• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

Buy From

Differences

Nikon D5100 advantages over Sony A7C

  • Less expensive
    $650* vs $1798
    Save money for lenses or accessories
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • More telephoto lens reach
    83 mm vs 60 mm
    Capture objects farther away with the kit lens
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Sony A7C advantages over Nikon D5100

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.93 vs 4.79 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    59 mm vs 79 mm
    Thinner
  • Newer
    4 years vs 14 years old
    Newer cameras often support more advanced features
  • More pixels
    24.2 vs 16.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • 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

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Review Excerpt

  • Side-mounted tilt / swivel LCD screen; same sensor and processing as the Nikon D7000; good speed and battery life; in-camera HDR and filter effects; Full HD video capture with aperture control; audio levels control and external microphone jack.

  • AF-S lens mount doesn't offer autofocus with screw-drive lenses; popup flash isn't the greatest; no built-in wireless flash control; HDR function doesn't microalign source images.

The Competition

Compared to Sony A55

Nikon D5100
Sony A55
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Sony A7C
Sony A55
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $734
  • APS-C
  • In-camera panoramas
  • Built-in GPS

Compared to Sony A33

Nikon D5100
Sony A33
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Sony A7C
Sony A33
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $540
  • APS-C
  • In-camera panoramas
  • More telephoto lens reach

Compared to Sony A57

Nikon D5100
Sony A57
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A7C
Sony A57
  • $1598
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
  • $800
  • APS-C
  • In-camera panoramas
  • More telephoto lens reach

Compared to Canon EOS RP

Nikon D5100
Canon EOS RP
  • $650
  • APS-C
  • Less expensive
  • Fast startup
  • $949
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A7C
Canon EOS RP
  • $1598
  • 35mm
  • Less expensive
  • Focus peaking
  • $949
  • 35mm
  • More telephoto lens reach
  • Wider angle kit lens

Compared to Sigma fp

Nikon D5100
Sigma fp
  • $650
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1485
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7C
Sigma fp
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $1485
  • 35mm
  • Thinner
  • More dots on screen
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