• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Sony A99 advantages over Sony A6600

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.97 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Sony A6600 advantages over Sony A99

  • 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
  • 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
  • Longer stills battery life
    More info 810 vs 500 shots
    Capture more photos
  • Newer
    4 years vs 12 years old
    Newer cameras often support more advanced features
  • Faster JPEG shooting
    11.0 fps vs 5.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    99 vs 17 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.0 fps vs 5.9 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    46 vs 18 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

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
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

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

User reviews

Buy From

Your purchases support this site

Buy the Sony A99
Body Only
All A99 Deals

Your purchases support this site

Buy the Sony A6600
Body Only
  • Body Only
  • Kit with 18-135mm Lens
All A6600 Deals

Review Excerpt

The Competition

Compared to Nikon D800

Sony A99
Nikon D800
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $1850
  • 35mm
  • Lens selection
  • Fast startup

Compare Sony A99 vs Nikon D800

Sony A6600
Nikon D800
  • $1265
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1850
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sony A6600 vs Nikon D800

Compared to Canon 5D Mark III

Sony A99
Canon 5D Mark III
  • $1998
  • 35mm
  • Focus peaking
  • Tilt-swivel screen
  • $2139
  • 35mm
  • Lens selection
  • Fast startup

Compare Sony A99 vs Canon 5D Mark III

Sony A6600
Canon 5D Mark III
  • $1265
  • APS-C
  • Focus peaking
  • Less expensive
  • $2139
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sony A6600 vs Canon 5D Mark III

Compared to Nikon D800E

Sony A99
Nikon D800E
  • $1998
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $2212
  • 35mm
  • Lens selection
  • Fast startup

Compare Sony A99 vs Nikon D800E

Sony A6600
Nikon D800E
  • $1265
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $2212
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sony A6600 vs Nikon D800E

Compared to Fujifilm X-T2

Sony A99
Fujifilm X-T2
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $999
  • APS-C
  • Shoot 4K video
  • Built-in Wi-Fi

Compare Sony A99 vs Fujifilm X-T2

Sony A6600
Fujifilm X-T2
  • $1265
  • APS-C
  • In-Camera Image Stabilization
  • Touchscreen
  • $999
  • APS-C
  • Less expensive
  • In-camera panoramas

Compare Sony A6600 vs Fujifilm X-T2

Compared to Fujifilm X-T3

Sony A99
Fujifilm X-T3
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $1299
  • APS-C
  • Shoot 4K video
  • Touchscreen

Compare Sony A99 vs Fujifilm X-T3

Sony A6600
Fujifilm X-T3
  • $1265
  • APS-C
  • In-Camera Image Stabilization
  • NFC
  • $1299
  • APS-C
  • In-camera panoramas
  • Higher max flash sync

Compare Sony A6600 vs Fujifilm X-T3

Compare Other Cameras?