• APS-C 357.3mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Sony A3000 advantages over Panasonic G100

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.25 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • More telephoto lens reach
    83 mm vs 64 mm
    Capture objects farther away with the kit lens
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Panasonic G100 advantages over Sony A3000

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Thinner
    54 mm vs 84 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    5 years vs 12 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Lighter weight
    419g vs 616g
    Lighter weight
  • More dots on screen
    1840k 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 16000 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 panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • 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

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Sony A3000

Your purchases support this site

Buy the Panasonic G100

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 K-01

Sony A3000
Pentax K-01
  • $598
  • APS-C
  • Less expensive
  • Eye-level viewfinder
  • $359
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Panasonic G100
Pentax K-01
  • $599
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $359
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Sigma sd Quattro

Sony A3000
Sigma sd Quattro
  • $598
  • APS-C
  • Lens selection
  • In-camera panoramas
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
Panasonic G100
Sigma sd Quattro
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon EOS M5

Sony A3000
Canon EOS M5
  • $598
  • APS-C
  • Lens selection
  • In-camera panoramas
  • $679
  • APS-C
  • Touchscreen
  • Tiltable Screen
Panasonic G100
Canon EOS M5
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $679
  • APS-C
  • Larger sensor
  • NFC

Compared to Olympus E-M5 III

Sony A3000
Olympus E-M5 III
  • $598
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $824
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Panasonic G100
Olympus E-M5 III
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $824
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite

Compared to Olympus E-M10 IV

Sony A3000
Olympus E-M10 IV
  • $598
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $599
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
Panasonic G100
Olympus E-M10 IV
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $599
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
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