Sony T90 vs Sony A77

Lets take a more detailed look at the Sony T90 versus Sony A77, former being a Ultracompact while the other is a Advanced DSLR and both of them are produced by Sony. There exists a noticeable gap among the resolutions of the T90 (12MP) and A77 (24MP) and the T90 (1/2.3") and A77 (APS-C) enjoy totally different sensor sizing.

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The T90 was unveiled 3 years prior to the A77 and that is a fairly sizable difference as far as camera technology is concerned. Each of the cameras come with different body type with the Sony T90 being a Ultracompact camera and the Sony A77 being a Mid-size SLR camera.

Before going straight into a comprehensive comparison, below is a brief summation of how the T90 grades vs the A77 with regard to portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Sony Cyber-shot DSC-T90 & Sony SLT-A77. The full galleries are available at Sony T90 Gallery & Sony A77 Gallery.

For anybody who is intending to carry your camera frequently, you have to consider its weight and size. The Sony T90 comes with external dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") with a weight of 148 grams (0.33 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Examine the Sony T90 versus Sony A77 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you are using at the time. Following is the front view dimensions comparison of the T90 compared to the A77.

Considering dimensions and weight, the portability score of the T90 and A77 is 96 and 59 respectively.

Quite often, it can be difficult to envision the difference in sensor sizing only by checking out a spec sheet. The photograph here might give you a greater sense of the sensor sizes in the T90 and A77.

As you can see, each of the cameras have got different megapixel count and different sensor sizing. The T90 using its smaller sensor will make achieving shallow DOF harder and the Sony A77 will show more detail having an extra 12MP. Greater resolution will also help you crop images much more aggressively. The older T90 will be disadvantaged when it comes to sensor technology.