• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1 inch 116.2mm2
  • 20.8 megapixels
  • ISO 160 - 12,800

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Differences

Sony A5100 advantages over Nikon J5

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 2.37 microns
    Better low-light and dynamic range (all else equal)
  • Better color depth
    23.8 vs 21.1 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,347 vs 479 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 400 vs 250 shots
    Capture more photos
  • Higher max flash sync
    1/160 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More pixels
    24.3 vs 20.8 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Bigger JPEG buffer
    67 vs 20 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Nikon J5 advantages over Sony A5100

  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Higher-res screen
    346k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.07 vs 0.23 sec
    Focus and take a photo quickly (wide angle)
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    59.4 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    59.4 fps vs 6.0 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • 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
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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 Sony A5100

Your purchases support this site

Buy the Nikon J5

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.

  • Photographer-friendly controls; Impressive dynamic range for its class; Very fast hybrid autofocus; Fast high-speed shooting capabilities; Tilting touchscreen display.

  • No hot shoe or viewfinder; Aggressive noise reduction, even at base ISO; 4K video is limited to 15fps.

The Competition

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe
Nikon J5
Samsung NX1100
  • $497
  • 1 inch
  • Shoot 4K video
  • Touchscreen
  • $450
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony NEX-5T

Sony A5100
Sony NEX-5T
  • $348
  • APS-C
  • Higher effective ISO
  • Longer stills battery life
  • $299
  • APS-C
  • Less expensive
  • Bigger pixels
Nikon J5
Sony NEX-5T
  • $497
  • 1 inch
  • Shoot 4K video
  • Internal flash
  • $299
  • APS-C
  • Lens selection
  • Focus peaking

Compared to Sony A5000

Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive
Nikon J5
Sony A5000
  • $497
  • 1 inch
  • Shoot 4K video
  • Touchscreen
  • $298
  • APS-C
  • Lens selection
  • Focus peaking

Compared to Samsung NX Mini

Sony A5100
Samsung NX Mini
  • $348
  • APS-C
  • Less expensive
  • Focus peaking
  • $580
  • 1 inch
  • Longer stills battery life
  • Thinner
Nikon J5
Samsung NX Mini
  • $497
  • 1 inch
  • Less expensive
  • Shoot 4K video
  • $580
  • 1 inch
  • Longer stills battery life
  • Thinner

Compared to Nikon J4

Sony A5100
Nikon J4
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $350
  • 1 inch
  • Less expensive
  • Higher-res screen
Nikon J5
Nikon J4
  • $497
  • 1 inch
  • Shoot 4K video
  • Tiltable Screen
  • $350
  • 1 inch
  • Less expensive
  • Longer stills battery life
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