Samsung GX-20 vs Panasonic GX7

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Larger sensor
APS-C vs 4/3
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 5.07 vs 3.77 microns
Better low-light and dynamic range (all else equal)
Top deck display
Yes vs No
Check settings with a screen on top of the camera

Focus peaking
Peaker vs Non-peaker
Your camera will highlight what's in focus
Less expensive
$1100 vs $1400 (MSRP)
Save money for lenses or accessories
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
Higher max flash sync
1/320 vs 1/180 sec
Reduce the effect of ambient light in flash shots
Newer
11 years vs 16 years old
Newer cameras often support more advanced features
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
Shoots 60p video
Yes vs No
A faster framerate can give you more editing options
Longer exposure
60 vs 30 sec
Long exposures for night shots
Faster shutter
1/8000 vs 1/4000 sec
Shoot wide open in bright light
Higher extended ISO
25600 vs 6400 ISO
Higher extended ISO can give more low-light flexibility

Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
Internal flash
Both provide
Useful in a pinch for fill flash
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
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
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

Buy the Panasonic GX7

Sharp retro design and solid build; High resolution, tiltable electronic viewfinder and LCD touchscreen monitor; Competitive still image quality; Very good video quality, recording Full HD at frame rates up to 60p; Fast autofocusing and all-around performance; Robust Wi-Fi and NFC capabilities, including remote shooting when paired with a smart device
Weak built-in flash; No external mic or headphone jack for video recording; Some poor results when shooting in Creative Panorama mode
Read our Panasonic GX7 Review