Pentax K-x vs Sony RX100 IV

Here is a in depth review of the Pentax K-x and Sony RX100 IV, former being a Entry-Level DSLR while the other is a Large Sensor Compact by companies Pentax and Sony. There is a large difference among the image resolutions of the K-x (12MP) and RX100 IV (20MP) and the K-x (APS-C) and RX100 IV (1") offer totally different sensor sizing.

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The K-x was revealed 6 years earlier than the RX100 IV and that is a fairly serious difference as far as camera tech is concerned. Each of the cameras feature different body design with the Pentax K-x being a Compact SLR camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go straight to a more detailed comparison, here is a concise introduction of how the K-x matches up versus the RX100 IV with regards to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Pentax K-x & Sony Cyber-shot DSC-RX100 IV. The full galleries are viewable at Pentax K-x Gallery & Sony RX100 IV Gallery.

For anyone who is looking to carry your camera frequently, you will have to consider its weight and volume. The Pentax K-x enjoys exterior dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Sony RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 298 grams (0.66 lbs).

Analyze the Pentax K-x and Sony RX100 IV in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change based on the lens you are utilising at that time. Following is a front view dimension comparison of the K-x and the RX100 IV.

Taking into consideration size and weight, the portability grade of the K-x and RX100 IV is 69 and 89 respectively.

Generally, it is very tough to see the gap in sensor sizing simply by seeing specifications. The photograph below should give you a stronger sense of the sensor dimensions in the K-x and RX100 IV.

To sum up, each of the cameras come with different megapixels and different sensor sizing. The K-x with its larger sensor will make getting shallow DOF less difficult and the Sony RX100 IV will produce extra detail because of its extra 8MP. Greater resolution will allow you to crop images a good deal more aggressively. The older K-x will be disadvantaged with regard to sensor innovation.