Olympus E-M1X vs Sony A7

In this article, we will be reviewing the Olympus E-M1X vs Sony A7, both Pro Mirrorless cameras by companies Olympus and Sony. The sensor resolution of the E-M1X (20MP) and the A7 (24MP) is pretty comparable but the E-M1X (Four Thirds) and A7 (Full frame) come with totally different sensor sizes.

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The E-M1X was manufactured 5 years later than the A7 and that is a fairly sizable gap as far as camera tech is concerned. Both of the cameras offer the identical body type (SLR-style mirrorless).

Before delving straight into a in depth comparison, below is a concise summary of how the E-M1X matches up vs the A7 with regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Olympus OM-D E-M1X and Sony Alpha A7. The entire galleries are available at Olympus E-M1X Gallery and Sony A7 Gallery.

If you are looking to lug around your camera regularly, you'll need to think about its weight and volume. The Olympus E-M1X provides outer measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") with a weight of 997 grams (2.20 lbs) whilst the Sony A7 has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 474 grams (1.04 lbs).

Take a look at the Olympus E-M1X vs Sony A7 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are employing at that time. Underneath is the front view scale comparison of the E-M1X compared to the A7.

Using size and weight, the portability rating of the E-M1X and A7 is 54 and 78 respectively.

Oftentimes, it's difficult to see the difference in sensor measurements only by seeing technical specs. The photograph here should offer you a far better sense of the sensor sizing in the E-M1X and A7.

As you can tell, the 2 cameras enjoy different megapixel count and different sensor measurements. The E-M1X featuring a smaller sensor will make achieving bokeh tougher and the Sony A7 will produce more detail due to its extra 4 Megapixels. Higher resolution will allow you to crop shots far more aggressively. The more recent E-M1X is going to have a benefit when it comes to sensor innovation.