Sony W570 vs Sony A77

Below is a thorough overview of the Sony W570 vs Sony A77, one being a Ultracompact and the latter is a Advanced DSLR and both are sold by Sony. There exists a crucial gap between the image resolutions of the W570 (16MP) and A77 (24MP) and the W570 (1/2.3") and A77 (APS-C) feature totally different sensor dimensions.

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The W570 was revealed 9 months earlier than the A77 which means that they are both of a similar generation. Both of the cameras come with different body type with the Sony W570 being a Ultracompact camera and the Sony A77 being a Mid-size SLR camera.

Before diving in to a detailed comparison, below is a short overview of how the W570 scores against the A77 with respect to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Sony Cyber-shot DSC-W570 and Sony SLT-A77. The full galleries are provided at Sony W570 Gallery and Sony A77 Gallery.

For anybody who is aiming to lug around your camera regularly, you need to factor its weight and dimensions. The Sony W570 has got exterior dimensions of 91mm x 52mm x 19mm (3.6" x 2.0" x 0.7") having a weight of 116 grams (0.26 lbs) while the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Check out the Sony W570 vs Sony A77 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are using during that time. Below is the front view measurements comparison of the W570 compared to the A77.

Factoring in dimensions and weight, the portability score of the W570 and A77 is 96 and 59 respectively.

Typically, it can be difficult to visualise the gap between sensor measurements purely by checking technical specs. The graphic here might provide you a more clear sense of the sensor dimensions in the W570 and A77.

As you can tell, each of the cameras posses different resolutions and different sensor measurements. The W570 with its tinier sensor will make shooting shallow DOF more challenging and the Sony A77 will give you more detail because of its extra 8MP. Higher resolution will also enable you to crop shots somewhat more aggressively. The older W570 is going to be disadvantaged when it comes to sensor tech.