Pentax P70 vs Sony TX20

Lets take a closer look at the Pentax P70 vs Sony TX20, both Ultracompact cameras by brands Pentax and Sony. There is a sizable difference among the image resolutions of the P70 (12MP) and TX20 (16MP) but both cameras boast the identical sensor measurements (1/2.3").

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The P70 was revealed 4 years prior to the TX20 which is a fairly significant difference as far as camera tech is concerned. Both cameras feature the same body design (Ultracompact).

Before we go straight to a thorough comparison, here is a simple view of how the P70 scores against the TX20 in regards to portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Pentax Optio P70 & Sony Cyber-shot DSC-TX20. The full galleries are viewable at Pentax P70 Gallery & Sony TX20 Gallery.

If you are going to travel with your camera regularly, you will want to consider its weight and volume. The Pentax P70 provides external measurements of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") along with a weight of 155 grams (0.34 lbs) while the Sony TX20 has sizing of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") and a weight of 133 grams (0.29 lbs).

Compare the Pentax P70 vs Sony TX20 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you are employing at that time. The following is a front view proportions comparison of the P70 compared to the TX20.

Considering size and weight, the portability score of the P70 and TX20 is 95 and 96 respectively.

Oftentimes, it is difficult to envision the contrast in sensor dimensions only by seeing technical specs. The pic below should offer you a more clear sense of the sensor measurements in the P70 and TX20.

As you have seen, both the cameras come with the identical sensor size but not the same resolution. You can anticipate the Sony TX20 to show more detail because of its extra 4MP. Greater resolution will also make it easier to crop images a good deal more aggressively. The more aged P70 will be behind when it comes to sensor tech.