Sony A900 vs YI M1

Following is a extensive review of the Sony A900 vs YI M1, one is a Advanced DSLR and the other is a Entry-Level Mirrorless by rivals Sony and YI. There is a big difference among the image resolutions of the A900 (25MP) and M1 (20MP) and the A900 (Full frame) and M1 (Four Thirds) have different sensor sizes.

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The A900 was manufactured 9 years before the M1 which is a fairly big gap as far as camera tech is concerned. Both cameras have different body design with the Sony A900 being a Mid-size SLR camera and the YI M1 being a Rangefinder-style mirrorless camera.

Before we go right into a comprehensive comparison, here is a quick overview of how the A900 scores against the M1 with respect to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Sony Alpha DSLR-A900 and YI M1. The entire galleries are available at Sony A900 Gallery and YI M1 Gallery.

In case you're intending to carry around your camera frequently, you should think about its weight and volume. The Sony A900 offers outside dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") accompanied by a weight of 895 grams (1.97 lbs) while the YI M1 has sizing of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") accompanied by a weight of 350 grams (0.77 lbs).

See the Sony A900 vs YI M1 in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have during that time. Below is a front view measurements comparison of the A900 vs the M1.

Using size and weight, the portability rating of the A900 and M1 is 54 and 87 respectively.

Generally, it is very hard to picture the gap in sensor sizes only by researching technical specs. The pic here may provide you a far better sense of the sensor dimensions in the A900 and M1.

As you can tell, each of these cameras provide different megapixels and different sensor sizes. The A900 because of its larger sensor is going to make achieving shallow DOF easier and the Sony A900 will render extra detail due to its extra 5MP. Greater resolution can also let you crop photos more aggressively. The more aged A900 will be disadvantaged when it comes to sensor innovation.