• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Olympus E-PM2 advantages over Sony A6400

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Fast startup
    ~0.70 vs 1.8 sec
    Faster startup lets you catch the moment
  • Thinner
    33 mm vs 59 mm
    Thinner
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    384g vs 519g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Sony A6400 advantages over Olympus E-PM2

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C 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
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    6 years vs 12 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Higher-res screen
    307k vs 154k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.12 vs 0.20 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.2 vs 16.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.0 fps vs 7.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    87 vs 16 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.1 fps vs 8.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    42 vs 16 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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 Olympus E-PM2

Your purchases support this site

Buy the Sony A6400

Review Excerpt

  • Super compact and lightweight; Excellent image and print quality that rivals much more expensive CSCs and DSLRs; Solid low-light (high ISO) performance; Touchscreen LCD responsive and useful once you get used to it; Speedy and accurate AF on still subjects; Tons of advanced shooting features and customizing options.

  • Maddening menu system; No physical Mode dial; Motion AF not quite up to par; Mediocre HD video quality; No built-in flash (but a small external flash is included).

The Competition

Compared to Panasonic GF2

Olympus E-PM2
Panasonic GF2
  • $1599
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
  • $617
  • 4/3
  • Bigger pixels
  • Tiltable Screen
Sony A6400
Panasonic GF2
  • $798
  • APS-C
  • Focus peaking
  • Larger sensor
  • $617
  • 4/3
  • Lens selection
  • Fast startup

Compared to Panasonic GF3

Olympus E-PM2
Panasonic GF3
  • $1599
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
  • $675
  • 4/3
  • Bigger pixels
  • Internal flash
Sony A6400
Panasonic GF3
  • $798
  • APS-C
  • Focus peaking
  • Larger sensor
  • $675
  • 4/3
  • Lens selection
  • Thinner

Compared to Panasonic GM5

Olympus E-PM2
Panasonic GM5
  • $1599
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization
  • $898
  • 4/3
  • Focus peaking
  • Eye-level viewfinder
Sony A6400
Panasonic GM5
  • $798
  • APS-C
  • Larger sensor
  • Shoot 4K video
  • $898
  • 4/3
  • Lens selection
  • Fast startup

Compared to Fujifilm X-T100

Olympus E-PM2
Fujifilm X-T100
  • $1599
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
  • $599
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
Sony A6400
Fujifilm X-T100
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony A6100

Olympus E-PM2
Sony A6100
  • $1599
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
  • $648
  • APS-C
  • Focus peaking
  • Larger sensor
Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $648
  • APS-C
  • Less expensive
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