Canon EOS 5D Mark III vs Canon EOS 6D

This is a full comparison between the cameras Canon EOS 5D Mark III and Canon EOS 6D. We compare them by looking at the categories you see below.

Canon EOS 5D Mark III

Canon EOS 6D

Manufacturing

These cameras are both manufactured by Canon.

These two camera models were both released 2012.

Camera	Released
Canon EOS 5D Mark III	2012
Canon EOS 6D	2012

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Canon Full Frame") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Since both cameras have a Full frame sensor there will be no crop factor.

Camera	Focal length, 50mm f/1.8 **
Canon EOS 5D Mark III	50 mm Full-frame sensor No crop factor/focal length multiplier
Canon EOS 6D	50 mm Full-frame sensor No crop factor/focal length multiplier

** 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 (Canon)

Resolution

Canon EOS 5D Mark III has a 22,3 MP (Megapixels) resolution while Canon EOS 6D has 20,2 MP. If we break down this in more detail this is the data behind the numbers:

Camera	Megapixels
Canon EOS 5D Mark III	22,3 MP 22118400 pixels 5760 x 3840
Canon EOS 6D	20,2 MP 19961856 pixels 5472 x 3648

Canon EOS 5D Mark III has a 11 % larger resolution than Canon EOS 6D. 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 25600.

Camera	ISO Range
Canon EOS 5D Mark III	100-25600
Canon EOS 6D	100-25600

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 Canon EOS 5D Mark III
Lens compatibility chart for Canon EOS 6D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 5D Mark III can shoot up to 6 pictures per seconds and Canon EOS 6D can shoot up to 4,5 pictures per seconds.

Camera	FPS (Frames per second)
Canon EOS 5D Mark III	6
Canon EOS 6D	4,5

Ability to record movies

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

In this case, both Canon EOS 5D Mark III and Canon EOS 6D 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.

Canon EOS 5D Mark III weighs 950 gr (equal to 2.09 lb) which is 23% heavier than Canon EOS 6D and its 770 gr (or 1.7 lb).

Camera	Weight
Canon EOS 5D Mark III	950 gr 2.09 lb
Canon EOS 6D	770 gr 1.7 lb