• APS-C 369.7mm2
  • 6.1 megapixels
  • ISO 200 - 1600
  • APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000

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Differences

Nikon D40 advantages over Sony A77

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Bigger pixels
    ~ 7.88 vs 3.95 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 0.8 sec
    Faster startup lets you catch the moment
  • Higher max flash sync
    1/500 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Bigger JPEG buffer
    100 vs 17 shots
    Take more JPEG shots before waiting (burst mode)

Sony A77 advantages over Nikon D40

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Better color depth
    24.0 vs 20.9 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    801 vs 561 iso
    Take photos in low light with less noise
  • More dynamic range
    13.2 vs 11.0 evs
    Retain detail in highlight and shadows
  • Built-in GPS
    GPS vs None
    Geotag your 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
  • More cross-type AF points
    11 vs 1
    Cross-type AF points improve autofocus performance
  • Newer
    7 years vs 12 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.12 vs 0.26 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.3 vs 6.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    19 vs 3
    More AF points improve autofocus
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.6 fps vs 2.5 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    16000 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Review Excerpt

  • Very fast top frame rate; full-time phase-detect autofocus; Full 60p HD video; Excellent kit lens; Very good high-resolution sensor.

  • Heavy; EVF appears dim when used in bright light; AF tracking in Movie mode was unreliable in our testing.

The Competition

Compared to Nikon D7000

Nikon D40
Nikon D7000
  • $600
  • APS-C
  • Less expensive
  • Bigger pixels
  • $699
  • APS-C
  • Better color depth
  • Higher effective ISO
Sony A77
Nikon D7000
  • $549
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $699
  • APS-C
  • Lens selection
  • Bigger pixels

Compared to Canon T3i

Nikon D40
Canon T3i
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $549
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
Sony A77
Canon T3i
  • $549
  • APS-C
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Lens selection
  • More telephoto lens reach

Compared to Nikon D7100

Nikon D40
Nikon D7100
  • $600
  • APS-C
  • Bigger pixels
  • Higher max flash sync
  • $829
  • APS-C
  • Fast startup
  • Better color depth
Sony A77
Nikon D7100
  • $549
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $829
  • APS-C
  • Lens selection
  • Fast startup

Compared to Canon 70D

Nikon D40
Canon 70D
  • $600
  • APS-C
  • Bigger pixels
  • Fast startup
  • $907
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony A77
Canon 70D
  • $549
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $907
  • APS-C
  • Lens selection
  • Touchscreen

Compared to Pentax K-3

Nikon D40
Pentax K-3
  • $600
  • APS-C
  • Bigger pixels
  • Fast startup
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Sony A77
Pentax K-3
  • $549
  • APS-C
  • Tilt-swivel screen
  • In-camera panoramas
  • $699
  • APS-C
  • Lens selection
  • Higher effective ISO
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