Samsung GX-20 vs Sony A7S III

Below is a in depth analysis of the Samsung GX-20 and Sony A7S III, one being a Advanced DSLR and the latter is a Pro Mirrorless by rivals Samsung and Sony. There is a huge difference among the sensor resolutions of the GX-20 (15MP) and A7S III (12MP) and the GX-20 (APS-C) and A7S III (Full frame) posses totally different sensor sizing.

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The GX-20 was introduced 13 years before the A7S III and that is a fairly significant gap as far as camera tech is concerned. Both of these cameras feature different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sony A7S III being a SLR-style mirrorless camera.

Before getting right into a thorough comparison, here is a simple introduction of how the GX-20 scores versus the A7S III with regards to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Samsung GX-20 and Sony Alpha A7S III. The whole galleries are provided at Samsung GX-20 Gallery and Sony A7S III Gallery.

When you are going to lug around your camera frequently, you have to take into account its weight and proportions. The Samsung GX-20 has got physical measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs) while the Sony A7S III has measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Compare the Samsung GX-20 and Sony A7S III in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Here is a front view measurement comparison of the GX-20 versus the A7S III.

Using size and weight, the portability rating of the GX-20 and A7S III is 58 and 61 respectively.

Oftentimes, it's hard to envision the difference in sensor measurements merely by researching specifications. The photograph here will help give you a better sense of the sensor measurements in the GX-20 and A7S III.

Plainly, the 2 cameras come with different resolutions and different sensor measurements. The GX-20 having a smaller sensor will make achieving shallower DOF more difficult and the Samsung GX-20 will render more detail using its extra 3MP. Higher resolution will enable you to crop shots a good deal more aggressively. The older GX-20 will be disadvantaged when it comes to sensor tech.