Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Other resolutions
Sensor photo detectors
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
Flash range
External flash
Flash modes
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
Microphone
Speaker
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
Remote control
Other features
Orientation sensor
GPS
GPS notes
Timelapse recording
Samples
Videos
Summary
The Canon EOS 5DS highest resolution of 8688 x 5792 pixels (51 megapixels) is better than the D750 highest resolution of 6016 x 4016 pixels (24 megapixels). The Canon EOS 5DS is equipped with bigger sensor compared to the D750: Full frame (36 x 24 mm) versus Full frame (35.9 x 24 mm). This is very important advantage of this model as large sensor lets you to produce pictures of the better quality. The Canon EOS 5DS has more number of focus points than the D750: 61 vs 51. More number of focus points means less risk of losing focus lock while tracking a moving object.
The D750 is equipped with tilting display which will let you to take high quality selfies. The D750 screen is better as it offers more number of screen dots 1,229,000 in compare to 1,040,000 dots of the Canon EOS 5DS screen. The higher dot count screen is better for reviewing images on your camera.
The D750 is produced with built-in flash. The D750 battery life is better than the Canon EOS 5DS battery life. In accordance with CIPA standards the photographer will be able to produce 1230 shots with the D750 and only 700 with the EOS 5DS. The D750 weighs 750g which is 180g lighter than the weight of the Canon EOS 5DS. The D750 can utilize optional accessory GPS devices. Recording GPS data can be convenient if you like to travel, to be able to check the image metadata and see exactly where an image was produced.
Considering the above differences the Nikon D750 will be the best buy. Get the list of the best offers on Amazon.