Olympus E-M1 vs Sony A7R IV

Lets examine more in depth at the Olympus E-M1 vs Sony A7R IV, both Pro Mirrorless cameras by competitors Olympus and Sony. There is a large difference among the sensor resolutions of the E-M1 (16MP) and A7R IV (61MP) and the E-M1 (Four Thirds) and A7R IV (Full frame) use totally different sensor measurements.

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The E-M1 was launched 6 years earlier than the A7R IV which is a fairly serious difference as far as camera tech is concerned. Each of these cameras offer the identical body type (SLR-style mirrorless).

Before diving straight into a thorough comparison, below is a simple overview of how the E-M1 scores vs the A7R IV when it comes to portability, imaging, features and an overall score.

This is a preview of the gallery images for Olympus OM-D E-M1 & Sony Alpha A7R IV. The complete galleries are available at Olympus E-M1 Gallery & Sony A7R IV Gallery.

In case you're intending to carry around your camera often, you have to factor its weight and measurements. The Olympus E-M1 has got outer measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") and a weight of 497 grams (1.10 lbs) and the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") and a weight of 665 grams (1.47 lbs).

Check out the Olympus E-M1 vs Sony A7R IV in our completely new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ based on the lens you are working with at the time. The following is the front view dimension comparison of the E-M1 against the A7R IV.

Looking at size and weight, the portability grade of the E-M1 and A7R IV is 71 and 62 respectively.

In many cases, it is hard to envision the contrast in sensor sizes only by viewing specifications. The pic here may provide you a far better sense of the sensor measurements in the E-M1 and A7R IV.

To sum up, the 2 cameras offer different resolutions and different sensor sizes. The E-M1 due to its smaller sensor will make getting bokeh more challenging and the Sony A7R IV will result in extra detail utilizing its extra 45 Megapixels. Higher resolution can also let you crop photographs a little more aggressively. The more aged E-M1 will be behind in sensor innovation.