Panasonic GX9 vs Sony A99

Following is a extensive overview of the Panasonic GX9 vs Sony A99, former is a Advanced Mirrorless while the other is a Advanced DSLR by manufacturers Panasonic and Sony. The resolution of the GX9 (20MP) and the A99 (24MP) is very similar but the GX9 (Four Thirds) and A99 (Full frame) boast different sensor dimensions.

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The GX9 was revealed 5 years after the A99 which is quite a sizable difference as far as technology is concerned. Both of these cameras have different body design with the Panasonic GX9 being a Rangefinder-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.

Before going into a comprehensive comparison, here is a simple summation of how the GX9 grades vs the A99 when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Panasonic Lumix DC-GX9 & Sony SLT-A99. The full galleries are provided at Panasonic GX9 Gallery & Sony A99 Gallery.

If you are going to carry around your camera often, you'll need to factor in its weight and volume. The Panasonic GX9 comes with exterior dimensions of 124mm x 72mm x 47mm (4.9" x 2.8" x 1.9") and a weight of 407 grams (0.90 lbs) while the Sony A99 has sizing of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") along with a weight of 812 grams (1.79 lbs).

Contrast the Panasonic GX9 vs Sony A99 in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you have attached at that moment. Here is a front view physical size comparison of the GX9 compared to the A99.

Considering dimensions and weight, the portability grade of the GX9 and A99 is 82 and 57 respectively.

More often than not, it's tough to visualize the difference between sensor sizes merely by going over specifications. The pic below should give you a stronger sense of the sensor sizes in the GX9 and A99.

To sum up, both of these cameras provide different megapixel count and different sensor sizes. The GX9 using its tinier sensor is going to make achieving shallow DOF more difficult and the Sony A99 will offer you greater detail because of its extra 4 Megapixels. Greater resolution will allow you to crop images more aggressively. The newer GX9 should have an edge with regard to sensor technology.