Olympus E-P5 vs Sony A7 III

Lets look a bit more in depth at the Olympus E-P5 vs Sony A7 III, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by companies Olympus and Sony. There is a huge difference among the resolutions of the E-P5 (16MP) and A7 III (24MP) and the E-P5 (Four Thirds) and A7 III (Full frame) possess totally different sensor sizing.

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The E-P5 was introduced 5 years prior to the A7 III and that is a fairly significant gap as far as camera tech is concerned. Both cameras come with different body type with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving through a complete comparison, below is a quick synopsis of how the E-P5 scores against the A7 III when considering portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus PEN E-P5 and Sony Alpha A7 III. The whole galleries are available at Olympus E-P5 Gallery and Sony A7 III Gallery.

For those who are aiming to lug around your camera regularly, you'll need to factor its weight and proportions. The Olympus E-P5 enjoys exterior dimensions of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") and a weight of 420 grams (0.93 lbs) whilst the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Contrast the Olympus E-P5 vs Sony A7 III in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you choose at the time. Below is the front view size comparison of the E-P5 against the A7 III.

Factoring in size and weight, the portability score of the E-P5 and A7 III is 85 and 63 respectively.

Usually, it is hard to envision the gap in sensor measurements just by seeing specs. The graphic here may give you a much better sense of the sensor sizes in the E-P5 and A7 III.

All in all, the two cameras posses different megapixels and different sensor measurements. The E-P5 with its smaller sensor will make shooting shallow DOF trickier and the Sony A7 III will show greater detail using its extra 8MP. Higher resolution will also make it easier to crop pictures somewhat more aggressively. The older E-P5 will be disadvantaged with regard to sensor innovation.