Panasonic G3 vs Panasonic ZS20

Here is a thorough review of the Panasonic G3 and Panasonic ZS20, former being a Entry-Level Mirrorless while the latter is a Small Sensor Superzoom and both are offered by Panasonic. The sensor resolution of the G3 (16MP) and the ZS20 (14MP) is pretty comparable but the G3 (Four Thirds) and ZS20 (1/2.3") provide totally different sensor measurements.

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The G3 was introduced 9 months before the ZS20 and they are both of a similar age. Both cameras feature different body design with the Panasonic G3 being a SLR-style mirrorless camera and the Panasonic ZS20 being a Compact camera.

Before diving right into a full comparison, here is a simple summation of how the G3 grades vs the ZS20 when it comes to portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Panasonic Lumix DMC-G3 & Panasonic Lumix DMC-ZS20. The whole galleries are available at Panasonic G3 Gallery & Panasonic ZS20 Gallery.

In case you're going to carry your camera frequently, you should factor its weight and volume. The Panasonic G3 offers physical dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") accompanied by a weight of 336 grams (0.74 lbs) while the Panasonic ZS20 has sizing of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") and a weight of 206 grams (0.45 lbs).

Examine the Panasonic G3 and Panasonic ZS20 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ dependant on the lens you are employing at that moment. Here is a front view size comparison of the G3 compared to the ZS20.

Looking at size and weight, the portability score of the G3 and ZS20 is 83 and 92 respectively.

Usually, it is very tough to see the difference in sensor sizing merely by going through specifications. The photograph underneath should give you a stronger sense of the sensor sizes in the G3 and ZS20.

To sum up, each of these cameras come with different megapixel count and different sensor sizing. The G3 using its bigger sensor will make achieving shallow DOF easier and the Panasonic G3 will provide greater detail using its extra 2 Megapixels. Higher resolution will help you crop pictures a good deal more aggressively. The older G3 will be disadvantaged with regard to sensor technology.