• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 100 - 6400

Buy From

Differences

Nikon D3100 advantages over Nikon D800E

  • Less expensive
    $700 vs $3300 (MSRP)
    Save money for lenses or accessories
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    100 vs 54 shots
    Take more JPEG shots before waiting (burst mode)

Nikon D800E advantages over Nikon D3100

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~0.30 vs 0.4 sec
    Faster startup lets you catch the moment
  • Better color depth
    25.6 vs 22.5 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    2,979 vs 919 iso
    Take photos in low light with less noise
  • More dynamic range
    14.3 vs 11.2 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 900 vs 550 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
  • More cross-type AF points
    15 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.70x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    36.3 vs 14.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    51 vs 11
    More AF points improve autofocus
  • 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
    4.0 fps vs 2.9 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 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
  • 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

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

Buy From

Your purchases support this site

Your purchases support this site

Review Excerpt

  • Rugged build; Excellent controls; Extremely high resolution, even more than the D800; Dual cards; Surprising high ISO performance.

  • Moire problem with certain subjects; Very large files; Slower frame rate; Battery life lower than D700.

The Competition

Compared to Sony A33

Nikon D3100
Sony A33
  • $700
  • APS-C
  • Lens selection
  • Fast startup
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Nikon D800E
Sony A33
  • $2212
  • 35mm
  • Lens selection
  • Larger sensor
  • $540
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compared to Pentax K-r

Nikon D3100
Pentax K-r
  • $700
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $850
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup
Nikon D800E
Pentax K-r
  • $2212
  • 35mm
  • Larger sensor
  • Better color depth
  • $850
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compared to Nikon D5100

Nikon D3100
Nikon D5100
  • $700
  • APS-C
  • $549
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
Nikon D800E
Nikon D5100
  • $2212
  • 35mm
  • Larger sensor
  • Fast startup
  • $549
  • APS-C
  • Tilt-swivel screen
  • Has anti-aliasing filter

Compared to Nikon D800

Nikon D3100
Nikon D800
  • $700
  • APS-C
  • Less expensive
  • Bigger JPEG buffer
  • $1850
  • 35mm
  • Larger sensor
  • Fast startup
Nikon D800E
Nikon D800
  • $2212
  • 35mm
  • Lacks anti-aliasing filter
  • $1850
  • 35mm
  • Has anti-aliasing filter

Compared to Nikon D810

Nikon D3100
Nikon D810
  • $700
  • APS-C
  • Has anti-aliasing filter
  • Bigger JPEG buffer
  • $2797
  • 35mm
  • Larger sensor
  • Better color depth
Nikon D800E
Nikon D810
  • $2212
  • 35mm
  • Fast startup
  • $2797
  • 35mm
  • Longer stills battery life
  • Newer
Compare Other Cameras?