• 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Olympus E-M5 III advantages over Panasonic S5 IIX

  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    49 mm vs 81 mm
    Thinner
  • Lighter weight
    414g vs 714g
    Lighter weight
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Panasonic S5 IIX advantages over Olympus E-M5 III

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Slower slow-motion
    180 fps vs 120 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 5.93 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    14 months vs 5 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    613k vs 346k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Higher extended ISO
    204800 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • 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
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

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
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Review Excerpt

  • 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-M10 III

Olympus E-M5 III
Olympus E-M10 III
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $549
  • 4/3
  • Less expensive
  • Longer video battery life
Panasonic S5 IIX
Olympus E-M10 III
  • $2200
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $549
  • 4/3
  • Internal flash
  • Thinner

Compared to Panasonic G100

Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $623
  • 4/3
  • Less expensive
  • In-camera panoramas
Panasonic S5 IIX
Panasonic G100
  • $2200
  • 35mm
  • Larger sensor
  • Slower slow-motion
  • $623
  • 4/3
  • In-camera panoramas
  • Internal flash

Compared to Olympus E-M10 IV

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
Panasonic S5 IIX
Olympus E-M10 IV
  • $2200
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $666
  • 4/3
  • Internal flash
  • Thinner

Compared to Canon R6 Mark II

Olympus E-M5 III
Canon R6 Mark II
  • $924
  • 4/3
  • Less expensive
  • High resolution composite
  • $2530
  • 35mm
  • Larger sensor
  • Slower slow-motion
Panasonic S5 IIX
Canon R6 Mark II
  • $2200
  • 35mm
  • High resolution composite
  • Top deck display
  • $2530
  • 35mm
  • On-sensor phase detect
  • Has anti-aliasing filter

Compared to Panasonic S5 II

Olympus E-M5 III
Panasonic S5 II
  • $924
  • 4/3
  • On-sensor phase detect
  • Thinner
  • $2000
  • 35mm
  • Larger sensor
  • Slower slow-motion
Panasonic S5 IIX
Panasonic S5 II
  • $2200
  • 35mm
  • $2000
  • 35mm
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