Pentax E90 vs Sony A550

Following is a thorough overview of the Pentax E90 versus Sony A550, one is a Small Sensor Compact and the other is a Entry-Level DSLR by competitors Pentax and Sony. There is a crucial difference between the image resolutions of the E90 (10MP) and A550 (14MP) and the E90 (1/2.3") and A550 (APS-C) feature totally different sensor size.

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The E90 was revealed 2 months after the A550 and they are of a similar generation. Each of these cameras offer different body type with the Pentax E90 being a Compact camera and the Sony A550 being a Compact SLR camera.

Before going through a more detailed comparison, below is a brief introduction of how the E90 scores vs the A550 when it comes to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Pentax Optio E90 and Sony Alpha DSLR-A550. The full galleries are viewable at Pentax E90 Gallery and Sony A550 Gallery.

If you are aiming to carry around your camera, you will have to think about its weight and measurements. The Pentax E90 has got outer measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs) and the Sony A550 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 632 grams (1.39 lbs).

Take a look at the Pentax E90 versus Sony A550 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that moment. Following is the front view proportions comparison of the E90 against the A550.

Taking into account size and weight, the portability grade of the E90 and A550 is 94 and 63 respectively.

In many cases, its difficult to see the difference between sensor sizes merely by going over a spec sheet. The image here will give you a far better sense of the sensor sizing in the E90 and A550.

Clearly, each of the cameras offer different resolutions and different sensor sizes. The E90 having a tinier sensor will make getting bokeh trickier and the Sony A550 will offer extra detail because of its extra 4MP. Greater resolution will also help you crop pics a little more aggressively.