Olympus E-M1 vs Sony T900

Here is a extended assessment of the Olympus E-M1 vs Sony T900, former being a Pro Mirrorless while the other is a Ultracompact by competitors Olympus and Sony. There exists a large gap between the resolutions of the E-M1 (16MP) and T900 (12MP) and the E-M1 (Four Thirds) and T900 (1/2.3") enjoy totally different sensor sizes.

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The E-M1 was introduced 4 years later than the T900 and that is quite a serious difference as far as technology is concerned. Both the cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony T900 being a Ultracompact camera.

Before going in to a step-by-step comparison, below is a short highlight of how the E-M1 grades vs the T900 in regards to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Olympus OM-D E-M1 & Sony Cyber-shot DSC-T900. The whole galleries are available at Olympus E-M1 Gallery & Sony T900 Gallery.

If you are intending to carry your camera often, you are going to need to think about its weight and size. The Olympus E-M1 features exterior dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") accompanied by a weight of 497 grams (1.10 lbs) whilst the Sony T900 has specifications of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") with a weight of 143 grams (0.32 lbs).

Contrast the Olympus E-M1 vs Sony T900 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you have attached at that time. Here is the front view sizing comparison of the E-M1 vs the T900.

Taking into account dimensions and weight, the portability grade of the E-M1 and T900 is 71 and 96 respectively.

More often than not, it is very difficult to see the difference between sensor sizing simply by checking technical specs. The visual underneath should offer you a more clear sense of the sensor dimensions in the E-M1 and T900.

As you have seen, both of these cameras offer different resolutions and different sensor sizing. The E-M1 with its larger sensor will make getting bokeh simpler and the Olympus E-M1 will give extra detail using its extra 4 Megapixels. Greater resolution will also let you crop images a little more aggressively. The more recent E-M1 will have an advantage when it comes to sensor tech.