Panasonic GX9 vs Sony A6400

Here, we are contrasting the Panasonic GX9 and Sony A6400, both Advanced Mirrorless cameras by rivals Panasonic and Sony. The image resolution of the GX9 (20MP) and the A6400 (24MP) is fairly close but the GX9 (Four Thirds) and A6400 (APS-C) posses different sensor measurements.

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The GX9 was released 11 months before the A6400 which means that they are of a similar age. The two cameras feature the same body design (Rangefinder-style mirrorless).

Before delving straight to a more detailed comparison, here is a short summation of how the GX9 matches up against the A6400 in relation to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Panasonic Lumix DC-GX9 & Sony Alpha a6400. The complete galleries are provided at Panasonic GX9 Gallery & Sony A6400 Gallery.

When you are aiming to carry around your camera regularly, you're going to have to take into account its weight and measurements. The Panasonic GX9 provides external dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") along with a weight of 407 grams (0.90 lbs) and the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs).

See the Panasonic GX9 and Sony A6400 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you have chosen at that time. Below is a front view proportions comparison of the GX9 and the A6400.

Using dimensions and weight, the portability rating of the GX9 and A6400 is 82 and 83 respectively.

More often than not, it is difficult to imagine the gap in sensor sizes merely by looking through specs. The image underneath should offer you a stronger sense of the sensor dimensions in the GX9 and A6400.

All in all, the 2 cameras feature different megapixels and different sensor sizes. The GX9 because of its smaller sensor is going to make shooting shallow DOF more difficult and the Sony A6400 will result in more detail as a result of its extra 4MP. Greater resolution can also allow you to crop photos way more aggressively. The more aged GX9 will be behind in sensor technology.