• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Sony A37 advantages over Panasonic GH4

  • Larger sensor
    APS-C 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
    ~ 4.82 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • More viewfinder magnification
    0.73x vs 0.67x
    Get a bigger view of the scene through the eye-level viewfinder

Panasonic GH4 advantages over Sony A37

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • More dots on screen
    1037k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    12.8 fps vs 5.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

Common Weaknesses

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

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Review Excerpt

  • Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.

  • High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.

  • Read our Panasonic GH4 Review

The Competition

Compared to Sony A35

Sony A37
Sony A35
  • $600
  • APS-C
  • Less expensive
  • Focus peaking
  • $567
  • APS-C
  • More dots on screen

Compare Sony A37 vs Sony A35

Panasonic GH4
Sony A35
  • $998
  • 4/3
  • Lens selection
  • Focus peaking
  • $567
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic GH4 vs Sony A35

Compared to Sony A57

Sony A37
Sony A57
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack
  • $800
  • APS-C
  • Longer stills battery life
  • Higher-res screen

Compare Sony A37 vs Sony A57

Panasonic GH4
Sony A57
  • $998
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic GH4 vs Sony A57

Compared to Pentax K-5 IIs

Sony A37
Pentax K-5 IIs
  • $600
  • APS-C
  • Less expensive
  • Focus peaking
  • $497
  • APS-C
  • Lens selection
  • Fast startup

Compare Sony A37 vs Pentax K-5 IIs

Panasonic GH4
Pentax K-5 IIs
  • $998
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $497
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic GH4 vs Pentax K-5 IIs

Compared to Panasonic GH3

Sony A37
Panasonic GH3
  • $600
  • APS-C
  • Less expensive
  • Focus peaking
  • $798
  • 4/3
  • Tilt-swivel screen
  • Lens selection

Compare Sony A37 vs Panasonic GH3

Panasonic GH4
Panasonic GH3
  • $998
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $798
  • 4/3

Compare Panasonic GH4 vs Panasonic GH3

Compared to Olympus E-M1

Sony A37
Olympus E-M1
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Lens selection
  • Touchscreen

Compare Sony A37 vs Olympus E-M1

Panasonic GH4
Olympus E-M1
  • $998
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect

Compare Panasonic GH4 vs Olympus E-M1

Compare Other Cameras?