Pentax XG-1 vs Sony A7 III

Its time to take a more detailed look at the Pentax XG-1 and Sony A7 III, former being a Small Sensor Superzoom while the other is a Pro Mirrorless by companies Pentax and Sony. There is a considerable difference between the sensor resolutions of the XG-1 (16MP) and A7 III (24MP) and the XG-1 (1/2.3") and A7 III (Full frame) have totally different sensor dimensions.

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The XG-1 was launched 4 years before the A7 III and that is quite a large difference as far as tech is concerned. Each of these cameras have different body design with the Pentax XG-1 being a SLR-like (bridge) camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving straight to a full comparison, here is a short highlight of how the XG-1 matches up against the A7 III with regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Pentax XG-1 & Sony Alpha A7 III. The complete galleries are viewable at Pentax XG-1 Gallery & Sony A7 III Gallery.

When you are planning to lug around your camera, you'll need to factor its weight and volume. The Pentax XG-1 offers physical dimensions of 119mm x 89mm x 98mm (4.7" x 3.5" x 3.9") along with a weight of 567 grams (1.25 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Take a look at the Pentax XG-1 and Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary depending on the lens you are using during that time. Following is a front view sizing comparison of the XG-1 and the A7 III.

Taking into account size and weight, the portability rating of the XG-1 and A7 III is 66 and 63 respectively.

Generally, its tough to envision the gap between sensor measurements only by going over specifications. The visual below might provide you a more clear sense of the sensor dimensions in the XG-1 and A7 III.

To sum up, both the cameras have different megapixels and different sensor measurements. The XG-1 due to its tinier sensor will make achieving shallow depth of field more difficult and the Sony A7 III will offer greater detail utilizing its extra 8 Megapixels. Greater resolution will also let you crop photos a bit more aggressively. The older XG-1 is going to be disadvantaged when it comes to sensor innovation.