Olympus E-M1X vs Sony A7 III

The following is a complete assessment of the Olympus E-M1X versus Sony A7 III, both Pro Mirrorless cameras by rivals Olympus and Sony. The image resolution of the E-M1X (20MP) and the A7 III (24MP) is very close but the E-M1X (Four Thirds) and A7 III (Full frame) possess different sensor sizes.

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The E-M1X was launched 12 months after the A7 III and they are of a similar generation. The two cameras come with the identical body type (SLR-style mirrorless).

Before delving straight into a thorough comparison, below is a brief introduction of how the E-M1X scores against the A7 III when considering portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus OM-D E-M1X and Sony Alpha A7 III. The complete galleries are viewable at Olympus E-M1X Gallery and Sony A7 III Gallery.

For anybody who is planning to travel with your camera regularly, you need to take into account its weight and proportions. The Olympus E-M1X features physical dimensions of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") having a weight of 997 grams (2.20 lbs) and the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Contrast the Olympus E-M1X versus Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you are employing at the time. Following is the front view size comparison of the E-M1X and the A7 III.

Considering dimensions and weight, the portability rating of the E-M1X and A7 III is 54 and 63 respectively.

Typically, it's hard to visualize the gap in sensor dimensions merely by looking through technical specs. The picture underneath will provide you a greater sense of the sensor sizes in the E-M1X and A7 III.

As you have seen, the 2 cameras posses different megapixels and different sensor dimensions. The E-M1X due to its smaller sensor is going to make achieving shallower depth of field tougher and the Sony A7 III will result in more detail utilizing its extra 4 Megapixels. Greater resolution can also let you crop images somewhat more aggressively. The younger E-M1X should have a benefit in sensor tech.