• APS-C 366.6mm2
  • 24.1 megapixels
  • ISO 100 - 6400
  • 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 64 - 12,800

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Differences

Nikon D7100 advantages over Nikon D810

  • Less expensive
    $997 vs $3297
    Save money for lenses or accessories
  • Fast startup
    ~0.30 vs 0.5 sec
    Faster startup lets you catch the moment
  • Faster JPEG shooting
    5.8 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)

Nikon D810 advantages over Nikon D7100

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.88 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    2,853 vs 1,256 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 1200 vs 950 shots
    Capture more photos
  • More viewfinder magnification
    0.70x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    36.3 vs 24.1 megapixels
    Higher resolution photos
  • Bigger JPEG buffer
    57 vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    23 vs 5 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    51200 vs 25600 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
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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

User reviews

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Your purchases support this site

Buy the Nikon D7100

Review Excerpt

  • Solid, ergonomic body design; Stunning, highly detailed photos, thanks to 24.1MP sensor upgrade and removal of optical low-pass filter; Cool 1.3x crop mode extends reach to nearly 2x the full-frame equivalent; Records Full 1080p HD video at up to 30fps with full-time AF; Many pro-level features packed into a consumer-friendly body at reasonable price.

  • Shallow buffer that hampers continuous burst shooting; AF slightly slower than average for its class; No real-time aperture control while in Movie mode (among other quirks); More noticeable moire patterns and aliasing artifacts (but only found when shooting fabrics with strong, distinct patterns).

  • Handles even better than its predecessors; Absolutely spectacular images from the 36-megapixel image sensor; Unusually wide sensitivity range for its resolution; Improved performance and buffer depths; Improved video feature set; Impressive low-light autofocus

  • Prone to moire and false color with some subjects; No longer available with a low-pass filter; Demands excellent lenses for the best detail; White balance tends warm under tungsten lighting

The Competition

Compared to Canon 70D

Nikon D7100
Canon 70D
  • $795
  • APS-C
  • Fast startup
  • Higher effective ISO
  • $739
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Nikon D810
Canon 70D
  • $2797
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $739
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Canon 5D Mark IV

Nikon D7100
Canon 5D Mark IV
  • $795
  • APS-C
  • Less expensive
  • Fast startup
  • $2799
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D810
Canon 5D Mark IV
  • $2797
  • 35mm
  • Longer stills battery life
  • Internal flash
  • $2799
  • 35mm
  • Shoot 4K video
  • Touchscreen

Compared to Nikon D800E

Nikon D7100
Nikon D800E
  • $795
  • APS-C
  • Faster JPEG shooting
  • Faster RAW shooting
  • $2212
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D810
Nikon D800E
  • $2797
  • 35mm
  • Longer stills battery life
  • Newer
  • $2212
  • 35mm
  • Fast startup

Compared to Pentax K-3

Nikon D7100
Pentax K-3
  • $795
  • APS-C
  • Fast startup
  • Longer stills battery life
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Nikon D810
Pentax K-3
  • $2797
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compared to Sony A77 II

Nikon D7100
Sony A77 II
  • $795
  • APS-C
  • Lens selection
  • Less expensive
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
Nikon D810
Sony A77 II
  • $2797
  • 35mm
  • Lens selection
  • Larger sensor
  • $1198
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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