• 1/2.33 inch 28.2mm2
  • 12.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Nikon S640 advantages over Panasonic GM1

  • Less expensive
    $250 vs $750 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Thinner
    20 mm vs 30 mm
    Thinner

Panasonic GM1 advantages over Nikon S640

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1/2.33 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.77 vs 1.53 microns
    Better low-light and dynamic range (all else equal)
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • 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
    1037k 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
  • More pixels
    16.0 vs 12.0 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • 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
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Buy the Nikon S640

Your purchases support this site

Buy the Panasonic GM1
Kit with 12-32mm Lens
All GM1 Deals

Review Excerpt

  • Large Four Thirds sensor is impressive for a camera this small; Shares sensor and processor of GX7; Excellent image quality with class-leading high ISO performance; Responsive all-around performer; AF system is fast and accurate; Easy to use and responsive touchscreen; Built-in Wi-Fi with remote control and sharing features; Lightweight and pocketable design makes it easy to carry everywhere.

  • Can be awkward to use with larger lenses; Rear dial is easy to accidentally press; Lacks a hot-shoe for EVF or external flash; Weak built-in flash; 1/50s flash sync; No 1080p60 video; No external headphone jack or mic input.

  • Read our Panasonic GM1 Review

The Competition

Compared to Nikon S570

Nikon S640
Nikon S570
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $180
  • 1/2.3 inch
  • Less expensive

Compare Nikon S640 vs Nikon S570

Panasonic GM1
Nikon S570
  • $479
  • 4/3
  • Focus peaking
  • Larger sensor
  • $180
  • 1/2.3 inch
  • Less expensive
  • Thinner

Compare Panasonic GM1 vs Nikon S570

Compared to Nikon S5100

Nikon S640
Nikon S5100
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $149
  • 1/2.3 inch
  • Less expensive

Compare Nikon S640 vs Nikon S5100

Panasonic GM1
Nikon S5100
  • $479
  • 4/3
  • Focus peaking
  • Larger sensor
  • $149
  • 1/2.3 inch
  • Less expensive
  • Thinner

Compare Panasonic GM1 vs Nikon S5100

Compared to Sony DSC-W530

Nikon S640
Sony DSC-W530
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $150
  • 1/2.3 inch
  • Less expensive
  • More pixels

Compare Nikon S640 vs Sony DSC-W530

Panasonic GM1
Sony DSC-W530
  • $479
  • 4/3
  • Focus peaking
  • Larger sensor
  • $150
  • 1/2.3 inch
  • Less expensive
  • Thinner

Compare Panasonic GM1 vs Sony DSC-W530

Compared to Panasonic GM5

Nikon S640
Panasonic GM5
  • $250
  • 1/2.33 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $898
  • 4/3
  • Focus peaking
  • Larger sensor

Compare Nikon S640 vs Panasonic GM5

Panasonic GM1
Panasonic GM5
  • $479
  • 4/3
  • Less expensive
  • Internal flash
  • $898
  • 4/3
  • Eye-level viewfinder
  • In-camera panoramas

Compare Panasonic GM1 vs Panasonic GM5

Compared to Panasonic GF7

Nikon S640
Panasonic GF7
  • $250
  • 1/2.33 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $590
  • 4/3
  • Focus peaking
  • Larger sensor

Compare Nikon S640 vs Panasonic GF7

Panasonic GM1
Panasonic GF7
  • $479
  • 4/3
  • $590
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Panasonic GM1 vs Panasonic GF7

Compare Other Cameras?