Ricoh PX vs Sony A7S III

In this write-up, we are reviewing the Ricoh PX vs Sony A7S III, former is a Small Sensor Compact while the other is a Pro Mirrorless by companies Ricoh and Sony. There is a sizable difference between the sensor resolutions of the PX (16MP) and A7S III (12MP) and the PX (1/2.3") and A7S III (Full frame) come with different sensor size.

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The PX was announced 10 years earlier than the A7S III which is quite a significant difference as far as tech is concerned. Both of the cameras offer different body type with the Ricoh PX being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before getting in to a in depth comparison, below is a quick highlight of how the PX matches up versus the A7S III when considering portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Ricoh PX & Sony Alpha A7S III. The whole galleries are provided at Ricoh PX Gallery & Sony A7S III Gallery.

For those who are looking to carry around your camera, you will want to factor in its weight and measurements. The Ricoh PX comes with physical dimensions of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") along with a weight of 156 grams (0.34 lbs) while the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs).

Check out the Ricoh PX vs Sony A7S III in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you choose at that moment. The following is the front view over all size comparison of the PX vs the A7S III.

Using size and weight, the portability score of the PX and A7S III is 95 and 61 respectively.

Usually, its hard to picture the gap between sensor sizes purely by checking technical specs. The image here may offer you a more clear sense of the sensor sizes in the PX and A7S III.

As you can tell, the 2 cameras enjoy different megapixels and different sensor sizes. The PX using its tinier sensor is going to make shooting shallower DOF harder and the Ricoh PX will give you greater detail with its extra 4 Megapixels. Greater resolution will help you crop pics far more aggressively. The more aged PX is going to be behind when it comes to sensor innovation.