Olympus E-M5 III vs Pentax P70

Below, we will be looking at the Olympus E-M5 III vs Pentax P70, one is a Advanced Mirrorless and the latter is a Ultracompact by rivals Olympus and Pentax. There is a sizeable difference between the image resolutions of the E-M5 III (20MP) and P70 (12MP) and the E-M5 III (Four Thirds) and P70 (1/2.3") possess totally different sensor dimensions.

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The E-M5 III was introduced 10 years after the P70 which is quite a large gap as far as tech is concerned. Both of these cameras come with different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Pentax P70 being a Ultracompact camera.

Before getting straight into a comprehensive comparison, below is a simple highlight of how the E-M5 III grades vs the P70 when considering portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus OM-D E-M5 III and Pentax Optio P70. The whole galleries are available at Olympus E-M5 III Gallery and Pentax P70 Gallery.

When you are intending to travel with your camera often, you will have to factor its weight and size. The Olympus E-M5 III comes with outside measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) while the Pentax P70 has specifications of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") and a weight of 155 grams (0.34 lbs).

Look at the Olympus E-M5 III vs Pentax P70 in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at the time. Here is the front view sizing comparison of the E-M5 III and the P70.

Using size and weight, the portability score of the E-M5 III and P70 is 80 and 95 respectively.

Generally, it can be difficult to visualise the contrast between sensor dimensions only by going over technical specs. The picture here may offer you a stronger sense of the sensor sizing in the E-M5 III and P70.

As you have seen, both of these cameras posses different megapixel count and different sensor dimensions. The E-M5 III with its bigger sensor will make getting bokeh easier and the Olympus E-M5 III will offer greater detail using its extra 8MP. Higher resolution will also allow you to crop photographs somewhat more aggressively. The newer E-M5 III is going to have an edge with regard to sensor innovation.