• 1/2.33 inch 28.2mm2
  • 14.1 megapixels
  • 24.00mm - 480.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600

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Differences

Panasonic ZS20 advantages over Sony A5100

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    10.0 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Sony A5100 advantages over Panasonic ZS20

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.33 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 1.42 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 400 vs 260 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 460k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    24.3 vs 14.1 megapixels
    Higher resolution photos
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    67 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • 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 Panasonic ZS20

Your purchases support this site

Buy the Sony A5100

Review Excerpt

  • Very long zoom lens; Full HD video; Great grip; Built-in GPS; HDR and Handheld Night Shot modes.

  • Poor image quality due to excessive noise suppression; Flash too close to the grip; No GPS logging; Battery only charges in the camera; Limited touchscreen.

  • Very small and comfortable form factor; Very good image quality for its class; New dual video record function; Quick autofocus and good dynamic range.

  • Lacks an EVF and external mode dial; No hot shoe; JPEG processing at higher ISOs not as good as some competing mid-level models.

The Competition

Compared to Panasonic ZS10

Panasonic ZS20
Panasonic ZS10
  • $217
  • 1/2.33 inch
  • Less expensive
  • More telephoto lens reach
  • $214
  • 1/2.33 inch
  • Built-in Wi-Fi
  • Faster shutter
Sony A5100
Panasonic ZS10
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $214
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer exposure

Compared to Panasonic ZS8

Panasonic ZS20
Panasonic ZS8
  • $217
  • 1/2.33 inch
  • Touchscreen
  • More telephoto lens reach
  • $259
  • 1/2.33 inch
  • Fast startup
  • Longer stills battery life
Sony A5100
Panasonic ZS8
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $259
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Fast startup

Compared to Panasonic ZS19

Panasonic ZS20
Panasonic ZS19
  • $217
  • 1/2.33 inch
  • Built-in GPS
  • $300
  • 1/2.33 inch
Sony A5100
Panasonic ZS19
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $300
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer exposure

Compared to Samsung NX1100

Panasonic ZS20
Samsung NX1100
  • $217
  • 1/2.33 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $450
  • APS-C
  • Larger sensor
  • Bigger pixels
Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe

Compared to Sony A5000

Panasonic ZS20
Sony A5000
  • $217
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Touchscreen
  • $298
  • APS-C
  • Focus peaking
  • Larger sensor
Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
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