Pentax K-5 vs Sony RX1

Here, we will be looking at the Pentax K-5 and Sony RX1, one is a Advanced DSLR and the latter is a Large Sensor Compact by manufacturers Pentax and Sony. There is a crucial difference between the resolutions of the K-5 (16MP) and RX1 (24MP) and the K-5 (APS-C) and RX1 (Full frame) offer totally different sensor sizes.

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The K-5 was revealed 3 years earlier than the RX1 which is quite a serious gap as far as tech is concerned. Both of these cameras feature different body design with the Pentax K-5 being a Mid-size SLR camera and the Sony RX1 being a Large Sensor Compact camera.

Before going into a more detailed comparison, here is a concise synopsis of how the K-5 grades against the RX1 in regards to portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Pentax K-5 and Sony Cyber-shot DSC-RX1. The full galleries are available at Pentax K-5 Gallery and Sony RX1 Gallery.

In case you're planning to carry around your camera regularly, you'll have to factor in its weight and proportions. The Pentax K-5 offers exterior dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs) while the Sony RX1 has measurements of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") along with a weight of 482 grams (1.06 lbs).

Take a look at the Pentax K-5 and Sony RX1 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at that time. Underneath is a front view size comparison of the K-5 and the RX1.

Considering size and weight, the portability grade of the K-5 and RX1 is 60 and 79 respectively.

Oftentimes, it is very hard to envision the difference between sensor sizes simply by reading technical specs. The pic below might give you a much better sense of the sensor dimensions in the K-5 and RX1.

As you can tell, both of these cameras come with different megapixel count and different sensor sizes. The K-5 with its tinier sensor will make shooting bokeh tougher and the Sony RX1 will deliver greater detail because of its extra 8 Megapixels. Higher resolution will let you crop photographs a good deal more aggressively. The more aged K-5 is going to be disadvantaged with regard to sensor tech.