Olympus E-M1 II vs Sony G3

In this write-up, we will be analyzing the Olympus E-M1 II versus Sony G3, former being a Pro Mirrorless while the latter is a Small Sensor Compact by competitors Olympus and Sony. There is a considerable difference between the image resolutions of the E-M1 II (20MP) and G3 (10MP) and the E-M1 II (Four Thirds) and G3 (1/2.3") come with different sensor measurements.

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The E-M1 II was unveiled 7 years later than the G3 and that is quite a large difference as far as tech is concerned. Both of these cameras offer different body type with the Olympus E-M1 II being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before getting straight into a full comparison, below is a brief view of how the E-M1 II matches up vs the G3 for portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Olympus OM-D E-M1 Mark II & Sony Cyber-shot DSC-G3. The full galleries are provided at Olympus E-M1 II Gallery & Sony G3 Gallery.

For those who are planning to lug around your camera frequently, you should factor in its weight and size. The Olympus E-M1 II has external measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") with a weight of 574 grams (1.27 lbs) and the Sony G3 has specifications of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") along with a weight of 185 grams (0.41 lbs).

Look at the Olympus E-M1 II versus Sony G3 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you are working with at the time. Following is the front view overall size comparison of the E-M1 II against the G3.

Looking at size and weight, the portability rating of the E-M1 II and G3 is 68 and 94 respectively.

Often, its tough to imagine the gap between sensor measurements simply by reading through technical specs. The visual below might offer you a far better sense of the sensor sizing in the E-M1 II and G3.

As you can tell, the 2 cameras enjoy different megapixel count and different sensor measurements. The E-M1 II with its bigger sensor is going to make shooting shallow DOF easier and the Olympus E-M1 II will give extra detail having an extra 10MP. Higher resolution will also make it easier to crop pictures far more aggressively. The more modern E-M1 II should have an edge in sensor technology.