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

Buy From

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
    4 years vs 7 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

Buy From

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
  • $623
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
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 GX850
Olympus E-M10 IV
  • $548
  • 4/3
  • In-camera panoramas
  • Thinner
  • $649
  • 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
  • $649
  • 4/3
  • Less expensive
  • Longer video battery life
Compare Other Cameras?