Pentax X70 vs Sony RX100 IV

On this page, we will be evaluating the Pentax X70 and Sony RX100 IV, former is a Small Sensor Superzoom while the latter is a Large Sensor Compact by rivals Pentax and Sony. There is a substantial difference between the image resolutions of the X70 (12MP) and RX100 IV (20MP) and the X70 (1/2.3") and RX100 IV (1") have totally different sensor measurements.

Photography Glossary

The X70 was launched 7 years before the RX100 IV which is quite a big difference as far as tech is concerned. The two cameras have different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before diving right into a complete comparison, here is a quick highlight of how the X70 matches up versus the RX100 IV with regard to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Pentax X70 & Sony Cyber-shot DSC-RX100 IV. The complete galleries are provided at Pentax X70 Gallery & Sony RX100 IV Gallery.

For those who are planning to travel with your camera regularly, you should take into account its weight and volume. The Pentax X70 has physical measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") accompanied by a weight of 410 grams (0.90 lbs) and the Sony RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 298 grams (0.66 lbs).

Analyze the Pentax X70 and Sony RX100 IV in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you are working with at that moment. The following is a front view dimension comparison of the X70 versus the RX100 IV.

Using size and weight, the portability grade of the X70 and RX100 IV is 71 and 89 respectively.

In many cases, it is very difficult to see the gap between sensor dimensions simply by looking at specifications. The image here should provide you a greater sense of the sensor sizing in the X70 and RX100 IV.

Plainly, each of the cameras have different megapixel count and different sensor dimensions. The X70 because of its tinier sensor will make achieving bokeh harder and the Sony RX100 IV will give you greater detail utilizing its extra 8MP. Higher resolution can also allow you to crop photographs a bit more aggressively. The more aged X70 is going to be disadvantaged when it comes to sensor innovation.