Pentax X70 vs Sony TX55

On this page, we are reviewing the Pentax X70 and Sony TX55, former being a Small Sensor Superzoom while the other is a Ultracompact by competitors Pentax and Sony. There is a noticeable difference between the sensor resolutions of the X70 (12MP) and TX55 (16MP) but both cameras offer the same sensor sizing (1/2.3").

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The X70 was introduced 3 years prior to the TX55 and that is quite a sizable difference as far as tech is concerned. Both cameras have different body design with the Pentax X70 being a SLR-like (bridge) camera and the Sony TX55 being a Ultracompact camera.

Before going right into a complete comparison, here is a brief summation of how the X70 grades versus the TX55 in regards to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Pentax X70 & Sony Cyber-shot DSC-TX55. The whole galleries are available at Pentax X70 Gallery & Sony TX55 Gallery.

If you're planning to carry your camera frequently, you should factor in its weight and proportions. The Pentax X70 comes with outside dimensions of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") and a weight of 410 grams (0.90 lbs) and the Sony TX55 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).

Take a look at the Pentax X70 and Sony TX55 in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you are utilizing during that time. The following is a front view size comparison of the X70 compared to the TX55.

Using size and weight, the portability grade of the X70 and TX55 is 71 and 97 respectively.

In many cases, it is very hard to see the contrast between sensor sizing just by looking at a spec sheet. The photograph below might provide you a more clear sense of the sensor sizes in the X70 and TX55.

As you can see, each of these cameras have the same sensor dimensions but not the same MP. You can expect to see the Sony TX55 to give more detail using its extra 4MP. Greater resolution will also let you crop images a bit more aggressively. The older X70 is going to be behind in sensor tech.