• APS-C 337.5mm2
  • 20.2 megapixels
  • ISO 100 - 12,800
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Canon 70D advantages over Panasonic GX8

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.11 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.70 vs 1.2 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    926 vs 806 iso
    Take photos in low light with less noise
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 920 vs 340 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera

Panasonic GX8 advantages over Canon 70D

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Newer
    3 years vs 5 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.77x vs 0.59x
    Get a bigger view of the scene through the eye-level viewfinder
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    8.3 fps vs 6.7 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 65 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    7.9 fps vs 6.7 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    36 vs 14 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use an external screen 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

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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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Your purchases support this site

Buy the Canon 70D

Your purchases support this site

Buy the Panasonic GX8

Review Excerpt

  • Dual Pixel CMOS AF delivers full-time continuous autofocus (with phase detect at every pixel in framing area) for video and Live View still shooting; Full HD (1080p) video recording with pro-level features and quality; Improved resolution and good high ISO performance; Excellent Wi-Fi remote shooting with full exposure controls; 3-inch articulating LCD touchscreen.

  • Image quality only improved slightly over 60D; Dynamic range still lags behind competing models; May not feature enough upgrades to convince people to step up from 60D.

  • Highest resolution Micro Four Thirds camera yet; Great high ISO performance; Very fast autofocus; Fast burst mode with deep buffers; Impressive Dual I.S. system; Great 4K video.

  • No built-in flash; Slow buffer clearing; Below average battery life; Limited I.S. for 4K video.

The Competition

Compared to Nikon D7100

Canon 70D
Nikon D7100
  • $999
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $830
  • APS-C
  • Fast startup
  • Higher effective ISO
Panasonic GX8
Nikon D7100
  • $998
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $830
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M1

Canon 70D
Olympus E-M1
  • $999
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1112
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Panasonic GX8
Olympus E-M1
  • $998
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1112
  • 4/3
  • Fast startup
  • On-sensor phase detect

Compared to Pentax K-3

Canon 70D
Pentax K-3
  • $999
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Panasonic GX8
Pentax K-3
  • $998
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A77 II

Canon 70D
Sony A77 II
  • $999
  • APS-C
  • Lens selection
  • Less expensive
  • $1198
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Panasonic GX8
Sony A77 II
  • $998
  • 4/3
  • Lens selection
  • Less expensive
  • $1198
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Olympus E-M5 II

Canon 70D
Olympus E-M5 II
  • $999
  • APS-C
  • Larger sensor
  • On-sensor phase detect
  • $899
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
Panasonic GX8
Olympus E-M5 II
  • $998
  • 4/3
  • Shoot 4K video
  • In-camera panoramas
  • $899
  • 4/3
  • High resolution composite
  • Fast startup
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