Sony A9 vs Sony A100

Lets take a more detailed look at the Sony A9 versus Sony A100, one being a Pro Mirrorless and the other is a Entry-Level DSLR and they are both produced by Sony. There is a huge difference between the image resolutions of the A9 (24MP) and A100 (10MP) and the A9 (Full frame) and A100 (APS-C) have totally different sensor size.

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The A9 was launched 10 years later than the A100 and that is quite a significant gap as far as tech is concerned. Each of these cameras have different body design with the Sony A9 being a SLR-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before getting right into a in-depth comparison, here is a simple highlight of how the A9 scores against the A100 when considering portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Sony Alpha A9 and Sony Alpha DSLR-A100. The complete galleries are provided at Sony A9 Gallery and Sony A100 Gallery.

For anybody who is going to lug around your camera frequently, you have to take into account its weight and volume. The Sony A9 enjoys physical measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") accompanied by a weight of 673 grams (1.48 lbs) whilst the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Look at the Sony A9 versus Sony A100 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that moment. Following is a front view measurements comparison of the A9 compared to the A100.

Taking into account size and weight, the portability grade of the A9 and A100 is 65 and 64 respectively.

Oftentimes, it can be difficult to envision the contrast between sensor measurements merely by going over a spec sheet. The visual below will help give you a much better sense of the sensor measurements in the A9 and A100.

Clearly, both cameras have different resolutions and different sensor measurements. The A9 featuring a larger sensor will make getting shallower depth of field less difficult and the Sony A9 will offer you more detail utilizing its extra 14MP. Greater resolution will allow you to crop images a bit more aggressively. The younger A9 will have a benefit when it comes to sensor tech.