Olympus E-M10 II vs Sony A7R IV

Let's take a more detailed look at the Olympus E-M10 II and Sony A7R IV, former is a Entry-Level Mirrorless while the latter is a Pro Mirrorless by rivals Olympus and Sony. There is a considerable difference between the resolutions of the E-M10 II (16MP) and A7R IV (61MP) and the E-M10 II (Four Thirds) and A7R IV (Full frame) come with totally different sensor dimensions.

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The E-M10 II was announced 4 years before the A7R IV which is quite a large difference as far as tech is concerned. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before we go straight into a comprehensive comparison, below is a brief view of how the E-M10 II matches up versus the A7R IV with respect to portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Olympus OM-D E-M10 II & Sony Alpha A7R IV. The whole galleries are available at Olympus E-M10 II Gallery & Sony A7R IV Gallery.

When you are intending to travel with your camera frequently, you'll have to take into account its weight and volume. The Olympus E-M10 II comes with physical dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) while the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Examine the Olympus E-M10 II and Sony A7R IV in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have chosen during that time. Here is the front view overall size comparison of the E-M10 II and the A7R IV.

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

Generally, it is very tough to visualise the contrast between sensor dimensions merely by reading through specs. The picture below should offer you a more clear sense of the sensor sizes in the E-M10 II and A7R IV.

All in all, both the cameras enjoy different megapixel count and different sensor dimensions. The E-M10 II with its tinier sensor will make getting shallower depth of field more difficult and the Sony A7R IV will give greater detail with its extra 45MP. Higher resolution will also make it easier to crop photographs far more aggressively. The more aged E-M10 II is going to be behind when it comes to sensor innovation.