Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Sensor photo detectors
Other resolutions
Image
ISO
Boosted ISO (minimum)
Boosted ISO (maximum)
White balance presets
Custom white balance
Image stabilization
Image stabilization notes
CIPA image stabilization rating
Uncompressed format
JPEG quality levels
Photography features
Minimum shutter speed
Maximum shutter speed
Aperture priority
Shutter priority
Manual exposure mode
Subject / scene modes
Built-in flash
External flash
Flash modes
Continuous drive
Self-timer
Metering modes
Exposure compensation
AE Bracketing
WB Bracketing
Maximum shutter speed (electronic)
Flash range
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Viewfinder resolution
Videography features
File Format
Microphone
Speaker
Resolutions
Videography notes
Optics & Focus
Autofocus
Digital zoom
Manual focus
Number of focus points
Lens mount
Focal length multiplier
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Connectivity
USB
HDMI
Microphone port
Headphone port
Wireless
Wireless notes
Remote control
Other features
Orientation sensor
Timelapse recording
GPS
Samples
Videos
Summary
The Alpha a7R III maximum resolution of 7952 x 5304 pixels (42 megapixels) is better in comparison with the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II) maximum resolution of 4592 x 3448 pixels (16 megapixels). The Alpha a7R III is produced with bigger sensor compared to the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II): Full frame (35.9 x 24 mm) versus Four Thirds (17.3 x 13 mm). It is the most significant specification of this model because large sensor allows the photographer to make pictures of the higher quality. The Alpha a7R III has a wider ISO range of 100-32000 in compare with 200-25600 ISO range of the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II). Such ISO numbers let the camera owner to make better pictures in low light conditions. The Alpha a7R III provides more number of white balance presets - 10. This specification gives the photographer more control over colour. The Alpha a7R III offers more focus points in compare with the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II): 425 vs 49. More focus points means more convenience when attempting to focus on objects that are not centred.
The Alpha a7R III display is better as it has more screen dots 1,440,000 in comparison to 1,040,000 dots of the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II) screen. The higher dot count display is better for reviewing pictures on your camera. The Alpha a7R III provides better slowest shutter speed - 60 seconds. The Alpha a7R III provides better fastest shutter speed - 1/8000 second.
The Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II) has built-in flash. The Alpha a7R III battery life is better than the Panasonic Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II) battery life. According to CIPA standards you will be able to make 650 photos with the Alpha a7R III and only 290 with the Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II). The Lumix DMC-GX85 (Lumix DMC-GX80 / Lumix DMC-GX7 Mark II) weighs 426g which is 231g lighter in comparison with the weight of the Alpha a7R III.
Considering the above-mentioned differences the Sony Alpha a7R III is the best buy. Check the list of the best offers on Amazon.