Samsung GX-20 vs Sony A7R IV

Below is a complete comparison of the Samsung GX-20 vs Sony A7R IV, one being a Advanced DSLR and the latter is a Pro Mirrorless by manufacturers Samsung and Sony. There is a crucial difference among the sensor resolutions of the GX-20 (15MP) and A7R IV (61MP) and the GX-20 (APS-C) and A7R IV (Full frame) provide different sensor size.

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The GX-20 was revealed 12 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 Samsung GX-20 being a Mid-size SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving into a more detailed comparison, here is a simple introduction of how the GX-20 matches up vs the A7R IV in the way of portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Samsung GX-20 and Sony Alpha A7R IV. The full galleries are provided at Samsung GX-20 Gallery and Sony A7R IV Gallery.

For anybody who is planning to lug around your camera, you are going to need to factor its weight and measurements. The Samsung GX-20 comes with outer measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) and the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Compare the Samsung GX-20 vs Sony A7R IV in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that moment. Below is a front view dimensions comparison of the GX-20 and the A7R IV.

Using size and weight, the portability grade of the GX-20 and A7R IV is 58 and 62 respectively.

Generally, it is very tough to imagine the contrast in sensor measurements just by researching a spec sheet. The visual here will help provide you a far better sense of the sensor measurements in the GX-20 and A7R IV.

As you can see, both of these cameras provide different resolutions and different sensor measurements. The GX-20 having a smaller sensor is going to make getting shallow DOF harder and the Sony A7R IV will result in greater detail because of its extra 46MP. Higher resolution will allow you to crop photographs more aggressively. The older GX-20 will be disadvantaged in sensor tech.