Pentax RZ10 vs Sony A7 III

Here is a in depth overview of the Pentax RZ10 vs Sony A7 III, former being a Small Sensor Compact while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a noticeable gap among the resolutions of the RZ10 (14MP) and A7 III (24MP) and the RZ10 (1/2.3") and A7 III (Full frame) come with totally different sensor sizing.

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The RZ10 was unveiled 7 years prior to the A7 III and that is a fairly sizable difference as far as camera technology is concerned. Both of these cameras offer different body type with the Pentax RZ10 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go in to a comprehensive comparison, below is a quick summation of how the RZ10 scores versus the A7 III when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Pentax Optio RZ10 & Sony Alpha A7 III. The full galleries are viewable at Pentax RZ10 Gallery & Sony A7 III Gallery.

When you are aiming to carry your camera, you're going to have to factor its weight and dimensions. The Pentax RZ10 features outer dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs) whilst the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Take a look at the Pentax RZ10 vs Sony A7 III in our completely new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ based on the lens you choose at that moment. Below is the front view size comparison of the RZ10 versus the A7 III.

Factoring in dimensions and weight, the portability rating of the RZ10 and A7 III is 92 and 63 respectively.

More often than not, its difficult to envision the difference in sensor sizing only by checking out technical specs. The visual here will provide you a greater sense of the sensor dimensions in the RZ10 and A7 III.

As you can tell, both of the cameras offer different megapixel count and different sensor sizing. The RZ10 using its smaller sensor will make getting shallow depth of field more challenging and the Sony A7 III will provide extra detail having an extra 10MP. Greater resolution will let you crop images a little more aggressively. The older RZ10 will be disadvantaged in sensor tech.