Panasonic G9 vs Sony A550

The following is a extended assessment of the Panasonic G9 and Sony A550, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by rivals Panasonic and Sony. There exists a big gap between the resolutions of the G9 (20MP) and A550 (14MP) and the G9 (Four Thirds) and A550 (APS-C) have totally different sensor size.

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The G9 was revealed 8 years after the A550 which is quite a big gap as far as technology is concerned. Both of these cameras have different body design with the Panasonic G9 being a SLR-style mirrorless camera and the Sony A550 being a Compact SLR camera.

Before going right into a in depth comparison, here is a brief highlight of how the G9 matches up vs the A550 in regards to portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Panasonic Lumix DC-G9 and Sony Alpha DSLR-A550. The full galleries are viewable at Panasonic G9 Gallery and Sony A550 Gallery.

When you are planning to travel with your camera often, you have to factor in its weight and size. The Panasonic G9 has got outer dimensions of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") and a weight of 658 grams (1.45 lbs) whilst the Sony A550 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") with a weight of 632 grams (1.39 lbs).

Analyze the Panasonic G9 and Sony A550 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you select at that time. The following is a front view over all size comparison of the G9 vs the A550.

Taking into consideration dimensions and weight, the portability rating of the G9 and A550 is 62 and 63 respectively.

Typically, it is tough to envision the gap between sensor dimensions just by reviewing technical specs. The pic below will help offer you a better sense of the sensor dimensions in the G9 and A550.

As you have seen, each of these cameras provide different megapixel count and different sensor dimensions. The G9 with its tinier sensor will make getting shallow depth of field harder and the Panasonic G9 will deliver extra detail because of its extra 6MP. Higher resolution will also allow you to crop pictures more aggressively. The newer G9 will have an advantage in sensor technology.