Pentax X70 vs Sony A550

On this page, we are contrasting the Pentax X70 versus Sony A550, former being a Small Sensor Superzoom while the other is a Entry-Level DSLR by brands Pentax and Sony. The sensor resolution of the X70 (12MP) and the A550 (14MP) is very well matched but the X70 (1/2.3") and A550 (APS-C) provide different sensor sizing.

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The X70 was introduced 9 months before the A550 which means that they are both of a similar age. Both of the cameras have different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sony A550 being a Compact SLR camera.

Before going straight to a in depth comparison, here is a simple introduction of how the X70 matches up against the A550 in regards to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Pentax X70 & Sony Alpha DSLR-A550. The whole galleries are available at Pentax X70 Gallery & Sony A550 Gallery.

In case you're aiming to carry your camera often, you'll need to think about its weight and size. The Pentax X70 provides outside measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") and a weight of 410 grams (0.90 lbs) whilst the Sony A550 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") along with a weight of 632 grams (1.39 lbs).

Look at the Pentax X70 versus Sony A550 in our brand new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you have at that time. Here is a front view size comparison of the X70 against the A550.

Taking into account size and weight, the portability grade of the X70 and A550 is 71 and 63 respectively.

Often, its difficult to visualize the gap between sensor sizing only by looking at a spec sheet. The photograph underneath may provide you a more clear sense of the sensor sizing in the X70 and A550.

As you can see, each of the cameras provide different resolutions and different sensor sizing. The X70 using its tinier sensor is going to make getting shallow DOF tougher and the Sony A550 will give extra detail using its extra 2 Megapixels. Greater resolution will also make it easier to crop photos more aggressively. The older X70 is going to be disadvantaged when it comes to sensor technology.