Pentax K-3 vs Sony RX100

Following is a in depth review of the Pentax K-3 versus Sony RX100, one is a Advanced DSLR and the other is a Large Sensor Compact by competitors Pentax and Sony. The resolution of the K-3 (24MP) and the RX100 (20MP) is very well matched but the K-3 (APS-C) and RX100 (1") have totally different sensor size.

Photography Glossary

The K-3 was announced 20 months after the RX100 making them a generation away from one another. Each of these cameras feature different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony RX100 being a Large Sensor Compact camera.

Before diving right into a complete comparison, here is a simple summary of how the K-3 matches up versus the RX100 when considering portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax K-3 and Sony Cyber-shot DSC-RX100. The whole galleries are viewable at Pentax K-3 Gallery and Sony RX100 Gallery.

If you are aiming to carry around your camera, you will have to take into account its weight and proportions. The Pentax K-3 offers exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Sony RX100 has measurements of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") along with a weight of 240 grams (0.53 lbs).

Compare the Pentax K-3 versus Sony RX100 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at the time. Underneath is a front view size comparison of the K-3 against the RX100.

Factoring in dimensions and weight, the portability grade of the K-3 and RX100 is 59 and 91 respectively.

More often than not, it's tough to see the difference between sensor sizes merely by looking at specifications. The pic here should provide you a better sense of the sensor dimensions in the K-3 and RX100.

Plainly, both of the cameras come with different megapixels and different sensor sizes. The K-3 with its larger sensor will make achieving shallow DOF less difficult and the Pentax K-3 will give you extra detail with its extra 4MP. Greater resolution will also help you crop pics a good deal more aggressively. The more recent K-3 will have a benefit when it comes to sensor tech.