Sony A7S III vs Sony HX20V

Here is a in depth review of the Sony A7S III vs Sony HX20V, one being a Pro Mirrorless and the latter is a Small Sensor Superzoom and they are both built by Sony. There exists a sizeable gap among the image resolutions of the A7S III (12MP) and HX20V (18MP) and the A7S III (Full frame) and HX20V (1/2.3") come with totally different sensor sizes.

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The A7S III was unveiled 8 years later than the HX20V and that is a fairly large gap as far as camera technology is concerned. Each of the cameras come with different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony HX20V being a Compact camera.

Before going straight into a complete comparison, below is a short introduction of how the A7S III matches up vs the HX20V in terms of portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Sony Alpha A7S III and Sony Cyber-shot DSC-HX20V. The full galleries are provided at Sony A7S III Gallery and Sony HX20V Gallery.

If you are looking to carry your camera frequently, you'll have to factor its weight and measurements. The Sony A7S III features outside dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs) whilst the Sony HX20V has proportions of 107mm x 62mm x 35mm (4.2" x 2.4" x 1.4") having a weight of 254 grams (0.56 lbs).

Examine the Sony A7S III vs Sony HX20V in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you use during that time. Below is the front view measurements comparison of the A7S III and the HX20V.

Factoring in dimensions and weight, the portability rating of the A7S III and HX20V is 61 and 90 respectively.

Normally, it's tough to see the contrast in sensor sizing simply by checking out specs. The photograph below should give you a better sense of the sensor sizes in the A7S III and HX20V.

All in all, each of the cameras posses different megapixel count and different sensor sizing. The A7S III with its bigger sensor will make getting shallower depth of field less difficult and the Sony HX20V will provide more detail having an extra 6 Megapixels. Higher resolution will let you crop pictures somewhat more aggressively. The more recent A7S III will have an advantage with regard to sensor tech.