Olympus E-M1X vs Sony A99

Below, we are evaluating the Olympus E-M1X versus Sony A99, one is a Pro Mirrorless and the other is a Advanced DSLR by brands Olympus and Sony. The image resolution of the E-M1X (20MP) and the A99 (24MP) is fairly close but the E-M1X (Four Thirds) and A99 (Full frame) use different sensor measurements.

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The E-M1X was launched 6 years after the A99 which is a fairly serious gap as far as camera tech is concerned. Both cameras come with different body type with the Olympus E-M1X being a SLR-style mirrorless camera and the Sony A99 being a Mid-size SLR camera.

Before getting straight into a comprehensive comparison, below is a quick summation of how the E-M1X grades versus the A99 in terms of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus OM-D E-M1X and Sony SLT-A99. The complete galleries are viewable at Olympus E-M1X Gallery and Sony A99 Gallery.

For those who are planning to travel with your camera, you'll need to think about its weight and size. The Olympus E-M1X has got exterior measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") and a weight of 997 grams (2.20 lbs) and the Sony A99 has specifications of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

Compare the Olympus E-M1X versus Sony A99 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached during that time. Following is the front view measurements comparison of the E-M1X and the A99.

Taking into consideration size and weight, the portability score of the E-M1X and A99 is 54 and 57 respectively.

Oftentimes, it's difficult to picture the gap in sensor dimensions just by looking through specs. The image here might provide you a far better sense of the sensor sizing in the E-M1X and A99.

As you can plainly see, both of those cameras have got different resolutions and different sensor dimensions. The E-M1X featuring a smaller sensor is going to make shooting shallower depth of field tougher and the Sony A99 will result in more detail utilizing its extra 4MP. Greater resolution will also help you crop photos much more aggressively. The younger E-M1X should have an edge in sensor innovation.