Pentax K-70 vs Sony A550

On this page, we are comparing the Pentax K-70 vs Sony A550, both Entry-Level DSLR digital cameras by manufacturers Pentax and Sony. There exists a significant gap between the sensor resolutions of the K-70 (24MP) and A550 (14MP) but both cameras have the same sensor size (APS-C).

Photography Glossary

The K-70 was manufactured 6 years later than the A550 and that is quite a sizable gap as far as technology is concerned. Both cameras have the same body design (Compact SLR).

Before we go straight to a thorough comparison, here is a brief summary of how the K-70 scores vs the A550 with respect to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Pentax K-70 and Sony Alpha DSLR-A550. The entire galleries are viewable at Pentax K-70 Gallery and Sony A550 Gallery.

For anyone who is aiming to lug around your camera frequently, you should think about its weight and measurements. The Pentax K-70 enjoys external measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 688 grams (1.52 lbs) and the Sony A550 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).

Check the Pentax K-70 vs Sony A550 in the new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached during that time. Below is a front view scale comparison of the K-70 against the A550.

Considering dimensions and weight, the portability grade of the K-70 and A550 is 62 and 63 respectively.

Quite often, its difficult to picture the difference between sensor measurements simply by reading through a spec sheet. The graphic underneath will help give you a more clear sense of the sensor measurements in the K-70 and A550.

As you can see, both of those cameras have the same sensor dimensions but different megapixels. You should expect to see the Pentax K-70 to give more detail due to its extra 10MP. Greater resolution will also make it easier to crop photos a bit more aggressively. The more recent K-70 should have an advantage in sensor technology.