Olympus E-M1 vs Sony W620

Its time to look more closely at the Olympus E-M1 vs Sony W620, one being a Pro Mirrorless and the other is a Small Sensor Compact by competitors Olympus and Sony. The resolution of the E-M1 (16MP) and the W620 (14MP) is fairly similar but the E-M1 (Four Thirds) and W620 (1/2.3") have totally different sensor size.

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The E-M1 was released 22 months later than the W620 making them a generation apart from one another. Both of the cameras feature different body design with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony W620 being a Compact camera.

Before delving right into a in depth comparison, here is a concise summary of how the E-M1 scores versus the W620 in relation to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Olympus OM-D E-M1 and Sony Cyber-shot DSC-W620. The complete galleries are available at Olympus E-M1 Gallery and Sony W620 Gallery.

For anybody who is going to lug around your camera often, you have to take into account its weight and dimensions. The Olympus E-M1 features external measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") having a weight of 497 grams (1.10 lbs) whilst the Sony W620 has dimensions of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") and a weight of 116 grams (0.26 lbs).

See the Olympus E-M1 vs Sony W620 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen during that time. The following is a front view dimensions comparison of the E-M1 against the W620.

Using dimensions and weight, the portability score of the E-M1 and W620 is 71 and 96 respectively.

Typically, it's difficult to visualise the gap between sensor measurements just by reviewing technical specs. The visual underneath will help provide you a much better sense of the sensor sizing in the E-M1 and W620.

As you have seen, both cameras come with different resolutions and different sensor measurements. The E-M1 because of its larger sensor will make achieving shallower depth of field less difficult and the Olympus E-M1 will deliver more detail as a result of its extra 2 Megapixels. Greater resolution can also make it easier to crop images a good deal more aggressively. The younger E-M1 will have an advantage when it comes to sensor innovation.