Panasonic GM1 vs Sony FX3

In this write-up, we are evaluating the Panasonic GM1 versus Sony FX3, one being a Entry-Level Mirrorless and the other is a Pro Mirrorless by rivals Panasonic and Sony. There is a significant difference between the resolutions of the GM1 (16MP) and FX3 (12MP) and the GM1 (Four Thirds) and FX3 (Full frame) feature different sensor sizes.

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The GM1 was brought out 8 years prior to the FX3 and that is quite a sizable gap as far as tech is concerned. Each of the cameras offer the identical body type (Rangefinder-style mirrorless).

Before delving through a step-by-step comparison, below is a short summary of how the GM1 scores vs the FX3 with respect to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Panasonic Lumix DMC-GM1 and Sony FX3. The entire galleries are available at Panasonic GM1 Gallery and Sony FX3 Gallery.

When you are looking to carry your camera, you will need to factor its weight and measurements. The Panasonic GM1 provides external dimensions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") accompanied by a weight of 204 grams (0.45 lbs) and the Sony FX3 has proportions of 130mm x 78mm x 85mm (5.1" x 3.1" x 3.3") along with a weight of 716 grams (1.58 lbs).

Compare the Panasonic GM1 versus Sony FX3 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached at that time. The following is the front view measurement comparison of the GM1 against the FX3.

Considering size and weight, the portability rating of the GM1 and FX3 is 93 and 62 respectively.

In many cases, its hard to imagine the contrast between sensor sizing simply by reading through a spec sheet. The visual underneath may give you a far better sense of the sensor dimensions in the GM1 and FX3.

Clearly, each of the cameras offer different megapixel count and different sensor sizing. The GM1 because of its tinier sensor is going to make getting bokeh more challenging and the Panasonic GM1 will give extra detail having its extra 4 Megapixels. Greater resolution will also make it easier to crop pics a little more aggressively. The older GM1 is going to be disadvantaged when it comes to sensor technology.