• APS-C 366.6mm2
  • 24.2 megapixels
  • 28.00mm (35mm eq.)
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 1,600,000

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Differences

Ricoh GR III advantages over Pentax K-3 III

  • Less expensive
    $897* vs $2344
    Save money for lenses or accessories
  • 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 73 mm
    Thinner
  • Lighter weight
    257g vs 820g
    Lighter weight
  • Longer exposure
    1200 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 30 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-3 III 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
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Longer stills battery life
    More info 800 vs 200 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    4 years vs 6 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Higher-res screen
    540k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    12.0 fps vs 4.3 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    1600000 vs 102400 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
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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  • Body Only
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Review Excerpt

The Competition

Compared to Nikon D5600

Ricoh GR III
Nikon D5600
  • $944
  • APS-C
  • In-Camera Image Stabilization
  • On-sensor phase detect
  • $898
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Ricoh GR III vs Nikon D5600

Pentax K-3 III
Nikon D5600
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Nikon D5600

Compared to Pentax KP

Ricoh GR III
Pentax KP
  • $944
  • APS-C
  • Touchscreen
  • Fast startup
  • $999
  • APS-C
  • Focus peaking
  • Eye-level viewfinder

Compare Ricoh GR III vs Pentax KP

Pentax K-3 III
Pentax KP
  • $1847
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • Tiltable Screen

Compare Pentax K-3 III vs Pentax KP

Compared to Canon T7i

Ricoh GR III
Canon T7i
  • $944
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Ricoh GR III vs Canon T7i

Pentax K-3 III
Canon T7i
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $700
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon T7i

Compared to Canon SL3

Ricoh GR III
Canon SL3
  • $944
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $624
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Ricoh GR III vs Canon SL3

Pentax K-3 III
Canon SL3
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $624
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon SL3

Compared to Canon 90D

Ricoh GR III
Canon 90D
  • $944
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Ricoh GR III vs Canon 90D

Pentax K-3 III
Canon 90D
  • $1847
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Pentax K-3 III vs Canon 90D

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