Pentax P70 vs Sony TX30

The following is a comprehensive review of the Pentax P70 versus Sony TX30, both Ultracompact digital cameras by companies Pentax and Sony. There is a significant difference between the sensor resolutions of the P70 (12MP) and TX30 (18MP) but they possess the same exact sensor sizing (1/2.3").

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The P70 was introduced 5 years before the TX30 which is quite a sizable gap as far as tech is concerned. Each of these cameras offer the identical body type (Ultracompact).

Before delving in to a thorough comparison, below is a brief highlight of how the P70 grades vs the TX30 in relation to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Pentax Optio P70 and Sony Cyber-shot DSC-TX30. The whole galleries are viewable at Pentax P70 Gallery and Sony TX30 Gallery.

When you are going to travel with your camera, you're going to have to take into account its weight and proportions. The Pentax P70 offers outside dimensions of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) while the Sony TX30 has measurements of 96mm x 59mm x 15mm (3.8" x 2.3" x 0.6") and a weight of 141 grams (0.31 lbs).

Check out the Pentax P70 versus Sony TX30 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that time. Below is the front view sizing comparison of the P70 compared to the TX30.

Factoring in size and weight, the portability score of the P70 and TX30 is 95 and 96 respectively.

Usually, it's hard to visualize the contrast between sensor dimensions just by reading specifications. The picture underneath should give you a much better sense of the sensor sizes in the P70 and TX30.

Plainly, both of these cameras offer the same exact sensor sizing but different resolution. You should anticipate the Sony TX30 to offer greater detail using its extra 6 Megapixels. Greater resolution can also enable you to crop pics a little more aggressively. The more aged P70 is going to be disadvantaged in sensor tech.