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
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Boosted ISO (minimum)
Boosted ISO (maximum)
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
Flash range
External flash
Flash modes
Continuous drive
Self-timer
Metering modes
Exposure compensation
WB Bracketing
AE 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
Videography notes
Microphone
Speaker
Optics & Focus
Focal length (equiv.)
Optical zoom
Maximum aperture
Autofocus
Digital zoom
Manual focus
Normal focus range
Macro focus range
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 Sony Alpha a7R III maximum resolution of 7952 x 5304 pixels (42 megapixels) is better than the Canon PowerShot G9 X Mark II maximum resolution of 5472 x 3648 pixels (20 megapixels). The Sony Alpha a7R III has bigger sensor compared to the Canon PowerShot G9 X Mark II: Full frame (35.9 x 24 mm) versus 1 (13.2 x 8.8 mm). This is the most significant difference between these cameras as large sensor allows the camera owner to shoot photos of the better quality. The Sony Alpha a7R III offers a wider ISO range of 100-32000 in compare with 125-12800 ISO range of the Canon PowerShot G9 X Mark II. Such ISO numbers let the photographer to shoot better photos in low light situations. The Sony Alpha a7R III offers more presets of white balance - 10. This specification gives the camera owner more control over colour.
The Alpha a7R III has tilting display which will let the camera owner to shoot great selfie photos. The Sony Alpha a7R III display is better as it offers more screen dots 1,440,000 in compare to 1,040,000 dots of the Canon PowerShot G9 X Mark II screen. The higher dot count display is better for reviewing pictures on your camera.
The Canon PowerShot G9 X Mark II is produced with built-in flash. The Alpha a7R III supports external flash. It provides amazing control over the exposure and lighting of the object in low light or in bright light situations when you need to fill-flash. The Sony Alpha a7R III battery life is better than the Canon PowerShot G9 X Mark II battery life. According to CIPA standards the photographer will be able to make 650 shots with the Alpha a7R III and only 235 with the PowerShot G9 X Mark II. The PowerShot G9 X Mark II weighs 206g which is 451g lighter than the weight of the Alpha a7R III.
Considering the above-mentioned differences the Sony Alpha a7R III will become the best buy. Get the lowest price on Amazon.