Panasonic GM1 vs Sony A7R IV

On this page, we are reviewing the Panasonic GM1 versus Sony A7R IV, one being a Entry-Level Mirrorless and the other is a Pro Mirrorless by companies Panasonic and Sony. There is a crucial difference among the image resolutions of the GM1 (16MP) and A7R IV (61MP) and the GM1 (Four Thirds) and A7R IV (Full frame) boast totally different sensor dimensions.

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The GM1 was launched 6 years earlier than the A7R IV and that is a fairly serious gap as far as camera tech is concerned. Both of the cameras have different body design with the Panasonic GM1 being a Rangefinder-style mirrorless camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before delving into a in-depth comparison, here is a concise introduction of how the GM1 matches up versus the A7R IV with respect to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Panasonic Lumix DMC-GM1 and Sony Alpha A7R IV. The complete galleries are available at Panasonic GM1 Gallery and Sony A7R IV Gallery.

If you are aiming to carry your camera, you will have to factor its weight and proportions. The Panasonic GM1 has got exterior measurements of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") accompanied by a weight of 204 grams (0.45 lbs) whilst the Sony A7R IV has measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") along with a weight of 665 grams (1.47 lbs).

Compare the Panasonic GM1 versus Sony A7R IV in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that time. Here is a front view dimension comparison of the GM1 versus the A7R IV.

Using size and weight, the portability score of the GM1 and A7R IV is 93 and 62 respectively.

Generally, it's hard to visualise the difference in sensor sizing just by viewing specs. The photograph below may give you a clearer sense of the sensor measurements in the GM1 and A7R IV.

All in all, both of those cameras provide different megapixels and different sensor sizing. The GM1 due to its smaller sensor will make shooting shallow depth of field trickier and the Sony A7R IV will render greater detail utilizing its extra 45MP. Greater resolution can also help you crop pics more aggressively. The older GM1 will be disadvantaged with regard to sensor technology.