
      • Exif 2.21
      • DCF
      • DPOF
      • Exif
      • PRINT Image Matching III

      Power

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Power source type
      • AC
      • Battery
      		Battery
      Battery life (CIPA)550320
      Battery technology
      Lithium-Ion
      Lithium-Ion
      Number of batteries supported11

      Connectivity

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      HDMIyesyes
      HDMI connector typeMiniMicro
      USB portyesyes
      USB version2.02.0
      WirelessEye-Fi ConnectedBuilt-In
      Remote controlyesyes
      NFCnono
      Wireless network (Wi-Fi)noyes
      Firewirenono

      Other features

      Nikon D3100Nikon D3100
      Olympus OM-D E-M10Olympus OM-D E-M10
      Orientation sensoryesyes
      Calendaryesyes
      Energy Star certifiednono
      Image editing modes
      • Rotating
      • Trimming
      • Resizing
      • Trimming

      Pros & Cons

      Pros
          Cons

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