• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

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Differences

Panasonic GX8 advantages over Olympus E-M5 III

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • More viewfinder magnification
    0.77x vs 0.68x
    Get a bigger view of the scene through the eye-level viewfinder
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    Unlimited vs 26 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    36 vs 23 shots
    Larger buffer for RAW shots (burst mode)

Olympus E-M5 III advantages over Panasonic GX8

  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • 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
  • Newer
    4 years vs 9 years old
    Newer cameras often support more advanced features
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    30.0 fps vs 8.3 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 7.9 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/16000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • 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

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Your purchases support this site

Buy the Panasonic GX8

Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • Highest resolution Micro Four Thirds camera yet; Great high ISO performance; Very fast autofocus; Fast burst mode with deep buffers; Impressive Dual I.S. system; Great 4K video.

  • No built-in flash; Slow buffer clearing; Below average battery life; Limited I.S. for 4K video.

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Olympus E-M1

Panasonic GX8
Olympus E-M1
  • $998
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • Fast startup
  • On-sensor phase detect
Olympus E-M5 III
Olympus E-M1
  • $924
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • More viewfinder magnification
  • Bigger JPEG buffer

Compared to Panasonic G7

Panasonic GX8
Panasonic G7
  • $998
  • 4/3
  • In-Camera Image Stabilization
  • NFC
  • $665
  • 4/3
  • Less expensive
  • Internal flash
Olympus E-M5 III
Panasonic G7
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $665
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M1 II

Panasonic GX8
Olympus E-M1 II
  • $998
  • 4/3
  • In-camera panoramas
  • NFC
  • $1324
  • 4/3
  • High resolution composite
  • Fast startup
Olympus E-M5 III
Olympus E-M1 II
  • $924
  • 4/3
  • Built-in Bluetooth
  • Thinner
  • $1324
  • 4/3
  • Less expensive
  • Longer video battery life

Compared to Panasonic G100

Panasonic GX8
Panasonic G100
  • $998
  • 4/3
  • In-Camera Image Stabilization
  • NFC
  • $623
  • 4/3
  • Less expensive
  • Built-in Bluetooth
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $623
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Panasonic GX8
Olympus E-M10 IV
  • $998
  • 4/3
  • Tilt-swivel screen
  • In-camera panoramas
  • $649
  • 4/3
  • Less expensive
  • Built-in Bluetooth
Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $649
  • 4/3
  • Less expensive
  • Longer video battery life
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