Pentax K-x vs Sony W730

In this write-up, we are contrasting the Pentax K-x versus Sony W730, one is a Entry-Level DSLR and the other is a Small Sensor Compact by brands Pentax and Sony. There exists a huge gap between the sensor resolutions of the K-x (12MP) and W730 (16MP) and the K-x (APS-C) and W730 (1/2.3") enjoy different sensor size.

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The K-x was manufactured 4 years before the W730 which is quite a significant gap as far as technology is concerned. Both of these cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony W730 being a Compact camera.

Before getting in to a comprehensive comparison, below is a simple summary of how the K-x scores against the W730 in regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Pentax K-x and Sony Cyber-shot DSC-W730. The entire galleries are viewable at Pentax K-x Gallery and Sony W730 Gallery.

If you're going to carry around your camera regularly, you're going to have to take into account its weight and dimensions. The Pentax K-x features exterior dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) and the Sony W730 has dimensions of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") with a weight of 122 grams (0.27 lbs).

Compare the Pentax K-x versus Sony W730 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilising at that time. Underneath is the front view overall size comparison of the K-x vs the W730.

Using dimensions and weight, the portability rating of the K-x and W730 is 69 and 96 respectively.

Normally, it's difficult to visualize the difference between sensor sizes merely by looking at specifications. The image here will help offer you a much better sense of the sensor dimensions in the K-x and W730.

To sum up, both of these cameras offer different resolutions and different sensor sizes. The K-x due to its larger sensor is going to make achieving shallower DOF less difficult and the Sony W730 will give you extra detail due to its extra 4MP. Greater resolution will also help you crop images a little more aggressively. The more aged K-x is going to be disadvantaged in sensor innovation.