Sigma SD14 vs Sony A7R IV

On this page, we will be analyzing the Sigma SD14 versus Sony A7R IV, former being a Advanced DSLR while the latter is a Pro Mirrorless by brands Sigma and Sony. There is a substantial difference between the sensor resolutions of the SD14 (5MP) and A7R IV (61MP) and the SD14 (APS-C) and A7R IV (Full frame) provide different sensor size.

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The SD14 was released 13 years before the A7R IV and that is quite a big difference as far as tech is concerned. The two cameras have different body design with the Sigma SD14 being a Mid-size SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before going into a thorough comparison, here is a simple highlight of how the SD14 grades versus the A7R IV in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Sigma SD14 & Sony Alpha A7R IV. The complete galleries are viewable at Sigma SD14 Gallery & Sony A7R IV Gallery.

If you are intending to lug around your camera regularly, you will want to take into account its weight and dimensions. The Sigma SD14 offers outside measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) and the Sony A7R IV has dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") accompanied by a weight of 665 grams (1.47 lbs).

Check the Sigma SD14 versus Sony A7R IV in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change dependant on the lens you have chosen at that time. The following is a front view proportions comparison of the SD14 against the A7R IV.

Factoring in size and weight, the portability grade of the SD14 and A7R IV is 59 and 62 respectively.

In many cases, it is hard to picture the contrast between sensor measurements merely by reading through technical specs. The graphic underneath may give you a much better sense of the sensor measurements in the SD14 and A7R IV.

As you have seen, both of these cameras provide different megapixel count and different sensor measurements. The SD14 because of its tinier sensor is going to make achieving shallow depth of field harder and the Sony A7R IV will give you extra detail as a result of its extra 56MP. Higher resolution will also enable you to crop photographs more aggressively. The older SD14 is going to be disadvantaged with regard to sensor innovation.