• 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 GM1 advantages over Olympus E-M5 III

  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    30 mm vs 49 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M5 III advantages over Panasonic GM1

  • Tilt-swivel screen
    Tilt-swivel vs none
    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
  • 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 230 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 11 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    30.0 fps vs 9.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    26 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 10.3 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
  • 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

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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 GM1
Kit with 12-32mm Lens

Your purchases support this site

Buy the Olympus E-M5 III
Body Only (Black)
  • Body Only (Black)
  • Body Only (Silver)
  • Kit with 14-150mm Lens (Black)
  • Kit with 14-150mm Lens (Silver)
All E-M5 III Deals

Review Excerpt

  • Large Four Thirds sensor is impressive for a camera this small; Shares sensor and processor of GX7; Excellent image quality with class-leading high ISO performance; Responsive all-around performer; AF system is fast and accurate; Easy to use and responsive touchscreen; Built-in Wi-Fi with remote control and sharing features; Lightweight and pocketable design makes it easy to carry everywhere.

  • Can be awkward to use with larger lenses; Rear dial is easy to accidentally press; Lacks a hot-shoe for EVF or external flash; Weak built-in flash; 1/50s flash sync; No 1080p60 video; No external headphone jack or mic input.

  • Read our Panasonic GM1 Review

  • 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.

  • Read our Olympus E-M5 III Review

The Competition

Compared to Olympus E-PL6

Panasonic GM1
Olympus E-PL6
  • $479
  • 4/3
  • Focus peaking
  • Built-in Wi-Fi
  • $299
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compare Panasonic GM1 vs Olympus E-PL6

Olympus E-M5 III
Olympus E-PL6
  • $824
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $299
  • 4/3
  • Thinner
  • Has anti-aliasing filter

Compare Olympus E-M5 III vs Olympus E-PL6

Compared to Panasonic GM5

Panasonic GM1
Panasonic GM5
  • $479
  • 4/3
  • Less expensive
  • Internal flash
  • $898
  • 4/3
  • Eye-level viewfinder
  • In-camera panoramas

Compare Panasonic GM1 vs Panasonic GM5

Olympus E-M5 III
Panasonic GM5
  • $824
  • 4/3
  • Tilt-swivel screen
  • In-Camera Image Stabilization
  • $898
  • 4/3
  • In-camera panoramas
  • Thinner

Compare Olympus E-M5 III vs Panasonic GM5

Compared to Panasonic GF7

Panasonic GM1
Panasonic GF7
  • $479
  • 4/3
  • $590
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Panasonic GM1 vs Panasonic GF7

Olympus E-M5 III
Panasonic GF7
  • $824
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $590
  • 4/3
  • In-camera panoramas
  • Internal flash

Compare Olympus E-M5 III vs Panasonic GF7

Compared to Panasonic G100

Panasonic GM1
Panasonic G100
  • $479
  • 4/3
  • Thinner
  • Lighter weight
  • $623
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder

Compare Panasonic GM1 vs Panasonic G100

Olympus E-M5 III
Panasonic G100
  • $824
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $623
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M5 III vs Panasonic G100

Compared to Olympus E-M10 IV

Panasonic GM1
Olympus E-M10 IV
  • $479
  • 4/3
  • Thinner
  • Has anti-aliasing filter
  • $649
  • 4/3
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compare Panasonic GM1 vs Olympus E-M10 IV

Olympus E-M5 III
Olympus E-M10 IV
  • $824
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $649
  • 4/3
  • Less expensive
  • Longer video battery life

Compare Olympus E-M5 III vs Olympus E-M10 IV

Compare Other Cameras?