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

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Differences

Panasonic GM5 advantages over Olympus E-M5 III

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Thinner
    36 mm vs 49 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    56 vs 26 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M5 III advantages over Panasonic GM5

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • 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
  • Longer stills battery life
    More info 310 vs 220 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
    18 months vs 7 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.68x vs 0.46x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    20.4 vs 16.0 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    30.0 fps vs 5.7 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 4.9 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    23 vs 7 shots
    Larger buffer for RAW shots (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
  • 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
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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 GM5

Your purchases support this site

Buy the Olympus E-M5 III

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.

  • 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 GM1

Panasonic GM5
Panasonic GM1
  • $898
  • 4/3
  • Eye-level viewfinder
  • In-camera panoramas
  • $479
  • 4/3
  • Internal flash
  • Faster JPEG shooting
Olympus E-M5 III
Panasonic GM1
  • $949
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $479
  • 4/3
  • Less expensive
  • Internal flash

Compared to Panasonic GF7

Panasonic GM5
Panasonic GF7
  • $898
  • 4/3
  • Eye-level viewfinder
  • Hot shoe
  • $590
  • 4/3
  • Less expensive
  • Tiltable Screen
Olympus E-M5 III
Panasonic GF7
  • $949
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $590
  • 4/3
  • In-camera panoramas
  • Internal flash

Compared to Panasonic GX850

Panasonic GM5
Panasonic GX850
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
Olympus E-M5 III
Panasonic GX850
  • $949
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $548
  • 4/3
  • In-camera panoramas
  • Internal flash

Compared to Panasonic G100

Panasonic GM5
Panasonic G100
  • $898
  • 4/3
  • Thinner
  • Lighter weight
  • $598
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
Olympus E-M5 III
Panasonic G100
  • $949
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Panasonic GM5
Olympus E-M10 IV
  • $898
  • 4/3
  • In-camera panoramas
  • Thinner
  • $700
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
Olympus E-M5 III
Olympus E-M10 IV
  • $949
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $700
  • 4/3
  • Longer video battery life
  • Internal flash
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