• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

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Differences

Sony A65 advantages over Olympus E-M10

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 510 vs 320 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Less shutter lag
    0.14 vs 0.23 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.73x vs 0.58x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.3 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
  • Faster JPEG shooting
    10.0 fps vs 8.1 fps
    Faster JPEG shooting (burst mode)

Olympus E-M10 advantages over Sony A65

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $800 vs $1000 (MSRP)
    Save money for lenses or accessories
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~1.30 vs 2.8 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    884 vs 717 iso
    Take photos in low light with less noise
  • Thinner
    45 mm vs 80 mm
    Thinner
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    515g vs 846g
    Lighter weight
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Similarities

Common Strengths

  • 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

Your purchases support this site

Buy the Sony A65

Your purchases support this site

Buy the Olympus E-M10

Review Excerpt

  • Great image quality especially from RAW files; Excellent dynamic range for a Four Thirds sensor; Very good high ISO performance; Realistic colors and excellent hue accuracy; Built-in Wi-Fi with remote control and sharing features; Improved HD video; Lightweight and very portable; Built-in pop-up flash; Minimal EVF lag time.

  • Contrast-Detect AF struggles with small and low-contrast subjects; Mediocre battery life; No external microphone or headphone jack; Mediocre burst speed with continuous AF; No weather sealing; Heavy-handed high ISO noise reduction.

The Competition

Compared to Nikon D3200

Sony A65
Nikon D3200
  • $798
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $477
  • APS-C
  • Lens selection
  • Fast startup
Olympus E-M10
Nikon D3200
  • $399
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $477
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Nikon D5200

Sony A65
Nikon D5200
  • $798
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $590
  • APS-C
  • Lens selection
  • Fast startup
Olympus E-M10
Nikon D5200
  • $399
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $590
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compared to Sony A58

Sony A65
Sony A58
  • $798
  • APS-C
  • Tilt-swivel screen
  • Built-in GPS
  • $598
  • APS-C
  • Less expensive
  • Fast startup
Olympus E-M10
Sony A58
  • $399
  • 4/3
  • Lens selection
  • Touchscreen
  • $598
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic GX7

Sony A65
Panasonic GX7
  • $798
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $648
  • 4/3
  • Lens selection
  • Touchscreen
Olympus E-M10
Panasonic GX7
  • $399
  • 4/3
  • Less expensive
  • Higher effective ISO
  • $648
  • 4/3
  • In-camera panoramas
  • Fast startup

Compared to Olympus E-M10 II

Sony A65
Olympus E-M10 II
  • $798
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
  • $349
  • 4/3
  • Lens selection
  • Touchscreen
Olympus E-M10
Olympus E-M10 II
  • $399
  • 4/3
  • $349
  • 4/3
  • Fast startup
  • Shoots 24p video
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