Panasonic G9 vs Sony a1

Here is a in-depth assessment of the Panasonic G9 versus Sony a1, both Pro Mirrorless digital cameras by brands Panasonic and Sony. There exists a noticeable gap between the sensor resolutions of the G9 (20MP) and a1 (50MP) and the G9 (Four Thirds) and a1 (Full frame) offer totally different sensor dimensions.

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The G9 was unveiled 4 years before the a1 and that is quite a sizable difference as far as technology is concerned. Both of these cameras have the same body design (SLR-style mirrorless).

Before delving right into a more detailed comparison, here is a brief summation of how the G9 matches up against the a1 for portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Panasonic Lumix DC-G9 & Sony Alpha a1. The full galleries are viewable at Panasonic G9 Gallery & Sony a1 Gallery.

For anyone who is aiming to carry your camera, you'll have to factor in its weight and volume. The Panasonic G9 comes with exterior dimensions of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") with a weight of 658 grams (1.45 lbs) whilst the Sony a1 has sizing of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") and a weight of 737 grams (1.62 lbs).

See the Panasonic G9 versus Sony a1 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change based on the lens you are working with at that moment. Here is a front view dimension comparison of the G9 vs the a1.

Factoring in dimensions and weight, the portability grade of the G9 and a1 is 62 and 61 respectively.

Quite often, its hard to envision the difference between sensor sizing simply by going over a spec sheet. The graphic here might offer you a far better sense of the sensor dimensions in the G9 and a1.

Clearly, each of the cameras have different megapixels and different sensor sizing. The G9 with its tinier sensor will make shooting bokeh trickier and the Sony a1 will offer more detail having an extra 30 Megapixels. Higher resolution will also make it easier to crop photographs a bit more aggressively. The older G9 is going to be behind when it comes to sensor technology.