• APS-C 369.7mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • 1/2.3 inch 28.1mm2
  • 16.2 megapixels
  • 27.00mm - 810.00mm (35mm eq.)

Buy From

Differences

Sony A55 advantages over Sony HX100V

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.82 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    32 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Sony HX100V advantages over Sony A55

  • Less expensive
    $450 vs $850 (MSRP)
    Save money for lenses or accessories
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    10.0 fps vs 9.0 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in GPS
    Both provide
    Geotag your photos
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

Buy From

Your purchases support this site

Buy the Sony A55

Your purchases support this site

Buy the Sony HX100V

Review Excerpt

The Competition

Compared to Canon T2i

Sony A55
Canon T2i
  • $734
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $692
  • APS-C
  • Lens selection
  • Fast startup

Compare Sony A55 vs Canon T2i

Sony HX100V
Canon T2i
  • $312
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $692
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Sony HX100V vs Canon T2i

Compared to Panasonic DMC-FZ100

Sony A55
Panasonic DMC-FZ100
  • $734
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $500
  • 1/2.33 inch
  • Less expensive
  • Longer stills battery life

Compare Sony A55 vs Panasonic DMC-FZ100

Sony HX100V
Panasonic DMC-FZ100
  • $312
  • 1/2.3 inch
  • More telephoto lens reach
  • Built-in GPS
  • $500
  • 1/2.33 inch
  • RAW file ability
  • Hot shoe

Compare Sony HX100V vs Panasonic DMC-FZ100

Compared to Sony A33

Sony A55
Sony A33
  • $734
  • APS-C
  • Higher effective ISO
  • Built-in GPS
  • $540
  • APS-C

Compare Sony A55 vs Sony A33

Sony HX100V
Sony A33
  • $312
  • 1/2.3 inch
  • Less expensive
  • Built-in GPS
  • $540
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Sony HX100V vs Sony A33

Compared to Sony A35

Sony A55
Sony A35
  • $734
  • APS-C
  • Tiltable Screen
  • Built-in GPS
  • $567
  • APS-C
  • Less expensive
  • Longer stills battery life

Compare Sony A55 vs Sony A35

Sony HX100V
Sony A35
  • $312
  • 1/2.3 inch
  • Less expensive
  • Tiltable Screen
  • $567
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Sony HX100V vs Sony A35

Compared to Sony HX200V

Sony A55
Sony HX200V
  • $734
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $349
  • 1/2.3 inch
  • Less expensive
  • Focus peaking

Compare Sony A55 vs Sony HX200V

Sony HX100V
Sony HX200V
  • $312
  • 1/2.3 inch
  • Built-in GPS
  • $349
  • 1/2.3 inch
  • Focus peaking
  • Higher extended ISO

Compare Sony HX100V vs Sony HX200V

Compare Other Cameras?