Sigma SD1 vs Sony A6400

Lets look more closely at the Sigma SD1 vs Sony A6400, one is a Advanced DSLR and the other is a Advanced Mirrorless by companies Sigma and Sony. There is a significant difference between the sensor resolutions of the SD1 (15MP) and A6400 (24MP) but both cameras posses the same sensor measurements (APS-C).

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The SD1 was launched 9 years before the A6400 which is quite a sizable gap as far as tech is concerned. The two cameras have different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before delving right into a comprehensive comparison, here is a concise view of how the SD1 matches up against the A6400 in regards to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Sigma SD1 and Sony Alpha a6400. The complete galleries are provided at Sigma SD1 Gallery and Sony A6400 Gallery.

For anybody who is going to travel with your camera, you're going to have to factor its weight and volume. The Sigma SD1 has external measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs) and the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs).

Take a look at the Sigma SD1 vs Sony A6400 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that time. Below is a front view scale comparison of the SD1 and the A6400.

Considering size and weight, the portability score of the SD1 and A6400 is 77 and 83 respectively.

Often, its difficult to visualize the gap between sensor dimensions merely by reading specifications. The image below will help offer you a more clear sense of the sensor measurements in the SD1 and A6400.

To sum up, each of these cameras have the same sensor dimensions but different MP. You should expect to see the Sony A6400 to offer more detail utilizing its extra 9MP. Greater resolution will also allow you to crop pics a bit more aggressively. The more aged SD1 is going to be disadvantaged with regard to sensor innovation.