Panasonic G9 vs Sony A77

Its time to look a bit more in depth at the Panasonic G9 and Sony A77, former being a Pro Mirrorless while the latter is a Advanced DSLR by competitors Panasonic and Sony. The resolution of the G9 (20MP) and the A77 (24MP) is pretty close but the G9 (Four Thirds) and A77 (APS-C) offer totally different sensor dimensions.

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The G9 was unveiled 6 years later than the A77 and that is a fairly big difference as far as camera tech is concerned. Both of these cameras feature different body design with the Panasonic G9 being a SLR-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before going into a step-by-step comparison, here is a short view of how the G9 scores versus the A77 with regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DC-G9 & Sony SLT-A77. The full galleries are viewable at Panasonic G9 Gallery & Sony A77 Gallery.

For anyone who is going to lug around your camera, you need to take into account its weight and volume. The Panasonic G9 has external dimensions of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") accompanied by a weight of 658 grams (1.45 lbs) and the Sony A77 has sizing of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Analyze the Panasonic G9 and Sony A77 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you are working with at that time. The following is a front view measurements comparison of the G9 versus the A77.

Factoring in size and weight, the portability grade of the G9 and A77 is 62 and 59 respectively.

Usually, it can be hard to see the contrast in sensor measurements only by looking through specifications. The visual below might provide you a stronger sense of the sensor dimensions in the G9 and A77.

Plainly, the two cameras feature different megapixel count and different sensor measurements. The G9 with its smaller sensor will make achieving bokeh more challenging and the Sony A77 will result in more detail having an extra 4 Megapixels. Higher resolution can also let you crop photographs way more aggressively. The younger G9 is going to have an edge when it comes to sensor tech.