Panasonic G9 vs Sony A9

Lets look a bit more closely at the Panasonic G9 and Sony A9, both Pro Mirrorless digital cameras by rivals Panasonic and Sony. The sensor resolution of the G9 (20MP) and the A9 (24MP) is pretty similar but the G9 (Four Thirds) and A9 (Full frame) offer different sensor sizing.

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The G9 was announced 7 months after the A9 which means that they are of a similar age. Each of the cameras feature the same body design (SLR-style mirrorless).

Before delving straight to a step-by-step comparison, here is a simple summary of how the G9 scores versus the A9 in regards to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Panasonic Lumix DC-G9 & Sony Alpha A9. The whole galleries are viewable at Panasonic G9 Gallery & Sony A9 Gallery.

For anyone who is intending to travel with your camera, you are going to need to think about its weight and size. The Panasonic G9 has external dimensions of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") along with a weight of 658 grams (1.45 lbs) whilst the Sony A9 has specifications of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).

Take a look at the Panasonic G9 and Sony A9 in our newest Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary based on the lens you are using at that time. Underneath is a front view measurement comparison of the G9 compared to the A9.

Taking into consideration size and weight, the portability score of the G9 and A9 is 62 and 65 respectively.

In many cases, it is very difficult to picture the difference between sensor dimensions purely by reading technical specs. The picture here will give you a more clear sense of the sensor dimensions in the G9 and A9.

As you can tell, both cameras come with different megapixels and different sensor dimensions. The G9 with its tinier sensor is going to make achieving shallow depth of field harder and the Sony A9 will offer greater detail with its extra 4 Megapixels. Higher resolution will also let you crop shots a good deal more aggressively. The fresher G9 provides an edge in sensor technology.