• 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

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Differences

Panasonic GM5 advantages over Sony A6400

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Fast startup
    ~1.00 vs 1.8 sec
    Faster startup lets you catch the moment
  • Thinner
    36 mm vs 59 mm
    Thinner
  • Lighter weight
    294g vs 519g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Sony A6400 advantages over Panasonic GM5

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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
  • Longer stills battery life
    More info 410 vs 220 shots
    Capture more photos
  • More telephoto lens reach
    75 mm vs 64 mm
    Capture objects farther away with the kit lens
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/160 vs 1/50 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 10 years old
    Newer cameras often support more advanced features
  • Less shutter lag
    0.12 vs 0.22 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.70x vs 0.46x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 16.0 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    11.0 fps vs 5.7 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    87 vs 56 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.1 fps vs 4.9 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    42 vs 7 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Panasonic GM5

Your purchases support this site

Buy the Sony A6400

Review Excerpt

  • Great image quality for a tiny camera; Excellent high ISO for its class; Built-in EVF; Built-in hot-shoe; Improved ergonomics; Improved image quality for long exposures; Improved burst rate with hybrid shutter; 1080/60p video.

  • Slightly bigger than GM1 (but not by much); No built-in flash; Shallow buffers with RAW files; Dynamic range not quite as good as some competing models; Below average battery life.

The Competition

Compared to Panasonic GM1

Panasonic GM5
Panasonic GM1
  • $898
  • 4/3
  • Eye-level viewfinder
  • In-camera panoramas
  • $479
  • 4/3
  • Less expensive
  • Internal flash
Sony A6400
Panasonic GM1
  • $798
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $479
  • 4/3
  • Lens selection
  • Fast startup

Compared to Panasonic GF7

Panasonic GM5
Panasonic GF7
  • $898
  • 4/3
  • Eye-level viewfinder
  • Hot shoe
  • $590
  • 4/3
  • Less expensive
  • Tiltable Screen
Sony A6400
Panasonic GF7
  • $798
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $590
  • 4/3
  • Lens selection
  • Fast startup

Compared to Panasonic GX850

Panasonic GM5
Panasonic GX850
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
Sony A6400
Panasonic GX850
  • $798
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $548
  • 4/3
  • Lens selection
  • Thinner

Compared to Fujifilm X-T100

Panasonic GM5
Fujifilm X-T100
  • $898
  • 4/3
  • Lens selection
  • Fast startup
  • $599
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
Sony A6400
Fujifilm X-T100
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony A6100

Panasonic GM5
Sony A6100
  • $898
  • 4/3
  • Lens selection
  • Thinner
  • $748
  • APS-C
  • Larger sensor
  • Shoot 4K video
Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $748
  • APS-C
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