Panasonic G3 vs Sony a5100

Below, we will be comparing the Panasonic G3 and Sony a5100, both Entry-Level Mirrorless digital cameras by rivals Panasonic and Sony. There exists a substantial gap between the sensor resolutions of the G3 (16MP) and a5100 (24MP) and the G3 (Four Thirds) and a5100 (APS-C) feature totally different sensor measurements.

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The G3 was revealed 4 years prior to the a5100 which is quite a big difference as far as technology is concerned. The two cameras come with different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before going straight into a in depth comparison, below is a simple synopsis of how the G3 matches up against the a5100 when considering portability, imaging, features and an overall mark.

Below is a preview of the gallery photos for Panasonic Lumix DMC-G3 & Sony Alpha a5100. The full galleries are provided at Panasonic G3 Gallery & Sony a5100 Gallery.

In case you're intending to travel with your camera regularly, you are going to need to factor its weight and measurements. The Panasonic G3 enjoys physical measurements of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") with a weight of 336 grams (0.74 lbs) and the Sony a5100 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") accompanied by a weight of 283 grams (0.62 lbs).

Examine the Panasonic G3 and Sony a5100 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you select at that moment. Here is the front view overall size comparison of the G3 compared to the a5100.

Considering dimensions and weight, the portability rating of the G3 and a5100 is 83 and 89 respectively.

Quite often, it can be difficult to envision the gap between sensor dimensions simply by checking specs. The picture below may offer you a clearer sense of the sensor sizing in the G3 and a5100.

All in all, the 2 cameras posses different resolutions and different sensor dimensions. The G3 using its tinier sensor will make getting shallower DOF tougher and the Sony a5100 will resolve more detail because of its extra 8 Megapixels. Higher resolution can also let you crop shots somewhat more aggressively. The more aged G3 is going to be behind with regard to sensor technology.