• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 1/2.3 inch 28.1mm2
  • 10.0 megapixels
  • 35.00mm - 105.00mm (35mm eq.)

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Differences

Samsung GX-20 advantages over Canon SD770 IS

  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.07 vs 1.69 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    14.6 vs 10.0 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster shutter
    1/4000 vs 1/1500 sec
    Shoot wide open in bright light
  • Higher extended ISO
    6400 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Canon SD770 IS advantages over Samsung GX-20

  • Less expensive
    $300 vs $1400 (MSRP)
    Save money for lenses or accessories
  • Thinner
    20 mm vs 70 mm
    Thinner
  • Higher max flash sync
    1/500 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    151g vs 714g
    Lighter weight

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

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review video
  • 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

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Review Excerpt

The Competition

Compared to Samsung NV40

Samsung GX-20
Samsung NV40
  • $1400
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $329
  • 1/2.33 inch
  • Less expensive
  • Thinner
Canon SD770 IS
Samsung NV40
  • $212
  • 1/2.3 inch
  • Eye-level viewfinder
  • Longer exposure
  • $329
  • 1/2.33 inch
  • Higher extended ISO

Compared to Pentax K20D

Samsung GX-20
Pentax K20D
  • $1400
  • APS-C
  • Higher effective ISO
  • $800
  • APS-C
  • Less expensive
Canon SD770 IS
Pentax K20D
  • $212
  • 1/2.3 inch
  • Less expensive
  • Thinner
  • $800
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Panasonic DMC-FX35

Samsung GX-20
Panasonic DMC-FX35
  • $1400
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $350
  • 1/2.33 inch
  • Less expensive
  • Thinner
Canon SD770 IS
Panasonic DMC-FX35
  • $212
  • 1/2.3 inch
  • Less expensive
  • Eye-level viewfinder
  • $350
  • 1/2.33 inch
  • Wider angle lens
  • Longer exposure

Compared to Canon 50D

Samsung GX-20
Canon 50D
  • $1400
  • APS-C
  • In-Camera Image Stabilization
  • $1000
  • APS-C
  • HDMI out
  • More dots on screen
Canon SD770 IS
Canon 50D
  • $212
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $1000
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Pentax K-7

Samsung GX-20
Pentax K-7
  • $1400
  • APS-C
  • Higher effective ISO
  • $1300
  • APS-C
  • HDMI out
  • More dots on screen
Canon SD770 IS
Pentax K-7
  • $212
  • 1/2.3 inch
  • Less expensive
  • Thinner
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
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