• 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

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Differences

Ricoh G900 advantages over Olympus E-M5 III

  • Less expensive
    $797* vs $1099
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    33 mm vs 49 mm
    Thinner
  • Lighter weight
    247g vs 414g
    Lighter weight

Olympus E-M5 III 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.
  • 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
    ~ 3.36 vs 1.19 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (DCI) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • 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
  • 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
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • 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
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

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
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Ricoh WG-30w

Ricoh G900
Ricoh WG-30w
  • $797
  • 1/2.3 inch
  • Built-in GPS
  • Newer
  • $450
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Shoots 1080p video
Olympus E-M5 III
Ricoh WG-30w
  • $924
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $450
  • 1/2.3 inch
  • Waterproof
  • Internal flash

Compared to Olympus TG-870

Ricoh G900
Olympus TG-870
  • $797
  • 1/2.3 inch
  • More telephoto lens reach
  • Manual focus
  • $279
  • 1/2.3 inch
  • Less expensive
  • In-camera panoramas
Olympus E-M5 III
Olympus TG-870
  • $924
  • 4/3
  • Focus peaking
  • Larger sensor
  • $279
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Ricoh WG-6

Ricoh G900
Ricoh WG-6
  • $797
  • 1/2.3 inch
  • $298
  • 1/2.3 inch
  • Less expensive
Olympus E-M5 III
Ricoh WG-6
  • $924
  • 4/3
  • Focus peaking
  • Larger sensor
  • $298
  • 1/2.3 inch
  • Less expensive
  • Waterproof

Compared to Panasonic G100

Ricoh G900
Panasonic G100
  • $797
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $599
  • 4/3
  • Focus peaking
  • Larger sensor
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Ricoh G900
Olympus E-M10 IV
  • $797
  • 1/2.3 inch
  • Waterproof
  • Built-in GPS
  • $666
  • 4/3
  • Focus peaking
  • Larger sensor
Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
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