Sony a9 II vs Nikon D3400

This is a full comparison between the cameras Sony a9 II and Nikon D3400. We compare them by looking at the categories you see below.

Sony a9 II

Nikon D3400

Manufacturing

Sony a9 II is manufacturered by Sony but Nikon D3400 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a9 II were released 2019 and Nikon D3400 was released 2016. That is a 3 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera	Released
Sony a9 II	2019
Nikon D3400	2016

Type of camera

Sony a9 II is a Mirrorless camera while Nikon D3400 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony a9 II has a "Sony Full Frame"-sensor while Nikon D3400 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 II	50 mm Full-frame sensor No crop factor/focal length multiplier
Nikon D3400	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

Both these cameras have the exact same resolution. Sony a9 II has a 24 MP (Megapixels) resolution while Nikon D3400 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Sony a9 II	24 MP 24000000 pixels 6000 x 4000
Nikon D3400	24 MP 24000000 pixels 6000 x 4000

ISO range

Sony a9 II has a larger ISO-range than Nikon D3400. Sony a9 II has an ISO range that stretches from 100 to 51200 while Nikon D3400 has 100 to 25600.

Camera	ISO Range
Sony a9 II	100-51200
Nikon D3400	100-25600

Autofocus and lens compatibility

There is a big difference between these two cameras. Sony a9 II has a built-in autofocus motor but Nikon D3400 does not. If you want to be able to use autofocus on Nikon D3400 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a9 II
Lens compatibility chart for Nikon D3400

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a9 II can shoot up to 20 pictures per seconds and Nikon D3400 can shoot up to 5 pictures per seconds.

Camera	FPS (Frames per second)
Sony a9 II	20
Nikon D3400	5

Ability to record movies

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

In this case, both Sony a9 II and Nikon D3400 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 II weighs 678 gr (equal to 1.49 lb) which is 72% heavier than Nikon D3400 and its 395 gr (or 0.87 lb).

Camera	Weight
Sony a9 II	678 gr 1.49 lb
Nikon D3400	395 gr 0.87 lb