• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16000

Advantages

Nikon D5100 over Sony A65

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Fast startup
    0.50 vs 2.80 sec
    Faster startup lets you catch the moment
  • Bigger JPEG buffer
    Unlimited vs 15 shots
    Take more JPEG shots before waiting (single-shot mode)
  • Bigger RAW buffer
    Unlimited vs 5 shots
    Larger buffer for RAW shots (single-shot mode)

Sony A65 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
  • 60p
    Yes vs No
    A faster framerate can give you more editing options
  • More cross-type AF points
    3 vs 1
    Cross-type AF points improve autofocus performance
  • More pixels
    24.3 vs 16.2 megapixels
    Higher resolution photos
  • Less shutter lag
    0.138 vs 0.273 sec
    Focus and take a photo quickly (wide angle)
  • Faster RAW shooting
    2.4 fps vs 1.3 fps
    Faster RAW shooting in single-shot mode
  • Faster JPEG shooting
    2.1 fps vs 1.4 fps
    Faster JPEG shooting (single-shot mode)

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 Canon T3i

Nikon D5100
Canon T3i
  • $474
  • APS-C
  • Larger sensor
  • Fast startup
  • $533
  • APS-C
  • 60p
  • Faster RAW shooting
Sony A65
Canon T3i
  • $1000
  • APS-C
  • Focus peaking
  • Larger sensor
  • $533
  • APS-C
  • Lens selection
  • Fast startup

Compared to Sony A58

Nikon D5100
Sony A58
  • $474
  • APS-C
  • Lens selection
  • Fast startup
  • $479
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A65
Sony A58
  • $1000
  • APS-C
  • 60p
  • More pixels
  • $479
  • APS-C
  • Fast startup
  • Newer

Compared to Canon T5i

Nikon D5100
Canon T5i
  • $474
  • APS-C
  • Larger sensor
  • Fast startup
  • $722
  • APS-C
  • Touchscreen
  • On-sensor phase detect
Sony A65
Canon T5i
  • $1000
  • APS-C
  • Focus peaking
  • Larger sensor
  • $722
  • APS-C
  • Lens selection
  • Fast startup

Compared to Pentax K-50

Nikon D5100
Pentax K-50
  • $474
  • APS-C
  • Tiltable Screen
  • External Mic
  • $573
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A65
Pentax K-50
  • $1000
  • APS-C
  • Tiltable Screen
  • External Mic
  • $573
  • APS-C
  • Lens selection
  • More cross-type AF points

Compared to Pentax K-500

Nikon D5100
Pentax K-500
  • $474
  • APS-C
  • Tiltable Screen
  • External Mic
  • $579
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A65
Pentax K-500
  • $1000
  • APS-C
  • Tiltable Screen
  • External Mic
  • $579
  • APS-C
  • Lens selection
  • More cross-type AF points
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