Casio EX-H20G vs Sony A7R III

Below is a extensive overview of the Casio EX-H20G versus Sony A7R III, one being a Small Sensor Compact and the latter is a Pro Mirrorless by manufacturers Casio and Sony. There is a huge difference between the sensor resolutions of the EX-H20G (14MP) and A7R III (42MP) and the EX-H20G (1/2.3") and A7R III (Full frame) feature different sensor sizes.

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The EX-H20G was announced 8 years prior to the A7R III and that is quite a significant gap as far as tech is concerned. Each of the cameras come with different body type with the Casio EX-H20G being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving through a step-by-step comparison, below is a brief highlight of how the EX-H20G matches up vs the A7R III for portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Casio Exilim EX-H20G and Sony Alpha A7R III. The whole galleries are viewable at Casio EX-H20G Gallery and Sony A7R III Gallery.

For anyone who is planning to lug around your camera frequently, you are going to need to consider its weight and dimensions. The Casio EX-H20G enjoys external dimensions of 103mm x 68mm x 29mm (4.1" x 2.7" x 1.1") having a weight of 216 grams (0.48 lbs) while the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Take a look at the Casio EX-H20G versus Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at the time. Below is the front view size comparison of the EX-H20G against the A7R III.

Using size and weight, the portability grade of the EX-H20G and A7R III is 91 and 63 respectively.

Usually, it is very hard to imagine the gap between sensor measurements only by reviewing a spec sheet. The visual underneath might provide you a stronger sense of the sensor sizes in the EX-H20G and A7R III.

As you can see, the two cameras have got different megapixels and different sensor measurements. The EX-H20G having a tinier sensor is going to make achieving shallow depth of field tougher and the Sony A7R III will deliver extra detail with its extra 28MP. Higher resolution will enable you to crop photographs much more aggressively. The older EX-H20G is going to be disadvantaged when it comes to sensor tech.