Pentax K-7 vs Sony W730

In this write-up, we will be contrasting the Pentax K-7 vs Sony W730, one being a Advanced DSLR and the latter is a Small Sensor Compact by rivals Pentax and Sony. The resolution of the K-7 (15MP) and the W730 (16MP) is pretty similar but the K-7 (APS-C) and W730 (1/2.3") enjoy totally different sensor sizes.

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The K-7 was manufactured 4 years prior to the W730 and that is quite a large gap as far as tech is concerned. The two cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony W730 being a Compact camera.

Before diving through a step-by-step comparison, below is a quick overview of how the K-7 scores against the W730 in relation to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax K-7 and Sony Cyber-shot DSC-W730. The entire galleries are available at Pentax K-7 Gallery and Sony W730 Gallery.

When you are looking to carry your camera, you have to take into account its weight and size. The Pentax K-7 enjoys physical dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs) while the Sony W730 has specifications of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") accompanied by a weight of 122 grams (0.27 lbs).

Look at the Pentax K-7 vs Sony W730 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you use during that time. Underneath is the front view proportions comparison of the K-7 versus the W730.

Taking into account size and weight, the portability rating of the K-7 and W730 is 60 and 96 respectively.

Oftentimes, it can be difficult to envision the gap between sensor sizing purely by going over a spec sheet. The graphic below should give you a clearer sense of the sensor sizes in the K-7 and W730.

As you can see, the 2 cameras enjoy different megapixel count and different sensor sizing. The K-7 because of its bigger sensor will make achieving shallower depth of field simpler and the Sony W730 will offer extra detail due to its extra 1 Megapixels. Higher resolution will also help you crop shots far more aggressively. The older K-7 is going to be disadvantaged in sensor tech.