• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 28.00mm - 140.00mm (35mm eq.)

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Differences

Olympus E-M10 advantages over Ricoh G900

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 3.75 vs 1.19 microns
    Better low-light and dynamic range (all else equal)
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • Longer exposure
    60 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Ricoh G900 advantages over Olympus E-M10

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Thinner
    33 mm vs 45 mm
    Thinner
  • Newer
    6 years vs 11 years old
    Newer cameras often support more advanced features
  • More pixels
    20.2 vs 16.1 megapixels
    Higher resolution photos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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

User reviews

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Buy the Olympus E-M10
Body Only
  • Body Only
  • Kit with 14-42mm Lens
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Your purchases support this site

Buy the Ricoh G900
Ricoh G900
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Review Excerpt

  • Great image quality especially from RAW files; Excellent dynamic range for a Four Thirds sensor; Very good high ISO performance; Realistic colors and excellent hue accuracy; Built-in Wi-Fi with remote control and sharing features; Improved HD video; Lightweight and very portable; Built-in pop-up flash; Minimal EVF lag time.

  • Contrast-Detect AF struggles with small and low-contrast subjects; Mediocre battery life; No external microphone or headphone jack; Mediocre burst speed with continuous AF; No weather sealing; Heavy-handed high ISO noise reduction.

  • Read our Olympus E-M10 Review

The Competition

Compared to Panasonic GX7

Olympus E-M10
Panasonic GX7
  • $399
  • 4/3
  • Less expensive
  • Higher effective ISO
  • $648
  • 4/3
  • In-camera panoramas
  • Fast startup

Compare Olympus E-M10 vs Panasonic GX7

Ricoh G900
Panasonic GX7
  • $746
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
  • $648
  • 4/3
  • Focus peaking
  • Larger sensor

Compare Ricoh G900 vs Panasonic GX7

Compared to Ricoh WG-30w

Olympus E-M10
Ricoh WG-30w
  • $399
  • 4/3
  • Focus peaking
  • Larger sensor
  • $450
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compare Olympus E-M10 vs Ricoh WG-30w

Ricoh G900
Ricoh WG-30w
  • $746
  • 1/2.3 inch
  • Built-in GPS
  • Newer
  • $450
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Shoots 1080p video

Compare Ricoh G900 vs Ricoh WG-30w

Compared to Olympus E-M10 II

Olympus E-M10
Olympus E-M10 II
  • $399
  • 4/3
  • $349
  • 4/3
  • Fast startup
  • Shoots 24p video

Compare Olympus E-M10 vs Olympus E-M10 II

Ricoh G900
Olympus E-M10 II
  • $746
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
  • $349
  • 4/3
  • Less expensive
  • Focus peaking

Compare Ricoh G900 vs Olympus E-M10 II

Compared to Panasonic GX85

Olympus E-M10
Panasonic GX85
  • $399
  • 4/3
  • Higher effective ISO
  • More telephoto lens reach
  • $598
  • 4/3
  • Shoot 4K video
  • In-camera panoramas

Compare Olympus E-M10 vs Panasonic GX85

Ricoh G900
Panasonic GX85
  • $746
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
  • $598
  • 4/3
  • Focus peaking
  • Larger sensor

Compare Ricoh G900 vs Panasonic GX85

Compared to Ricoh WG-6

Olympus E-M10
Ricoh WG-6
  • $399
  • 4/3
  • Focus peaking
  • Larger sensor
  • $299
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS

Compare Olympus E-M10 vs Ricoh WG-6

Ricoh G900
Ricoh WG-6
  • $746
  • 1/2.3 inch
  • $299
  • 1/2.3 inch
  • Less expensive

Compare Ricoh G900 vs Ricoh WG-6

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