Ricoh CX3 vs Sony A7R III

On this page, we are comparing the Ricoh CX3 versus Sony A7R III, one is a Small Sensor Superzoom and the other is a Pro Mirrorless by manufacturers Ricoh and Sony. There is a sizeable difference between the sensor resolutions of the CX3 (10MP) and A7R III (42MP) and the CX3 (1/2.3") and A7R III (Full frame) boast different sensor sizing.

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The CX3 was released 8 years earlier than the A7R III which is quite a large gap as far as tech is concerned. Both of the cameras have different body design with the Ricoh CX3 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going straight to a in depth comparison, here is a concise overview of how the CX3 grades against the A7R III with regard to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Ricoh CX3 and Sony Alpha A7R III. The complete galleries are available at Ricoh CX3 Gallery and Sony A7R III Gallery.

For anyone who is intending to travel with your camera often, you will need to take into account its weight and dimensions. The Ricoh CX3 has got physical dimensions of 102mm x 58mm x 29mm (4.0" x 2.3" x 1.1") along with a weight of 206 grams (0.45 lbs) and 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).

Check out the Ricoh CX3 versus Sony A7R III in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at the time. Here is a front view proportions comparison of the CX3 and the A7R III.

Considering size and weight, the portability rating of the CX3 and A7R III is 92 and 63 respectively.

Usually, its tough to visualize the gap between sensor dimensions just by looking at a spec sheet. The pic below will help provide you a clearer sense of the sensor dimensions in the CX3 and A7R III.

As you can see, each of the cameras provide different resolutions and different sensor dimensions. The CX3 featuring a tinier sensor is going to make achieving shallower depth of field more challenging and the Sony A7R III will give more detail as a result of its extra 32MP. Greater resolution will also allow you to crop images more aggressively. The more aged CX3 is going to be disadvantaged in sensor innovation.