Samsung ST30 vs Sony A7R IV

Following is a extensive review of the Samsung ST30 versus Sony A7R IV, one is a Ultracompact and the other is a Pro Mirrorless by rivals Samsung and Sony. There exists a big gap among the resolutions of the ST30 (10MP) and A7R IV (61MP) and the ST30 (1/3") and A7R IV (Full frame) boast different sensor sizing.

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The ST30 was revealed 9 years before the A7R IV which is a fairly big gap as far as camera technology is concerned. Both of these cameras have different body design with the Samsung ST30 being a Ultracompact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving straight to a more detailed comparison, here is a short summary of how the ST30 scores against the A7R IV when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Samsung ST30 and Sony Alpha A7R IV. The full galleries are viewable at Samsung ST30 Gallery and Sony A7R IV Gallery.

If you are going to carry around your camera often, you are going to need to factor its weight and volume. The Samsung ST30 offers external measurements of 82mm x 52mm x 17mm (3.2" x 2.0" x 0.7") accompanied by a weight of 87 grams (0.19 lbs) whilst the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs).

Take a look at the Samsung ST30 versus Sony A7R IV in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using at the time. The following is a front view dimensions comparison of the ST30 vs the A7R IV.

Taking into account dimensions and weight, the portability score of the ST30 and A7R IV is 98 and 62 respectively.

Quite often, it can be difficult to visualize the difference in sensor sizes merely by seeing technical specs. The picture underneath will give you a clearer sense of the sensor sizing in the ST30 and A7R IV.

As you have seen, both of those cameras provide different megapixels and different sensor sizes. The ST30 using its smaller sensor is going to make shooting bokeh trickier and the Sony A7R IV will provide greater detail because of its extra 51 Megapixels. Greater resolution will also allow you to crop images more aggressively. The more aged ST30 will be disadvantaged in sensor technology.