Panasonic GX9 vs Sony A9

Below is a in depth analysis of the Panasonic GX9 and Sony A9, one being a Advanced Mirrorless and the latter is a Pro Mirrorless by companies Panasonic and Sony. The image resolution of the GX9 (20MP) and the A9 (24MP) is pretty comparable but the GX9 (Four Thirds) and A9 (Full frame) boast totally different sensor sizing.

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The GX9 was released 10 months later than the A9 so they are both of a similar generation. Both cameras have different body design with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A9 being a SLR-style mirrorless camera.

Before we go into a thorough comparison, here is a simple view of how the GX9 grades vs the A9 in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Panasonic Lumix DC-GX9 and Sony Alpha A9. The complete galleries are provided at Panasonic GX9 Gallery and Sony A9 Gallery.

If you're going to lug around your camera frequently, you will need to think about its weight and proportions. The Panasonic GX9 features exterior measurements of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") and a weight of 407 grams (0.90 lbs) and the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).

Contrast the Panasonic GX9 and Sony A9 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you select during that time. Following is a front view measurement comparison of the GX9 vs the A9.

Taking into account size and weight, the portability score of the GX9 and A9 is 82 and 65 respectively.

Often, it can be tough to see the contrast in sensor measurements simply by seeing specs. The visual here might provide you a clearer sense of the sensor sizing in the GX9 and A9.

As you can plainly see, both of the cameras have different megapixel count and different sensor measurements. The GX9 featuring a smaller sensor will make achieving shallower DOF more challenging and the Sony A9 will produce greater detail as a result of its extra 4 Megapixels. Higher resolution can also enable you to crop pictures a bit more aggressively. The fresher GX9 will have an advantage with regard to sensor innovation.