• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 100.00mm (35mm eq.)

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Differences

Olympus E-M1 advantages over Canon G5X

  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.75 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.80 vs 2.0 sec
    Faster startup lets you catch the moment
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 350 vs 215 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Less shutter lag
    0.14 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    9.9 fps vs 7.6 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    50 vs 8 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    9.9 fps vs 0.8 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/16000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon G5X advantages over Olympus E-M1

  • Less expensive
    $699* vs $1299
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    44 mm vs 63 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/320 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    3 years vs 5 years old
    Newer cameras often support more advanced features
  • Lighter weight
    377g vs 497g
    Lighter weight
  • More pixels
    20.2 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger RAW buffer
    Unlimited vs 50 shots
    Larger buffer for RAW shots (burst mode)

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • 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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Exceptional rugged, weather-proof, professional build; Lightning fast contrast-detect AF, and phase-detect AF that makes Four Thirds lenses far more responsive; Tons of useful physical controls with immense customizability; Arguably the best image quality of any Micro Four Thirds camera we've tested to date; Large, sharp, high-resolution electronic viewfinder; Advanced Wi-Fi capabilities, including remote control shooting in PASM exposure modes.

  • Bigger and heavier than many other compact system cameras; Most expensive Micro Four Thirds camera on the market to date; Menu system and customization options have a steep learning curve; No optical low-pass filter means greater risk of moire; No built-in flash.

  • Photographer-friendly controls; Good OLED viewfinder; Good image quality with sharp detail especially with RAW; Vari-angle touchscreen display.

  • Only 31 autofocus points; Subpar continuous shooting performance; Soft corners at wide-angle; Flare issues and fringing shooting wide-open; No 4K video; Poor battery life.

The Competition

Compared to Olympus E-M5

Olympus E-M1
Olympus E-M5
  • $1099
  • 4/3
  • Focus peaking
  • Fast startup
  • $799
  • 4/3
  • Less expensive
  • Thinner
Canon G5X
Olympus E-M5
  • $699
  • 1 inch
  • Less expensive
  • Tilt-swivel screen
  • $799
  • 4/3
  • Larger sensor
  • Bigger pixels

Compared to Panasonic GH3

Olympus E-M1
Panasonic GH3
  • $1099
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $823
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Canon G5X
Panasonic GH3
  • $699
  • 1 inch
  • Focus peaking
  • In-Camera Image Stabilization
  • $823
  • 4/3
  • Larger sensor
  • Bigger pixels

Compared to Panasonic GH4

Olympus E-M1
Panasonic GH4
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect
  • $798
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Canon G5X
Panasonic GH4
  • $699
  • 1 inch
  • In-Camera Image Stabilization
  • Integrated ND filter
  • $798
  • 4/3
  • Larger sensor
  • Bigger pixels

Compared to Canon G7X

Olympus E-M1
Canon G7X
  • $1099
  • 4/3
  • Larger sensor
  • Eye-level viewfinder
  • $574
  • 1 inch
  • Less expensive
  • NFC
Canon G5X
Canon G7X
  • $699
  • 1 inch
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $574
  • 1 inch
  • Less expensive
  • Longer exposure

Compared to Panasonic GX8

Olympus E-M1
Panasonic GX8
  • $1099
  • 4/3
  • Fast startup
  • On-sensor phase detect
  • $1098
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Canon G5X
Panasonic GX8
  • $699
  • 1 inch
  • Less expensive
  • Internal flash
  • $1098
  • 4/3
  • Larger sensor
  • Bigger pixels
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