• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 300.00mm (35mm eq.)

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Differences

Sony A5100 advantages over Nikon S6900

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 400 vs 180 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
  • Higher-res screen
    230k vs 115k pixels
    More detail on the screen lets you judge focus and composition
  • More pixels
    24.3 vs 16.0 megapixels
    Higher resolution photos
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    67 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Nikon S6900 advantages over Sony A5100

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Faster JPEG shooting
    9.0 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

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
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • 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

  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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

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Your purchases support this site

Buy the Sony A5100

Your purchases support this site

Buy the Nikon S6900

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
  • $414
  • APS-C
  • Higher-res screen
  • Hot shoe
Nikon S6900
Samsung NX1000
  • $500
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $414
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Nikon S6500

Sony A5100
Nikon S6500
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $400
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Thinner
Nikon S6900
Nikon S6500
  • $500
  • 1/2.3 inch
  • Tilt-swivel screen
  • Touchscreen
  • $400
  • 1/2.3 inch

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe
Nikon S6900
Samsung NX1100
  • $500
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $450
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A5000

Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
Nikon S6900
Sony A5000
  • $500
  • 1/2.3 inch
  • Tilt-swivel screen
  • In-Camera Image Stabilization
  • $298
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Nikon S810c

Sony A5100
Nikon S810c
  • $348
  • APS-C
  • Focus peaking
  • Larger sensor
  • $350
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Built-in GPS
Nikon S6900
Nikon S810c
  • $500
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen
  • $350
  • 1/2.3 inch
  • Built-in GPS
  • Longer stills battery life
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