Pentax K20D vs Sony RX100 VA

On this page, we are comparing the Pentax K20D and Sony RX100 VA, one is a Advanced DSLR and the other is a Large Sensor Compact by rivals Pentax and Sony. There exists a significant gap among the resolutions of the K20D (15MP) and RX100 VA (20MP) and the K20D (APS-C) and RX100 VA (1") have totally different sensor sizes.

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The K20D was released 11 years before the RX100 VA which is a fairly sizable gap as far as camera technology is concerned. Each of the cameras have different body design with the Pentax K20D being a Mid-size SLR camera and the Sony RX100 VA being a Large Sensor Compact camera.

Before we go into a thorough comparison, here is a short overview of how the K20D scores versus the RX100 VA for portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Pentax K20D and Sony Cyber-shot DSC-RX100 V(A). The complete galleries are available at Pentax K20D Gallery and Sony RX100 VA Gallery.

When you are going to travel with your camera frequently, you are going to need to consider its weight and size. The Pentax K20D provides physical measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) while the Sony RX100 VA has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 299 grams (0.66 lbs).

Contrast the Pentax K20D and Sony RX100 VA in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that moment. Underneath is a front view proportions comparison of the K20D and the RX100 VA.

Looking at dimensions and weight, the portability grade of the K20D and RX100 VA is 59 and 89 respectively.

More often than not, it is hard to see the contrast in sensor dimensions only by checking out technical specs. The image underneath should provide you a stronger sense of the sensor sizing in the K20D and RX100 VA.

As you can tell, each of these cameras have different resolutions and different sensor dimensions. The K20D featuring a larger sensor will make achieving shallower DOF simpler and the Sony RX100 VA will show more detail as a result of its extra 5MP. Greater resolution can also let you crop images a bit more aggressively. The more aged K20D will be disadvantaged with regard to sensor innovation.