Leica M9-P vs Sony A7 IV

In this article, we will be matching up the Leica M9-P versus Sony A7 IV, both Pro Mirrorless cameras by competitors Leica and Sony. There exists a huge gap among the image resolutions of the M9-P (18MP) and A7 IV (33MP) but they use the same exact sensor sizes (Full frame).

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The M9-P was revealed 11 years before the A7 IV and that is a fairly significant gap as far as camera technology is concerned. Both of the cameras offer different body type with the Leica M9-P being a Rangefinder-style mirrorless camera and the Sony A7 IV being a SLR-style mirrorless camera.

Before delving straight into a complete comparison, below is a concise view of how the M9-P scores vs the A7 IV with regards to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Leica M9-P and Sony Alpha A7 IV. The full galleries are available at Leica M9-P Gallery and Sony A7 IV Gallery.

If you are planning to lug around your camera, you'll have to consider its weight and measurements. The Leica M9-P comes with outer dimensions of 139mm x 80mm x 37mm (5.5" x 3.1" x 1.5") having a weight of 600 grams (1.32 lbs) and the Sony A7 IV has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Look at the Leica M9-P versus Sony A7 IV in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at that time. Here is the front view proportions comparison of the M9-P compared to the A7 IV.

Looking at dimensions and weight, the portability score of the M9-P and A7 IV is 78 and 61 respectively.

Normally, it can be tough to see the gap in sensor measurements purely by seeing technical specs. The graphic underneath may give you a far better sense of the sensor dimensions in the M9-P and A7 IV.

As you have seen, both cameras offer the same exact sensor sizing albeit not the same MP. You should count on the Sony A7 IV to provide greater detail because of its extra 15MP. Higher resolution will allow you to crop shots a little more aggressively. The older M9-P will be behind when it comes to sensor tech.