• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Sony A5100 advantages over Panasonic S5 II

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    35 mm vs 81 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Panasonic S5 II advantages over Sony A5100

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.93 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    5.9K vs 1080p
    Make sure you have a fast computer
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    2 years vs 10 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    613k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    30.0 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    200 vs 67 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 25600 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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos

User reviews

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Buy the Sony A5100

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Review Excerpt

  • 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 Samsung NX1000

Sony A5100
Samsung NX1000
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $413
  • APS-C
  • Higher-res screen
  • Hot shoe
Panasonic S5 II
Samsung NX1000
  • $2000
  • 35mm
  • Focus peaking
  • Larger sensor
  • $413
  • APS-C
  • Less expensive
  • Thinner

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe
Panasonic S5 II
Samsung NX1100
  • $2000
  • 35mm
  • Focus peaking
  • Larger sensor
  • $450
  • APS-C
  • Less expensive
  • Thinner

Compared to Sony A5000

Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
Panasonic S5 II
Sony A5000
  • $2000
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $298
  • APS-C
  • In-camera panoramas
  • NFC

Compared to Nikon Z5

Sony A5100
Nikon Z5
  • $348
  • APS-C
  • Less expensive
  • In-camera panoramas
  • $1097
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Panasonic S5 II
Nikon Z5
  • $2000
  • 35mm
  • Tilt-swivel screen
  • High resolution composite
  • $1097
  • 35mm
  • On-sensor phase detect
  • Has anti-aliasing filter

Compared to Panasonic S5 IIX

Sony A5100
Panasonic S5 IIX
  • $348
  • APS-C
  • In-camera panoramas
  • NFC
  • $2200
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
Panasonic S5 II
Panasonic S5 IIX
  • $2000
  • 35mm
  • $2200
  • 35mm
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