• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)

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Differences

Nikon D5100 advantages over Ricoh WG-20

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 4.79 vs 1.44 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Longer stills battery life
    More info 660 vs 260 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    16.2 vs 14.0 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    3.9 fps vs 0.7 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/4000 vs 1/1500 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Ricoh WG-20 advantages over Nikon D5100

  • Less expensive
    $200 vs $900 (MSRP)
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Thinner
    28 mm vs 79 mm
    Thinner
  • Bigger JPEG buffer
    Unlimited vs 100 shots
    Take more JPEG shots before waiting (burst mode)

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Buy the Nikon D5100
Body Only

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Buy the Ricoh WG-20

Review Excerpt

  • Side-mounted tilt / swivel LCD screen; same sensor and processing as the Nikon D7000; good speed and battery life; in-camera HDR and filter effects; Full HD video capture with aperture control; audio levels control and external microphone jack.

  • AF-S lens mount doesn't offer autofocus with screw-drive lenses; popup flash isn't the greatest; no built-in wireless flash control; HDR function doesn't microalign source images.

  • Read our Nikon D5100 Full Review

The Competition

Compared to Sony A55

Nikon D5100
Sony A55
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas

Compare Nikon D5100 vs Sony A55

Ricoh WG-20
Sony A55
  • $200
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $734
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Ricoh WG-20 vs Sony A55

Compared to Sony A33

Nikon D5100
Sony A33
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $540
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Nikon D5100 vs Sony A33

Ricoh WG-20
Sony A33
  • $200
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $540
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Ricoh WG-20 vs Sony A33

Compared to Sony A57

Nikon D5100
Sony A57
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5100 vs Sony A57

Ricoh WG-20
Sony A57
  • $200
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $800
  • APS-C
  • Focus peaking
  • Larger sensor

Compare Ricoh WG-20 vs Sony A57

Compared to Pentax WG-10

Nikon D5100
Pentax WG-10
  • $650
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
  • $180
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compare Nikon D5100 vs Pentax WG-10

Ricoh WG-20
Pentax WG-10
  • $200
  • 1/2.3 inch
  • $180
  • 1/2.3 inch

Compare Ricoh WG-20 vs Pentax WG-10

Compared to Fujifilm AX650

Nikon D5100
Fujifilm AX650
  • $650
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $115
  • 1/2.3 inch
  • Less expensive
  • Thinner

Compare Nikon D5100 vs Fujifilm AX650

Ricoh WG-20
Fujifilm AX650
  • $200
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $115
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compare Ricoh WG-20 vs Fujifilm AX650

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