Pentax E90 vs Sony W730

In this article, we are evaluating the Pentax E90 versus Sony W730, both Small Sensor Compact cameras by companies Pentax and Sony. There is a significant difference among the image resolutions of the E90 (10MP) and W730 (16MP) but they use the same exact sensor size (1/2.3").

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The E90 was released 3 years before the W730 and that is a fairly sizable gap as far as camera tech is concerned. The two cameras offer the identical body type (Compact).

Before getting through a in-depth comparison, below is a simple summary of how the E90 matches up vs the W730 with regard to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Pentax Optio E90 and Sony Cyber-shot DSC-W730. The complete galleries are available at Pentax E90 Gallery and Sony W730 Gallery.

If you're going to carry your camera regularly, you have to factor its weight and measurements. The Pentax E90 has got outside measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") and a weight of 145 grams (0.32 lbs) whilst the Sony W730 has proportions of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") along with a weight of 122 grams (0.27 lbs).

Check the Pentax E90 versus Sony W730 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at the time. Following is the front view sizing comparison of the E90 compared to the W730.

Looking at size and weight, the portability rating of the E90 and W730 is 94 and 96 respectively.

Often, it's hard to see the contrast in sensor sizing just by going through a spec sheet. The graphic underneath might provide you a better sense of the sensor sizing in the E90 and W730.

As you can see, each of these cameras enjoy the same exact sensor sizing but not the same megapixels. You should expect to see the Sony W730 to show more detail as a result of its extra 6MP. Greater resolution can also help you crop pics far more aggressively. The older E90 will be behind in sensor tech.