• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • 28.00mm (35mm eq.)

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Differences

Olympus E-M10 advantages over Ricoh GR III

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Longer stills battery life
    More info 320 vs 200 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Faster JPEG shooting
    8.1 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    8.1 fps vs 4.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    15 vs 9 shots
    Larger buffer for RAW shots (burst mode)

Ricoh GR III advantages over Olympus E-M10

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~0.70 vs 1.3 sec
    Faster startup lets you catch the moment
  • 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
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    33 mm vs 45 mm
    Thinner
  • Newer
    6 years vs 11 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More pixels
    24.2 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Longer exposure
    1200 vs 60 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 19 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    102400 vs 25600 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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

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 GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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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  • Body Only
  • Kit with 14-42mm Lens
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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 G3

Olympus E-M10
Panasonic G3
  • $399
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • 4/3
  • More viewfinder magnification
  • Shoots 60p video

Compare Olympus E-M10 vs Panasonic G3

Ricoh GR III
Panasonic G3
  • $944
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $700
  • 4/3
  • Eye-level viewfinder
  • Tiltable Screen

Compare Ricoh GR III vs Panasonic G3

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 GR III
Panasonic GX7
  • $944
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
  • $648
  • 4/3
  • Focus peaking
  • Eye-level viewfinder

Compare Ricoh GR III vs Panasonic GX7

Compared to Olympus E-M5 II

Olympus E-M10
Olympus E-M5 II
  • $399
  • 4/3
  • Internal flash
  • $899
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compare Olympus E-M10 vs Olympus E-M5 II

Ricoh GR III
Olympus E-M5 II
  • $944
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
  • $899
  • 4/3
  • Tilt-swivel screen
  • Focus peaking

Compare Ricoh GR III vs Olympus E-M5 II

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 GR III
Olympus E-M10 II
  • $944
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
  • $349
  • 4/3
  • Less expensive
  • Focus peaking

Compare Ricoh GR III 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 GR III
Panasonic GX85
  • $944
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
  • $598
  • 4/3
  • Focus peaking
  • Less expensive

Compare Ricoh GR III vs Panasonic GX85

Compare Other Cameras?