Pentax K-x vs Sony A450

In this write-up, we will be reviewing the Pentax K-x vs Sony A450, both Entry-Level DSLR digital cameras by competitors Pentax and Sony. The resolution of the K-x (12MP) and the A450 (14MP) is pretty well matched and they use the same exact sensor size (APS-C).

Photography Glossary

The K-x was manufactured within a month of the A450 so they are both of a similar age. Each of these cameras offer the identical body type (Compact SLR).

Before getting straight into a thorough comparison, below is a short introduction of how the K-x matches up vs the A450 when it comes to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax K-x & Sony Alpha DSLR-A450. The entire galleries are provided at Pentax K-x Gallery & Sony A450 Gallery.

In case you're planning to carry your camera, you'll need to factor its weight and size. The Pentax K-x comes with external dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) whilst the Sony A450 has specifications of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") and a weight of 560 grams (1.23 lbs).

Analyze the Pentax K-x vs Sony A450 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you have chosen at the time. Following is the front view over all size comparison of the K-x against the A450.

Looking at size and weight, the portability score of the K-x and A450 is 69 and 65 respectively.

Usually, it is very tough to picture the contrast between sensor sizing simply by looking at specs. The photograph here will help provide you a stronger sense of the sensor dimensions in the K-x and A450.

As you can plainly see, both of the cameras enjoy the same exact sensor sizing albeit different megapixels. You can expect the Sony A450 to resolve more detail due to its extra 2MP. Higher resolution can also make it easier to crop photographs far more aggressively.