• 4/3 224.9mm2
  • 12.3 megapixels
  •  
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Olympus E-PM1 advantages over Sony A7C

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • More telephoto lens reach
    84 mm vs 60 mm
    Capture objects farther away with the kit lens
  • Thinner
    34 mm vs 59 mm
    Thinner
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Sony A7C advantages over Olympus E-PM1

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.93 vs 4.29 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    4 years vs 13 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.2 vs 12.3 megapixels
    Higher resolution photos
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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 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

User reviews

Buy From

Review Excerpt

The Competition

Compared to Olympus E-PL3

Olympus E-PM1
Olympus E-PL3
  • $500
  • 4/3
  • Less expensive
  • $700
  • 4/3
  • Tiltable Screen
Sony A7C
Olympus E-PL3
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $700
  • 4/3
  • Lens selection
  • More telephoto lens reach

Compared to Panasonic GF3X

Olympus E-PM1
Panasonic GF3X
  • $500
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
  • $750
  • 4/3
  • Touchscreen
  • Internal flash
Sony A7C
Panasonic GF3X
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $750
  • 4/3
  • Lens selection
  • More telephoto lens reach

Compared to Panasonic GF5

Olympus E-PM1
Panasonic GF5
  • $500
  • 4/3
  • In-Camera Image Stabilization
  • Hot shoe
  • $450
  • 4/3
  • Touchscreen
  • Higher effective ISO
Sony A7C
Panasonic GF5
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $450
  • 4/3
  • Less expensive
  • Lens selection

Compared to Canon EOS RP

Olympus E-PM1
Canon EOS RP
  • $500
  • 4/3
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $949
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
Sony A7C
Canon EOS RP
  • $1598
  • 35mm
  • Less expensive
  • Focus peaking
  • $949
  • 35mm
  • More telephoto lens reach
  • Wider angle kit lens

Compared to Sigma fp

Olympus E-PM1
Sigma fp
  • $500
  • 4/3
  • Thinner
  • Higher max flash sync
  • $1623
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7C
Sigma fp
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $1623
  • 35mm
  • Thinner
  • More dots on screen
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