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
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
Continuous drive
Self-timer
Metering modes
Exposure compensation
AE Bracketing
WB Bracketing
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Videography features
Resolutions
File Format
Videography notes
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
Storage included
Connectivity
USB
HDMI
Microphone port
Headphone port
Wireless
Wireless notes
Remote control
Other features
Orientation sensor
GPS
Timelapse recording
GPS notes
Samples
Videos
Summary
The Canon EOS 5D Mark IV highest resolution of 6720 x 4480 pixels (30 megapixels) is better in comparison with the EOS 5D Mark III highest resolution of 5760 x 3840 pixels (22 megapixels).
The Canon EOS 5D Mark IV screen is better as it has more screen dots 1,620,000 in comparison to 1,040,000 dots of the EOS 5D Mark III screen. The higher dot count screen is better for reviewing images on your camera. The EOS 5D Mark IV has a touch screen.
The EOS 5D Mark IV is equipped with built-in Wi-Fi which will help the camera owner to transfer pictures quick and easy. The EOS 5D Mark III battery life is better in compare to the Canon EOS 5D Mark IV battery life. According to CIPA standards the photographer will be able to capture 950 shots with the EOS 5D Mark III and only 900 with the EOS 5D Mark IV. The EOS 5D Mark IV weighs 890g that is 60g lighter in comparison with the weight of the EOS 5D Mark III. The EOS 5D Mark IV is produced with built-in GPS. Recording GPS data can be useful for the travel photographer, to be able to go into the picture metadata and see exactly where an image was captured.
Considering the above-mentioned differences the EOS 5D Mark IV becomes the best choice. Get the lowest price on Amazon.