Pentax 645Z vs Sony RX100 IV

The following is a thorough analysis of the Pentax 645Z vs Sony RX100 IV, one is a Pro DSLR and the latter is a Large Sensor Compact by companies Pentax and Sony. There is a big difference among the sensor resolutions of the 645Z (51MP) and RX100 IV (20MP) and the 645Z (Medium format) and RX100 IV (1") come with totally different sensor sizes.

Photography Glossary

The 645Z was manufactured 14 months prior to the RX100 IV which makes the cameras a generation away from each other. The two cameras come with different body type with the Pentax 645Z being a Large SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go through a step-by-step comparison, below is a simple introduction of how the 645Z grades against the RX100 IV in regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Pentax 645Z and Sony Cyber-shot DSC-RX100 IV. The entire galleries are viewable at Pentax 645Z Gallery and Sony RX100 IV Gallery.

For anybody who is planning to travel with your camera frequently, you're going to have to think about its weight and measurements. The Pentax 645Z has got physical measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) and the Sony RX100 IV has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 298 grams (0.66 lbs).

Check the Pentax 645Z vs Sony RX100 IV in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at that time. Underneath is the front view sizing comparison of the 645Z vs the RX100 IV.

Looking at size and weight, the portability rating of the 645Z and RX100 IV is 49 and 89 respectively.

Generally, it's hard to visualise the contrast in sensor dimensions purely by checking out specifications. The picture underneath will help provide you a much better sense of the sensor sizing in the 645Z and RX100 IV.

To sum up, the 2 cameras have got different megapixels and different sensor dimensions. The 645Z due to its bigger sensor will make shooting shallow DOF simpler and the Pentax 645Z will provide extra detail due to its extra 31 Megapixels. Higher resolution will also help you crop pictures much more aggressively. The more aged 645Z will be behind when it comes to sensor innovation.