Olympus E-M10 vs Sony A7R IV

The following is a extensive comparison of the Olympus E-M10 versus Sony A7R IV, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by companies Olympus and Sony. There is a sizeable difference between the resolutions of the E-M10 (16MP) and A7R IV (61MP) and the E-M10 (Four Thirds) and A7R IV (Full frame) enjoy different sensor sizing.

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The E-M10 was brought out 6 years prior to the A7R IV which is quite a large gap as far as tech is concerned. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before we go through a comprehensive comparison, below is a brief highlight of how the E-M10 scores vs the A7R IV with regards to portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Olympus OM-D E-M10 and Sony Alpha A7R IV. The entire galleries are provided at Olympus E-M10 Gallery and Sony A7R IV Gallery.

In case you're looking to travel with your camera frequently, you'll need to factor its weight and size. The Olympus E-M10 comes with physical dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") having a weight of 396 grams (0.87 lbs) and the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

See the Olympus E-M10 versus Sony A7R IV in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that time. Below is the front view measurement comparison of the E-M10 compared to the A7R IV.

Taking into account size and weight, the portability grade of the E-M10 and A7R IV is 82 and 62 respectively.

In many cases, it's hard to visualize the gap between sensor dimensions just by checking specifications. The pic below will help provide you a more clear sense of the sensor sizes in the E-M10 and A7R IV.

Plainly, both cameras offer different megapixels and different sensor dimensions. The E-M10 featuring a tinier sensor is going to make getting bokeh tougher and the Sony A7R IV will give more detail having its extra 45 Megapixels. Higher resolution can also let you crop shots a little more aggressively. The more aged E-M10 is going to be disadvantaged with regard to sensor innovation.