Casio EX-H20G vs Sony A7S III

Lets look more closely at the Casio EX-H20G and Sony A7S III, one being a Small Sensor Compact and the other is a Pro Mirrorless by competitors Casio and Sony. The image resolution of the EX-H20G (14MP) and the A7S III (12MP) is fairly well matched but the EX-H20G (1/2.3") and A7S III (Full frame) have totally different sensor sizes.

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The EX-H20G was announced 10 years earlier than the A7S III and that is quite a significant gap as far as technology is concerned. The two cameras have different body design with the Casio EX-H20G being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving right into a in-depth comparison, here is a concise synopsis of how the EX-H20G scores vs the A7S III in the way of portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Casio Exilim EX-H20G and Sony Alpha A7S III. The whole galleries are provided at Casio EX-H20G Gallery and Sony A7S III Gallery.

If you're looking to carry your camera, you'll need to factor in its weight and size. The Casio EX-H20G features physical measurements of 103mm x 68mm x 29mm (4.1" x 2.7" x 1.1") accompanied by a weight of 216 grams (0.48 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs).

Contrast the Casio EX-H20G and Sony A7S III in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that moment. Following is a front view scale comparison of the EX-H20G vs the A7S III.

Taking into consideration dimensions and weight, the portability score of the EX-H20G and A7S III is 91 and 61 respectively.

Quite often, its difficult to envision the difference between sensor sizing simply by checking technical specs. The photograph here may provide you a more clear sense of the sensor measurements in the EX-H20G and A7S III.

As you can tell, both of these cameras provide different resolutions and different sensor sizing. The EX-H20G using its tinier sensor will make getting shallow depth of field harder and the Casio EX-H20G will give you more detail with its extra 2MP. Greater resolution will let you crop photos more aggressively. The older EX-H20G is going to be behind with regard to sensor innovation.