Pentax K-5 II vs Sony RX100 IV

Here is a extended review of the Pentax K-5 II and Sony RX100 IV, one being a Advanced DSLR and the latter is a Large Sensor Compact by manufacturers Pentax and Sony. The image resolution of the K-5 II (16MP) and the RX100 IV (20MP) is relatively well matched but the K-5 II (APS-C) and RX100 IV (1") feature totally different sensor measurements.

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The K-5 II was manufactured 24 months prior to the RX100 IV which makes the cameras a generation apart from each other. Both the cameras offer different body type with the Pentax K-5 II being a Mid-size SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before getting straight into a thorough comparison, below is a short synopsis of how the K-5 II matches up vs the RX100 IV when it comes to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax K-5 II and Sony Cyber-shot DSC-RX100 IV. The entire galleries are available at Pentax K-5 II Gallery and Sony RX100 IV Gallery.

For those who are looking to carry your camera regularly, you'll need to factor in its weight and proportions. The Pentax K-5 II has got outer dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 760 grams (1.68 lbs) whilst the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 298 grams (0.66 lbs).

Analyze the Pentax K-5 II and Sony RX100 IV in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at the time. The following is the front view size comparison of the K-5 II and the RX100 IV.

Considering size and weight, the portability rating of the K-5 II and RX100 IV is 60 and 89 respectively.

Often, it is difficult to see the difference between sensor sizing only by looking at technical specs. The visual below may give you a greater sense of the sensor dimensions in the K-5 II and RX100 IV.

As you have seen, the 2 cameras enjoy different resolutions and different sensor sizing. The K-5 II because of its bigger sensor will make shooting shallow depth of field less difficult and the Sony RX100 IV will resolve more detail due to its extra 4MP. Higher resolution will enable you to crop shots far more aggressively. The older K-5 II is going to be disadvantaged when it comes to sensor technology.