Pentax K-x vs Sony A300

In this write-up, we are matching up the Pentax K-x and Sony A300, both Entry-Level DSLR digital cameras by companies Pentax and Sony. The image resolution of the K-x (12MP) and the A300 (10MP) is very well matched and they feature the same exact sensor size (APS-C).

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The K-x was announced 24 months after the A300 making the cameras a generation away from one another. The two cameras offer the identical body type (Compact SLR).

Before diving in to a more detailed comparison, below is a concise synopsis of how the K-x matches up against the A300 in regards to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-x and Sony Alpha DSLR-A300. The whole galleries are provided at Pentax K-x Gallery and Sony A300 Gallery.

For anybody who is planning to carry around your camera, you will have to factor in its weight and volume. The Pentax K-x has outside measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) while the Sony A300 has sizing of 131mm x 99mm x 75mm (5.2" x 3.9" x 3.0") having a weight of 632 grams (1.39 lbs).

Look at the Pentax K-x and Sony A300 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with during that time. Below is the front view physical size comparison of the K-x and the A300.

Factoring in dimensions and weight, the portability grade of the K-x and A300 is 69 and 64 respectively.

Normally, its tough to see the difference between sensor sizes purely by checking technical specs. The pic underneath will give you a greater sense of the sensor sizing in the K-x and A300.

As you have seen, both of these cameras offer the same exact sensor sizing but not the same MP. You should expect to see the Pentax K-x to give you greater detail with its extra 2 Megapixels. Greater resolution can also make it easier to crop images a little more aggressively. The more recent K-x will have an edge in sensor innovation.