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

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Differences

Panasonic GX850 advantages over Olympus E-M5 III

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    33 mm vs 49 mm
    Thinner
  • Bigger JPEG buffer
    114 vs 26 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M5 III advantages over Panasonic GX850

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Longer video battery life
    60 vs 20 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 310 vs 210 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/50 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 8 years old
    Newer cameras often support more advanced features
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    20.4 vs 16.0 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    30.0 fps vs 9.3 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 9.5 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
  • 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
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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

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Your purchases support this site

Buy the Panasonic GX850

Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • Impressive image quality; Sleek design; 4K video recording; Good overall performance; Tilting touchscreen; Enjoyable user experience.

  • No EVF; No hot shoe, Short 4K clip limit; MicroSD card slot, Poor battery life.

  • 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 Panasonic GM5

Panasonic GX850
Panasonic GM5
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup
Olympus E-M5 III
Panasonic GM5
  • $924
  • 4/3
  • Tilt-swivel screen
  • In-Camera Image Stabilization
  • $898
  • 4/3
  • In-camera panoramas
  • Thinner

Compared to Panasonic GF7

Panasonic GX850
Panasonic GF7
  • $548
  • 4/3
  • Shoot 4K video
  • Lacks anti-aliasing filter
  • $590
  • 4/3
  • Fast startup
  • Has anti-aliasing filter
Olympus E-M5 III
Panasonic GF7
  • $924
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $590
  • 4/3
  • In-camera panoramas
  • Internal flash

Compared to Olympus E-PL10

Panasonic GX850
Olympus E-PL10
  • $548
  • 4/3
  • Lacks anti-aliasing filter
  • Wider angle kit lens
  • $549
  • 4/3
  • In-Camera Image Stabilization
  • Built-in Bluetooth
Olympus E-M5 III
Olympus E-PL10
  • $924
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $549
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Panasonic G100

Panasonic GX850
Panasonic G100
  • $548
  • 4/3
  • Thinner
  • $599
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Panasonic GX850
Olympus E-M10 IV
  • $548
  • 4/3
  • In-camera panoramas
  • Thinner
  • $666
  • 4/3
  • Eye-level viewfinder
  • In-Camera Image Stabilization
Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
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