• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 25,600
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Sony A7R II advantages over Panasonic G100

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.51 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More pixels
    42.4 vs 20.3 megapixels
    Higher resolution photos
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic G100 advantages over Sony A7R II

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $598 vs $1798*
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1840k vs 1229k dots
    Can mean greater resolution or a brighter screen
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Your purchases support this site

Buy the Sony A7R II
Body Only
All A7R II Deals

Your purchases support this site

Buy the Panasonic G100
Kit with 12-32mm Lens
  • Kit with 12-32mm Lens
  • Kit with Lens + Tripod Grip
All G100 Deals

Review Excerpt

  • Superb image quality; Very high resolution; Surprisingly good high ISO performance; Fast autofocus; Compact, comfortable body with lots of customization potential; Bright, roomy and clear viewfinder; Tilting LCD display; Five-axis stabilization; Intuitive Wi-Fi / NFC connectivity

  • Movie button is poorly located; No touch screen; Not as fast to start up or shoot photos as a similarly-priced SLR; Rather slow buffer clearing; No built-in flash; Single card slot; Not weather-sealed to the same degree as some rivals

  • Read our Sony A7R II Review

The Competition

Compared to Sony A7R

Sony A7R II
Sony A7R
  • $2348
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $1399
  • 35mm
  • Less expensive
  • Lighter weight

Compare Sony A7R II vs Sony A7R

Panasonic G100
Sony A7R
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $1399
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic G100 vs Sony A7R

Compared to Sony A9

Sony A7R II
Sony A9
  • $2348
  • 35mm
  • Less expensive
  • In-camera panoramas
  • $2997
  • 35mm
  • Bigger pixels
  • Touchscreen

Compare Sony A7R II vs Sony A9

Panasonic G100
Sony A9
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $2997
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic G100 vs Sony A9

Compared to Sony A7R III

Sony A7R II
Sony A7R III
  • $2348
  • 35mm
  • In-camera panoramas
  • $2151
  • 35mm
  • Touchscreen
  • High resolution composite

Compare Sony A7R II vs Sony A7R III

Panasonic G100
Sony A7R III
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $2151
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic G100 vs Sony A7R III

Compared to Olympus E-M5 III

Sony A7R II
Olympus E-M5 III
  • $2348
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $924
  • 4/3
  • Lens selection
  • Less expensive

Compare Sony A7R II vs Olympus E-M5 III

Panasonic G100
Olympus E-M5 III
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite

Compare Panasonic G100 vs Olympus E-M5 III

Compared to Olympus E-M10 IV

Sony A7R II
Olympus E-M10 IV
  • $2348
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $666
  • 4/3
  • Lens selection
  • Less expensive

Compare Sony A7R II vs Olympus E-M10 IV

Panasonic G100
Olympus E-M10 IV
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach

Compare Panasonic G100 vs Olympus E-M10 IV

Compare Other Cameras?