Panasonic G100 vs Sony A7 III

The following is a in-depth analysis of the Panasonic G100 versus Sony A7 III, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by competitors Panasonic and Sony. The resolution of the G100 (20MP) and the A7 III (24MP) is fairly well matched but the G100 (Four Thirds) and A7 III (Full frame) provide totally different sensor dimensions.

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The G100 was revealed 2 years after the A7 III which is quite a big gap as far as tech is concerned. Both of the cameras have the same body design (SLR-style mirrorless).

Before going into a in-depth comparison, here is a short summation of how the G100 scores versus the A7 III in regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Panasonic Lumix DC-G100 and Sony Alpha A7 III. The full galleries are viewable at Panasonic G100 Gallery and Sony A7 III Gallery.

If you're looking to travel with your camera regularly, you're going to have to factor its weight and measurements. The Panasonic G100 enjoys external measurements of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") having a weight of 352 grams (0.78 lbs) and the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Examine the Panasonic G100 versus Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. Below is a front view measurement comparison of the G100 versus the A7 III.

Factoring in size and weight, the portability rating of the G100 and A7 III is 81 and 63 respectively.

Usually, it's difficult to envision the difference between sensor dimensions only by looking at technical specs. The image underneath might provide you a far better sense of the sensor sizing in the G100 and A7 III.

As you have seen, each of the cameras have different megapixels and different sensor dimensions. The G100 using its tinier sensor will make getting shallower depth of field more difficult and the Sony A7 III will resolve greater detail because of its extra 4MP. Greater resolution can also let you crop images a bit more aggressively. The more modern G100 is going to have an edge when it comes to sensor innovation.