Panasonic G100 vs Sony A55

Here is a detailed comparison of the Panasonic G100 vs Sony A55, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by manufacturers Panasonic and Sony. There is a considerable difference among the sensor resolutions of the G100 (20MP) and A55 (16MP) and the G100 (Four Thirds) and A55 (APS-C) boast different sensor sizes.

Photography Glossary

The G100 was brought out 9 years later than the A55 and that is a fairly large difference as far as camera tech is concerned. Both the cameras feature different body design with the Panasonic G100 being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before diving right into a step-by-step comparison, here is a simple summation of how the G100 scores versus the A55 in terms of portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Panasonic Lumix DC-G100 & Sony SLT-A55. The entire galleries are viewable at Panasonic G100 Gallery & Sony A55 Gallery.

In case you're planning to carry your camera frequently, you'll have to think about its weight and size. The Panasonic G100 features outer dimensions of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") with a weight of 352 grams (0.78 lbs) whilst the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Check out the Panasonic G100 vs Sony A55 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you select during that time. Below is a front view dimensions comparison of the G100 against the A55.

Looking at size and weight, the portability score of the G100 and A55 is 81 and 67 respectively.

Oftentimes, its tough to visualize the difference in sensor sizing simply by going through technical specs. The visual underneath might provide you a stronger sense of the sensor sizes in the G100 and A55.

As you have seen, both of those cameras come with different resolutions and different sensor sizing. The G100 featuring a smaller sensor is going to make achieving bokeh harder and the Panasonic G100 will produce extra detail having its extra 4 Megapixels. Greater resolution will also help you crop pics a good deal more aggressively. The younger G100 provides an edge with regard to sensor tech.