Pentax P70 vs Sony A7 III

Its time to look much closer at the Pentax P70 versus Sony A7 III, one is a Ultracompact and the other is a Pro Mirrorless by manufacturers Pentax and Sony. There is a huge difference between the resolutions of the P70 (12MP) and A7 III (24MP) and the P70 (1/2.3") and A7 III (Full frame) feature totally different sensor sizes.

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The P70 was manufactured 10 years prior to the A7 III which is quite a significant gap as far as tech is concerned. Each of these cameras come with different body type with the Pentax P70 being a Ultracompact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go straight into a in depth comparison, below is a concise overview of how the P70 matches up versus the A7 III with regard to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax Optio P70 and Sony Alpha A7 III. The entire galleries are available at Pentax P70 Gallery and Sony A7 III Gallery.

For those who are going to travel with your camera frequently, you will need to consider its weight and volume. The Pentax P70 comes with external measurements of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") and a weight of 155 grams (0.34 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Pentax P70 versus Sony A7 III in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you select at the time. Below is the front view measurements comparison of the P70 against the A7 III.

Considering size and weight, the portability grade of the P70 and A7 III is 95 and 63 respectively.

In many cases, its tough to envision the difference between sensor dimensions only by reviewing specs. The pic underneath might provide you a more clear sense of the sensor measurements in the P70 and A7 III.

As you can plainly see, each of the cameras have got different megapixel count and different sensor dimensions. The P70 due to its tinier sensor will make getting bokeh harder and the Sony A7 III will deliver extra detail due to its extra 12MP. Greater resolution will enable you to crop images much more aggressively. The more aged P70 is going to be disadvantaged when it comes to sensor technology.