• APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600

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Differences

Nikon D3100 advantages over Panasonic GF7

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.01 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.40 vs 1.1 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 550 vs 230 shots
    Capture more photos
  • More telephoto lens reach
    83 mm vs 64 mm
    Capture objects farther away with the kit lens
  • Higher max flash sync
    1/200 vs 1/50 sec
    Reduce the effect of ambient light in flash shots
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Bigger JPEG buffer
    100 vs 7 shots
    Take more JPEG shots before waiting (burst mode)

Panasonic GF7 advantages over Nikon D3100

  • Less expensive
    $600 vs $700 (MSRP)
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Thinner
    33 mm vs 74 mm
    Thinner
  • Newer
    10 years vs 14 years old
    Newer cameras often support more advanced features
  • Lighter weight
    342g vs 777g
    Lighter weight
  • More dots on screen
    1037k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    11.1 fps vs 2.9 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/16000 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

  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review 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
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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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Buy the Nikon D3100

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Buy the Panasonic GF7
Kit with 12-32mm lens (Black)
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Review Excerpt

  • Very good image quality for its size; Fast AF for its class; 10fps burst mode with electronic shutter; Lightweight, yet well-built, compact design; Great value for the money.

  • Continuous AF is not reliable; Shallow buffer with RAW; Below average battery life; No EVF; Maximum mechanical shutter speed of only 1/500s.

  • Read our Panasonic GF7 Review

The Competition

Compared to Sony DSLR-A380

Nikon D3100
Sony DSLR-A380
  • $700
  • APS-C
  • Lens selection
  • Less expensive
  • $849
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen

Compare Nikon D3100 vs Sony DSLR-A380

Panasonic GF7
Sony DSLR-A380
  • $590
  • 4/3
  • Lens selection
  • Focus peaking
  • $849
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Panasonic GF7 vs Sony DSLR-A380

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

Compare Nikon D3100 vs Sony A33

Panasonic GF7
Sony A33
  • $590
  • 4/3
  • Lens selection
  • Focus peaking
  • $540
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Panasonic GF7 vs Sony A33

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

Compare Nikon D3100 vs Pentax K-r

Panasonic GF7
Pentax K-r
  • $590
  • 4/3
  • Less expensive
  • Focus peaking
  • $850
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Panasonic GF7 vs Pentax K-r

Compared to Panasonic GM5

Nikon D3100
Panasonic GM5
  • $700
  • APS-C
  • Larger sensor
  • Less expensive
  • $898
  • 4/3
  • Focus peaking
  • Touchscreen

Compare Nikon D3100 vs Panasonic GM5

Panasonic GF7
Panasonic GM5
  • $590
  • 4/3
  • Less expensive
  • Tiltable Screen
  • $898
  • 4/3
  • Eye-level viewfinder
  • Hot shoe

Compare Panasonic GF7 vs Panasonic GM5

Compared to Panasonic GX850

Nikon D3100
Panasonic GX850
  • $700
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $548
  • 4/3
  • Less expensive
  • Focus peaking

Compare Nikon D3100 vs Panasonic GX850

Panasonic GF7
Panasonic GX850
  • $590
  • 4/3
  • Fast startup
  • Has anti-aliasing filter
  • $548
  • 4/3
  • Shoot 4K video
  • Lacks anti-aliasing filter

Compare Panasonic GF7 vs Panasonic GX850

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