• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000

Buy From

Differences

Nikon D5100 advantages over Sony A65

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Fast startup
    ~0.50 vs 2.8 sec
    Faster startup lets you catch the moment
  • Bigger pixels
    ~ 4.79 vs 3.95 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    1,183 vs 717 iso
    Take photos in low light with less noise
  • Longer battery life
    More info 660 vs 510 shots
    Capture more photos

Sony A65 advantages over Nikon D5100

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More viewfinder magnification
    0.73x vs 0.52x
    Get a bigger view of the scene through the eye-level viewfinder
  • More cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • Less shutter lag
    0.14 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 16.2 megapixels
    Higher resolution photos
  • More AF points
    15 vs 11
    More AF points improve autofocus
  • Faster JPEG shooting
    10.0 fps vs 3.9 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • 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 an external screen to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Touchscreen
    Neither provide
    Select your focus point more intuitively.
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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 Nikon D3100

Nikon D5100
Nikon D3100
  • $385
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
  • $700
  • APS-C
  • Less expensive
Sony A65
Nikon D3100
  • $426
  • APS-C
  • Focus peaking
  • Tiltable Screen
  • $700
  • APS-C
  • Lens selection
  • Fast startup

Compared to Sony DSLR-A560

Nikon D5100
Sony DSLR-A560
  • $385
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $750
  • APS-C
  • Less expensive
  • In-camera panoramas
Sony A65
Sony DSLR-A560
  • $426
  • APS-C
  • Focus peaking
  • Shoots 60p video
  • $750
  • APS-C
  • Fast startup
  • Bigger pixels

Compared to Nikon D3200

Nikon D5100
Nikon D3200
  • $385
  • APS-C
  • Tilt-swivel screen
  • Bigger pixels
  • $447
  • APS-C
  • Shoots 60p video
  • More pixels
Sony A65
Nikon D3200
  • $426
  • APS-C
  • Focus peaking
  • Tiltable Screen
  • $447
  • APS-C
  • Less expensive
  • Lens selection

Compared to Sony A37

Nikon D5100
Sony A37
  • $385
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $600
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
Sony A65
Sony A37
  • $426
  • APS-C
  • Focus peaking
  • Shoots 60p video
  • $600
  • APS-C
  • Fast startup
  • Bigger pixels

Compared to Nikon D5200

Nikon D5100
Nikon D5200
  • $385
  • APS-C
  • Bigger pixels
  • Longer battery life
  • $564
  • APS-C
  • Shoots 60p video
  • More cross-type AF points
Sony A65
Nikon D5200
  • $426
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $564
  • APS-C
  • Tilt-swivel screen
  • Less expensive
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