Canon 1D X III vs Sony A7 IV

In this article, we will be reviewing the Canon 1D X III and Sony A7 IV, one being a Pro DSLR and the latter is a Pro Mirrorless by competitors Canon and Sony. There is a sizeable difference among the image resolutions of the 1D X III (20MP) and A7 IV (33MP) but they use the same exact sensor sizes (Full frame).

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The 1D X III was revealed 21 months earlier than the A7 IV which makes the cameras a generation apart from each other. Both of the cameras offer different body type with the Canon 1D X III being a Large SLR camera and the Sony A7 IV being a SLR-style mirrorless camera.

Before getting in to a thorough comparison, below is a quick synopsis of how the 1D X III matches up against the A7 IV in terms of portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Canon EOS-1D X Mark III and Sony Alpha A7 IV. The full galleries are provided at Canon 1D X III Gallery and Sony A7 IV Gallery.

For anyone who is looking to lug around your camera, you will need to think about its weight and dimensions. The Canon 1D X III has got outside measurements of 158mm x 168mm x 83mm (6.2" x 6.6" x 3.3") and a weight of 1440 grams (3.17 lbs) whilst the Sony A7 IV has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).

Take a look at the Canon 1D X III and Sony A7 IV in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at that time. The following is the front view over all size comparison of the 1D X III compared to the A7 IV.

Taking into consideration size and weight, the portability rating of the 1D X III and A7 IV is 50 and 61 respectively.

Usually, it is very difficult to visualize the contrast in sensor measurements just by looking through technical specs. The graphic below will give you a stronger sense of the sensor measurements in the 1D X III and A7 IV.

As you can tell, both of the cameras offer the same exact sensor sizing albeit different megapixels. You should count on the Sony A7 IV to provide you with extra detail because of its extra 13MP. Higher resolution can also allow you to crop photographs a little more aggressively. The older 1D X III will be behind in sensor innovation.