• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 35mm 858.0mm2
  • 45.7 megapixels
  • ISO 64 - 25,600

Buy From

Differences

Sony A5100 advantages over Nikon D850

  • Less expensive
    $498 vs $3097
    Save money for lenses or accessories
  • 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 78 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Nikon D850 advantages over Sony A5100

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • 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
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Fast startup
    ~0.20 vs 2.0 sec
    Faster startup lets you catch the moment
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Better color depth
    26.4 vs 23.8 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    2,660 vs 1,347 iso
    Take photos in low light with less noise
  • More dynamic range
    14.8 vs 12.7 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 1840 vs 400 shots
    Capture more photos
  • 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
    17 months vs 4 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    590k 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
  • Less shutter lag
    0.08 vs 0.23 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    45.7 vs 24.3 megapixels
    Higher resolution photos
  • 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
  • Faster JPEG shooting
    7.1 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)
  • Faster RAW shooting
    7.1 fps vs 6.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    200 vs 25 shots
    Larger buffer for RAW shots (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
    102400 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    Neither provide
    Geotag your photos

User reviews

Buy From

Your purchases support this site

Buy the Sony A5100

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.

  • Class-leading resolution; Excellent dynamic range; Very good high ISO performance; Very fast AF and burst shooting; Durable weather-sealed body; Improved ergonomics; Touchscreen; Dual card slots; 4K video.

  • Live view/video mode still uses sluggish contrast-detect AF; Viewfinder only tests at ~98% coverage; No 4K at 60p; 30-minute video clip limit; Focus peaking not supported with 4K.

The Competition

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $398
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe
Nikon D850
Samsung NX1100
  • $3097
  • 35mm
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Less expensive
  • Thinner

Compared to Sony A5000

Sony A5100
Sony A5000
  • $398
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $498
  • APS-C
Nikon D850
Sony A5000
  • $3097
  • 35mm
  • Lens selection
  • Larger sensor
  • $498
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Canon 5DS

Sony A5100
Canon 5DS
  • $398
  • APS-C
  • Focus peaking
  • Less expensive
  • $3499
  • 35mm
  • Lens selection
  • Larger sensor
Nikon D850
Canon 5DS
  • $3097
  • 35mm
  • Focus peaking
  • Shoot 4K video
  • $3499
  • 35mm
  • Has anti-aliasing filter

Compared to Canon EOS M3

Sony A5100
Canon EOS M3
  • $398
  • APS-C
  • Lens selection
  • Larger sensor
  • $429
  • APS-C
  • More telephoto lens reach
  • External Mic Jack
Nikon D850
Canon EOS M3
  • $3097
  • 35mm
  • Lens selection
  • Larger sensor
  • $429
  • APS-C
  • Less expensive
  • NFC

Compared to Sony A99 II

Sony A5100
Sony A99 II
  • $398
  • APS-C
  • Less expensive
  • Touchscreen
  • $3198
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
Nikon D850
Sony A99 II
  • $3097
  • 35mm
  • Lens selection
  • Touchscreen
  • $3198
  • 35mm
  • Tilt-swivel screen
  • In-Camera Image Stabilization
Compare Other Cameras?