• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 357.3mm2
  • 20.1 megapixels
  • ISO 100 - 16,000

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Differences

Samsung GX-20 advantages over Sony A3000

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.07 vs 4.25 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

Sony A3000 advantages over Samsung GX-20

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher effective ISO
    1,068 vs 714 iso
    Take photos in low light with less noise
  • More dynamic range
    12.8 vs 11.2 evs
    Retain detail in highlight and shadows
  • Newer
    6 years vs 11 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    20.1 vs 14.6 megapixels
    Higher resolution photos
  • Higher extended ISO
    16000 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

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

  • 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
  • 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
  • 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

User reviews

Buy From

Your purchases support this site

Review Excerpt

  • Absolutely incredible value; Includes a stabilized kit lens; More versatile than a fixed-lens bridge camera; Comfortable body with good ergonomics; Great image quality; Good autofocus performance; Decent battery life.

  • Feels a bit plasticky; Slow burst shooting with limited buffer; Sluggish to power on or switch modes; Low-res EVF and LCD monitor; Can't review images using EVF; No video output; Weak flash; Battery charges in-camera.

The Competition

Compared to Pentax K20D

Samsung GX-20
Pentax K20D
  • $1400
  • APS-C
  • Higher effective ISO
  • $800
  • APS-C
  • Less expensive
Sony A3000
Pentax K20D
  • $474
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $800
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

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
Sony A3000
Canon 50D
  • $474
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $1000
  • APS-C
  • Lens selection
  • 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
Sony A3000
Pentax K-7
  • $474
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $1300
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compared to Pentax K-01

Samsung GX-20
Pentax K-01
  • $1400
  • APS-C
  • Eye-level viewfinder
  • Top deck display
  • $359
  • APS-C
  • Less expensive
  • Focus peaking
Sony A3000
Pentax K-01
  • $474
  • APS-C
  • Eye-level viewfinder
  • In-camera panoramas
  • $359
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compared to Sigma sd Quattro

Samsung GX-20
Sigma sd Quattro
  • $1400
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
  • $674
  • APS-C
  • Focus peaking
  • On-sensor phase detect
Sony A3000
Sigma sd Quattro
  • $474
  • APS-C
  • Less expensive
  • Lens selection
  • $674
  • APS-C
  • On-sensor phase detect
  • Newer
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