Pentax W90 vs Sony QX1

Let's look more in depth at the Pentax W90 and Sony QX1, one is a Waterproof and the other is a Lens-style by manufacturers Pentax and Sony. There is a crucial difference among the sensor resolutions of the W90 (12MP) and QX1 (20MP) and the W90 (1/2.3") and QX1 (APS-C) offer totally different sensor measurements.

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The W90 was manufactured 5 years prior to the QX1 which is a fairly serious gap as far as camera tech is concerned. The two cameras have different body design with the Pentax W90 being a Compact camera and the Sony QX1 being a Lens-style camera.

Before we go into a step-by-step comparison, here is a simple view of how the W90 matches up vs the QX1 with regard to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Pentax Optio W90 and Sony Alpha QX1. The entire galleries are viewable at Pentax W90 Gallery and Sony QX1 Gallery.

For anyone who is aiming to carry around your camera often, you'll have to take into account its weight and volume. The Pentax W90 provides outside dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") along with a weight of 164 grams (0.36 lbs) whilst the Sony QX1 has sizing of 74mm x 70mm x 53mm (2.9" x 2.8" x 2.1") accompanied by a weight of 216 grams (0.48 lbs).

Compare the Pentax W90 and Sony QX1 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at the time. Here is a front view measurement comparison of the W90 against the QX1.

Taking into account size and weight, the portability grade of the W90 and QX1 is 94 and 90 respectively.

Generally, it is very hard to envision the difference in sensor sizes merely by going through specifications. The image underneath will offer you a much better sense of the sensor sizes in the W90 and QX1.

To sum up, each of the cameras have different resolutions and different sensor sizes. The W90 featuring a smaller sensor will make achieving shallow DOF harder and the Sony QX1 will show extra detail due to its extra 8MP. Greater resolution can also help you crop images a bit more aggressively. The more aged W90 will be behind with regard to sensor technology.