Olympus E-M5 II vs Sony A7R IV

Here is a detailed review of the Olympus E-M5 II versus Sony A7R IV, one being a Advanced Mirrorless and the latter is a Pro Mirrorless by rivals Olympus and Sony. There exists a big gap between the image resolutions of the E-M5 II (16MP) and A7R IV (61MP) and the E-M5 II (Four Thirds) and A7R IV (Full frame) posses different sensor sizes.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The E-M5 II was manufactured 5 years prior to the A7R IV and that is quite a big gap as far as technology is concerned. Both of the cameras have the same body design (SLR-style mirrorless).

Before going into a full comparison, here is a quick overview of how the E-M5 II matches up versus the A7R IV in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M5 II and Sony Alpha A7R IV. The entire galleries are available at Olympus E-M5 II Gallery and Sony A7R IV Gallery.

When you are intending to carry your camera frequently, you have to factor its weight and dimensions. The Olympus E-M5 II offers outer measurements of 124mm x 85mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 469 grams (1.03 lbs) whilst the Sony A7R IV has dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Analyze the Olympus E-M5 II versus Sony A7R IV in the all new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at that moment. Below is a front view overall size comparison of the E-M5 II and the A7R IV.

Using dimensions and weight, the portability grade of the E-M5 II and A7R IV is 80 and 62 respectively.

Sometimes, it can be tough to imagine the contrast between sensor sizing simply by going over technical specs. The graphic here will give you a clearer sense of the sensor sizing in the E-M5 II and A7R IV.

As you have seen, both of those cameras have different megapixel count and different sensor sizing. The E-M5 II due to its tinier sensor is going to make shooting shallow DOF more challenging and the Sony A7R IV will deliver greater detail due to its extra 45 Megapixels. Higher resolution can also enable you to crop photographs a bit more aggressively. The older E-M5 II is going to be disadvantaged in sensor innovation.