• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 12,800
  • 1/1.7 inch 43.3mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)

Buy From

Differences

Panasonic GH3 advantages over Canon G15

  • Larger sensor
    4/3 vs 1/1.7 inch
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Bigger pixels
    ~ 3.75 vs 1.90 microns
    Better low-light and dynamic range (all else equal)
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~0.80 vs 2.2 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Better color depth
    22.7 vs 19.9 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    812 vs 165 iso
    Take photos in low light with less noise
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Less shutter lag
    0.21 vs 0.46 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    16.1 vs 12.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    Unlimited vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    5.1 fps vs 1.1 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon G15 advantages over Panasonic GH3

  • Less expensive
    $500 vs $1300 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Longer stills battery life
    More info 770 vs 540 shots
    Capture more photos
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    40 mm vs 82 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    350g vs 555g
    Lighter weight
  • Higher-res screen
    307k vs 205k pixels
    More detail on the screen lets you judge focus and composition
  • Faster JPEG shooting
    10.2 fps vs 6.1 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • Professional quality video in a compact body; Still image quality ranks with the best mirrorless models and even some prosumer DSLRs; Fast autofocus; Rugged, weatherized camera build; Reasonably priced for its advanced feature set; Large selection of high quality lenses.

  • Not as compact as most mirrorless cameras; Live View not available during high speed bursts; High ISO image quality and dynamic range not quite as good as top APS-C cameras.

  • Solid built and ergonomic, comfortable feel; Excellent f/1.8-2.8 5x optical zoom lens; Improved AF speed; Advanced photographic features, including PASM dial and RAW capture.

  • LCD screen no longer articulated; Optical viewfinder not very accurate and exhibits parallax; No WiFi or GPS.

The Competition

Compared to Panasonic G5

Panasonic GH3
Panasonic G5
  • $798
  • 4/3
  • Tilt-swivel screen
  • Fast startup
  • $500
  • 4/3
  • Higher-res screen
Canon G15
Panasonic G5
  • $650
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $500
  • 4/3
  • Larger sensor
  • Bigger pixels

Compared to Olympus XZ-2

Panasonic GH3
Olympus XZ-2
  • $798
  • 4/3
  • Larger sensor
  • Tilt-swivel screen
  • $470
  • 1/1.7 inch
  • Less expensive
  • In-Camera Image Stabilization
Canon G15
Olympus XZ-2
  • $650
  • 1/1.7 inch
  • Less expensive
  • Eye-level viewfinder
  • $470
  • 1/1.7 inch
  • Touchscreen
  • In-camera panoramas

Compared to Canon G16

Panasonic GH3
Canon G16
  • $798
  • 4/3
  • Tilt-swivel screen
  • Larger sensor
  • $499
  • 1/1.7 inch
  • Focus peaking
  • In-Camera Image Stabilization
Canon G15
Canon G16
  • $650
  • 1/1.7 inch
  • Shoots 24p video
  • Bigger JPEG buffer
  • $499
  • 1/1.7 inch
  • Focus peaking
  • Built-in Wi-Fi

Compared to Olympus E-M1

Panasonic GH3
Olympus E-M1
  • $798
  • 4/3
  • Tilt-swivel screen
  • Longer stills battery life
  • $1099
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Canon G15
Olympus E-M1
  • $650
  • 1/1.7 inch
  • Longer stills battery life
  • Internal flash
  • $1099
  • 4/3
  • Focus peaking
  • Larger sensor

Compared to Panasonic GH4

Panasonic GH3
Panasonic GH4
  • $798
  • 4/3
  • $899
  • 4/3
  • Focus peaking
  • Shoot 4K video
Canon G15
Panasonic GH4
  • $650
  • 1/1.7 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $899
  • 4/3
  • Focus peaking
  • Larger sensor
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