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
Image
ISO
Boosted ISO (minimum)
Boosted ISO (maximum)
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Image stabilization notes
CIPA image stabilization rating
Photography features
Minimum shutter speed
Maximum shutter speed
Aperture priority
Shutter priority
Manual exposure mode
Subject / scene modes
Built-in flash
External flash
Continuous drive
Self-timer
Metering modes
Exposure compensation
AE Bracketing
Flash modes
WB Bracketing
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
Optics & Focus
Autofocus
Manual focus
Number of focus points
Lens mount
Focal length multiplier
Digital zoom
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 highest resolution of 7952 x 5304 pixels (42 megapixels) is better in comparison with the EOS 6D Mark II maximum resolution of 6240 x 4160 pixels (26 megapixels). The Alpha a7R III offers more number of white balance presets - 10. It gives you more control over colour. The Alpha a7R III provides image stabilization which will help the photographer to capture blur-free pictures when using lenses with long focal lengths. The Alpha a7R III offers more focus points than the EOS 6D Mark II: 425 vs 45. More focus points means less risk of losing focus lock during following a moving object.
The Alpha a7R III screen is better as it offers more screen dots 1,440,000 in comparison to 1,040,000 dots of the EOS 6D Mark II display. The higher dot count screen is better for reviewing photos on your camera.
The EOS 6D Mark II battery life is better in compare to the Alpha a7R III battery life. According to CIPA standards the photographer will be able to take 1200 photos with the EOS 6D Mark II and only 650 with the Alpha a7R III. The Sony Alpha a7R III weighs 657g which is 108g less in comparison with the weight of the EOS 6D Mark II. The EOS 6D Mark II has built-in GPS. This feature can be convenient if the camera owner is a traveller, to be able to check the picture metadata and find out exactly where an image was taken.
The Alpha a7R III has 10 advantages and the EOS 6D Mark II only 3 so the Alpha a7R III is the best choice. Check the lowest price on Amazon.