Sony A77 vs YI M1

Below, we are reviewing the Sony A77 vs YI M1, former is a Advanced DSLR while the other is a Entry-Level Mirrorless by rivals Sony and YI. The sensor resolution of the A77 (24MP) and the M1 (20MP) is very well matched but the A77 (APS-C) and M1 (Four Thirds) possess different sensor size.

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The A77 was brought out 5 years earlier than the M1 which is quite a serious difference as far as tech is concerned. Both the cameras come with different body type with the Sony A77 being a Mid-size SLR camera and the YI M1 being a Rangefinder-style mirrorless camera.

Before going straight into a detailed comparison, below is a brief introduction of how the A77 grades vs the M1 in terms of portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Sony SLT-A77 & YI M1. The entire galleries are provided at Sony A77 Gallery & YI M1 Gallery.

For anybody who is looking to carry around your camera regularly, you're going to have to think about its weight and measurements. The Sony A77 features external measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs) while the YI M1 has proportions of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") having a weight of 350 grams (0.77 lbs).

Compare the Sony A77 vs YI M1 in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you use during that time. The following is the front view physical size comparison of the A77 vs the M1.

Considering size and weight, the portability score of the A77 and M1 is 59 and 87 respectively.

Oftentimes, it is tough to picture the contrast between sensor sizes purely by looking at a spec sheet. The image here may provide you a stronger sense of the sensor measurements in the A77 and M1.

As you can see, each of the cameras have got different megapixels and different sensor sizes. The A77 featuring a larger sensor is going to make achieving shallow depth of field less difficult and the Sony A77 will give you extra detail having its extra 4 Megapixels. Greater resolution will make it easier to crop images much more aggressively. The more aged A77 is going to be behind in sensor technology.