Sony a9 vs Nikon D7500

This is a full comparison between the cameras Sony a9 and Nikon D7500. We compare them by looking at the categories you see below.

Sony a9

Nikon D7500

Manufacturing

Sony a9 is manufacturered by Sony but Nikon D7500 is from Nikon. Both Sony and Nikon are well known brands though.

These two camera models were both released 2017.

Camera	Released
Sony a9	2017
Nikon D7500	2017

Type of camera

Sony a9 is a Mirrorless camera while Nikon D7500 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony a9 has a "Sony Full Frame"-sensor while Nikon D7500 has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera	Focal length, 50mm f/1.8 **
Sony a9	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D7500	75 mm Nikon DX sensor Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)
Camera selection can affect the focal length (Nikon)

Resolution

Sony a9 has a 24 MP (Megapixels) resolution while Nikon D7500 has 21 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a9	24 MP 24000000 pixels 6000 x 4000
Nikon D7500	21 MP 20668416 pixels 5568 x 3712

Sony a9 has a 16 % larger resolution than Nikon D7500. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Both of these cameras offer the exact same ISO range. They both have 100 to 51200.

Camera	ISO Range
Sony a9	100-51200
Nikon D7500	100-51200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a9
Lens compatibility chart for Nikon D7500

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a9 can shoot up to 20 pictures per seconds and Nikon D7500 can shoot up to 8 pictures per seconds.

Camera	FPS (Frames per second)
Sony a9	20
Nikon D7500	8

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a9 and Nikon D7500 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a9 weighs 673 gr (equal to 1.48 lb) which is 5% heavier than Nikon D7500 and its 640 gr (or 1.41 lb).

Camera	Weight
Sony a9	673 gr 1.48 lb
Nikon D7500	640 gr 1.41 lb