Panasonic GX9 vs Sony A57

Below, we are reviewing the Panasonic GX9 vs Sony A57, former being a Advanced Mirrorless while the other is a Entry-Level DSLR by brands Panasonic and Sony. There exists a noticeable gap among the resolutions of the GX9 (20MP) and A57 (16MP) and the GX9 (Four Thirds) and A57 (APS-C) possess different sensor dimensions.

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The GX9 was revealed 5 years later than the A57 and that is a fairly sizable difference as far as camera technology is concerned. Each of the cameras come with different body type with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A57 being a Compact SLR camera.

Before getting straight into a comprehensive comparison, below is a quick overview of how the GX9 grades versus the A57 with regard to portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Panasonic Lumix DC-GX9 & Sony SLT-A57. The full galleries are viewable at Panasonic GX9 Gallery & Sony A57 Gallery.

When you are going to carry your camera regularly, you're going to have to consider its weight and proportions. The Panasonic GX9 provides exterior measurements of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") with a weight of 407 grams (0.90 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

Examine the Panasonic GX9 vs Sony A57 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you select at the time. Underneath is the front view proportions comparison of the GX9 and the A57.

Taking into consideration dimensions and weight, the portability grade of the GX9 and A57 is 82 and 64 respectively.

More often than not, it can be hard to picture the gap in sensor sizing simply by seeing a spec sheet. The visual here should provide you a greater sense of the sensor sizing in the GX9 and A57.

As you can see, each of the cameras have got different resolutions and different sensor sizing. The GX9 having a smaller sensor is going to make shooting shallower depth of field trickier and the Panasonic GX9 will produce extra detail because of its extra 4MP. Greater resolution will make it easier to crop pics much more aggressively. The more recent GX9 provides an edge when it comes to sensor technology.