Pentax W90 vs Sony NEX-7

Here, we will be comparing the Pentax W90 and Sony NEX-7, former being a Waterproof while the latter is a Advanced Mirrorless by manufacturers Pentax and Sony. There is a large difference between the image resolutions of the W90 (12MP) and NEX-7 (24MP) and the W90 (1/2.3") and NEX-7 (APS-C) boast different sensor dimensions.

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The W90 was released 21 months before the NEX-7 which makes them a generation apart from each other. The two cameras feature different body design with the Pentax W90 being a Compact camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before getting into a comprehensive comparison, here is a quick view of how the W90 scores vs the NEX-7 for portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Pentax Optio W90 & Sony Alpha NEX-7. The complete galleries are viewable at Pentax W90 Gallery & Sony NEX-7 Gallery.

In case you're looking to carry your camera regularly, you will want to take into account its weight and dimensions. The Pentax W90 has outside dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs) while the Sony NEX-7 has dimensions of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") with a weight of 400 grams (0.88 lbs).

Check out the Pentax W90 and Sony NEX-7 in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are using at that moment. The following is a front view overall size comparison of the W90 versus the NEX-7.

Considering size and weight, the portability grade of the W90 and NEX-7 is 94 and 84 respectively.

Often, it is very difficult to visualize the gap between sensor sizing simply by going over a spec sheet. The graphic here will help offer you a stronger sense of the sensor sizes in the W90 and NEX-7.

As you can see, the two cameras come with different megapixel count and different sensor sizing. The W90 due to its tinier sensor is going to make getting shallow DOF more difficult and the Sony NEX-7 will offer more detail as a result of its extra 12MP. Higher resolution will help you crop photographs a good deal more aggressively. The older W90 is going to be behind in sensor innovation.