Panasonic G100 vs Sony A580

Below, we are comparing the Panasonic G100 versus Sony A580, former being a Entry-Level Mirrorless while the other is a Entry-Level DSLR by manufacturers Panasonic and Sony. There exists a considerable gap between the resolutions of the G100 (20MP) and A580 (16MP) and the G100 (Four Thirds) and A580 (APS-C) come with totally different sensor dimensions.

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The G100 was unveiled 9 years later than the A580 and that is quite a large difference as far as technology is concerned. Both of the cameras come with different body type with the Panasonic G100 being a SLR-style mirrorless camera and the Sony A580 being a Compact SLR camera.

Before we go in to a complete comparison, below is a brief summation of how the G100 grades against the A580 with regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Panasonic Lumix DC-G100 & Sony Alpha DSLR-A580. The full galleries are provided at Panasonic G100 Gallery & Sony A580 Gallery.

For those who are aiming to lug around your camera, you will need to factor its weight and volume. The Panasonic G100 features physical measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") and a weight of 352 grams (0.78 lbs) and the Sony A580 has sizing of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 599 grams (1.32 lbs).

Compare the Panasonic G100 versus Sony A580 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you select at that time. Here is the front view proportions comparison of the G100 against the A580.

Taking into consideration dimensions and weight, the portability grade of the G100 and A580 is 81 and 64 respectively.

More often than not, it is difficult to see the difference between sensor measurements just by looking at technical specs. The photograph below might provide you a clearer sense of the sensor measurements in the G100 and A580.

As you have seen, each of the cameras posses different megapixel count and different sensor measurements. The G100 having a tinier sensor will make achieving shallow DOF trickier and the Panasonic G100 will give you extra detail having an extra 4 Megapixels. Greater resolution will also enable you to crop photos somewhat more aggressively. The newer G100 is going to have an advantage when it comes to sensor technology.