Pentax X90 vs Sony A77

Let's take a closer look at the Pentax X90 vs Sony A77, former is a Small Sensor Superzoom while the other is a Advanced DSLR by manufacturers Pentax and Sony. There exists a sizable gap between the image resolutions of the X90 (12MP) and A77 (24MP) and the X90 (1/2.3") and A77 (APS-C) boast different sensor sizes.

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The X90 was launched 15 months earlier than the A77 making them a generation away from one another. The two cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sony A77 being a Mid-size SLR camera.

Before going into a in-depth comparison, here is a simple summary of how the X90 matches up versus the A77 when it comes to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Pentax X90 & Sony SLT-A77. The complete galleries are available at Pentax X90 Gallery & Sony A77 Gallery.

If you're intending to carry around your camera frequently, you'll need to factor in its weight and measurements. The Pentax X90 enjoys physical measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") and a weight of 428 grams (0.94 lbs) and the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

See the Pentax X90 vs Sony A77 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you are utilizing at the time. Below is a front view scale comparison of the X90 and the A77.

Considering dimensions and weight, the portability score of the X90 and A77 is 69 and 59 respectively.

More often than not, it's tough to imagine the difference between sensor sizes simply by reading through specs. The picture below will offer you a better sense of the sensor sizing in the X90 and A77.

As you can plainly see, each of the cameras provide different megapixel count and different sensor sizes. The X90 due to its tinier sensor is going to make achieving shallow DOF harder and the Sony A77 will resolve extra detail utilizing its extra 12MP. Greater resolution will also make it easier to crop pics more aggressively. The more aged X90 is going to be disadvantaged when it comes to sensor tech.