• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 16.0 megapixels
  •  

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Differences

Samsung GX-20 advantages over Panasonic G3

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.07 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera

Panasonic G3 advantages over Samsung GX-20

  • Less expensive
    $700 vs $1400 (MSRP)
    Save money for lenses or accessories
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Thinner
    46 mm vs 70 mm
    Thinner
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    460k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting 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 Pentax K20D

Samsung GX-20
Pentax K20D
  • $1400
  • APS-C
  • Higher effective ISO
  • $800
  • APS-C
  • Less expensive

Compare Samsung GX-20 vs Pentax K20D

Panasonic G3
Pentax K20D
  • $700
  • 4/3
  • Touchscreen
  • Tiltable Screen
  • $800
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic G3 vs Pentax K20D

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

Compare Samsung GX-20 vs Canon 50D

Panasonic G3
Canon 50D
  • $700
  • 4/3
  • Less expensive
  • Touchscreen
  • $1000
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Panasonic G3 vs Canon 50D

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

Compare Samsung GX-20 vs Pentax K-7

Panasonic G3
Pentax K-7
  • $700
  • 4/3
  • Less expensive
  • Touchscreen
  • $1300
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Panasonic G3 vs Pentax K-7

Compared to Olympus E-M5

Samsung GX-20
Olympus E-M5
  • $1400
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $900
  • 4/3
  • Touchscreen
  • Tiltable Screen

Compare Samsung GX-20 vs Olympus E-M5

Panasonic G3
Olympus E-M5
  • $700
  • 4/3
  • Less expensive
  • Internal flash
  • $900
  • 4/3
  • In-Camera Image Stabilization
  • Higher effective ISO

Compare Panasonic G3 vs Olympus E-M5

Compared to Panasonic GX7

Samsung GX-20
Panasonic GX7
  • $1400
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $648
  • 4/3
  • Focus peaking
  • Less expensive

Compare Samsung GX-20 vs Panasonic GX7

Panasonic G3
Panasonic GX7
  • $700
  • 4/3
  • Less expensive
  • $648
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization

Compare Panasonic G3 vs Panasonic GX7

Compare Other Cameras?