Pentax K-x vs Sony RX10

Here is a thorough assessment of the Pentax K-x and Sony RX10, one being a Entry-Level DSLR and the other is a Large Sensor Superzoom by companies Pentax and Sony. There is a sizeable difference between the image resolutions of the K-x (12MP) and RX10 (20MP) and the K-x (APS-C) and RX10 (1") offer totally different sensor sizes.

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The K-x was brought out 5 years before the RX10 and that is quite a large gap as far as tech is concerned. Both cameras feature different body design with the Pentax K-x being a Compact SLR camera and the Sony RX10 being a SLR-like (bridge) camera.

Before diving into a step-by-step comparison, here is a quick view of how the K-x matches up vs the RX10 for portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Pentax K-x and Sony Cyber-shot DSC-RX10. The entire galleries are provided at Pentax K-x Gallery and Sony RX10 Gallery.

When you are intending to carry your camera regularly, you'll have to consider its weight and proportions. The Pentax K-x has exterior dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) and the Sony RX10 has measurements of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") having a weight of 813 grams (1.79 lbs).

Take a look at the Pentax K-x and Sony RX10 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at the time. Following is a front view dimension comparison of the K-x and the RX10.

Factoring in size and weight, the portability score of the K-x and RX10 is 69 and 58 respectively.

In many cases, it is very tough to visualise the contrast between sensor sizing merely by reviewing specifications. The graphic here might offer you a stronger sense of the sensor dimensions in the K-x and RX10.

Plainly, the 2 cameras feature different resolutions and different sensor sizing. The K-x because of its larger sensor will make getting shallower depth of field simpler and the Sony RX10 will deliver extra detail having its extra 8 Megapixels. Greater resolution will allow you to crop images way more aggressively. The older K-x is going to be behind in sensor innovation.