• APS-C 369.7mm2
  • 16.2 megapixels
  • 28.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Ricoh GR advantages over Olympus E-M1 Mark III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.81 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    34 mm vs 68 mm
    Thinner
  • Higher max flash sync
    1/4000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    243g vs 580g
    Lighter weight
  • Longer exposure
    300 vs 60 sec
    Long exposures for night shots

Olympus E-M1 Mark III advantages over Ricoh GR

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (DCI) vs 1080p
    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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • Newer
    5 years vs 12 years old
    Newer cameras often support more advanced features
  • More pixels
    20.4 vs 16.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • 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
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Ricoh GR

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Buy the Olympus E-M1 Mark III
Body Only
  • Body Only
  • Kit with 12-100mm f/4 Lens
  • Kit with 12-40mm Lens
All E-M1 Mark III Deals

Review Excerpt

  • The most compact APS-C camera on the market; Bright, sharp 28mm f/2.8 prime lens with almost no distortion; Excellent image quality; Extremely customizable; Fast autofocus; Strong built-in flash plus hot shoe.

  • Fixed prime lens is not for everybody; Crowded and small controls; Burst performance is limited; Muted colors and cool white balance; Has issues with moire and false color.

  • Read our Ricoh GR Review

The Competition

Compared to Nikon Coolpix A

Ricoh GR
Nikon Coolpix A
  • $799
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $1097
  • APS-C
  • Higher effective ISO
  • Bigger RAW buffer

Compare Ricoh GR vs Nikon Coolpix A

Olympus E-M1 Mark III
Nikon Coolpix A
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $1097
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Nikon Coolpix A

Compared to Ricoh GR II

Ricoh GR
Ricoh GR II
  • $799
  • APS-C
  • $538
  • APS-C
  • Built-in Wi-Fi
  • NFC

Compare Ricoh GR vs Ricoh GR II

Olympus E-M1 Mark III
Ricoh GR II
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $538
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M1 Mark III vs Ricoh GR II

Compared to Fujifilm X70

Ricoh GR
Fujifilm X70
  • $799
  • APS-C
  • Integrated ND filter
  • Higher max flash sync
  • $699
  • APS-C
  • Focus peaking
  • Touchscreen

Compare Ricoh GR vs Fujifilm X70

Olympus E-M1 Mark III
Fujifilm X70
  • $1649
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $699
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M1 Mark III vs Fujifilm X70

Compared to Panasonic G95

Ricoh GR
Panasonic G95
  • $799
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $848
  • 4/3
  • Focus peaking
  • Tilt-swivel screen

Compare Ricoh GR vs Panasonic G95

Olympus E-M1 Mark III
Panasonic G95
  • $1649
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M1 Mark III vs Panasonic G95

Compared to OM System OM-1

Ricoh GR
OM System OM-1
  • $799
  • APS-C
  • Less expensive
  • Larger sensor
  • $2200
  • 4/3
  • Focus peaking
  • Tilt-swivel screen

Compare Ricoh GR vs OM System OM-1

Olympus E-M1 Mark III
OM System OM-1
  • $1649
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen

Compare Olympus E-M1 Mark III vs OM System OM-1

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