Sony A7 IV vs Sony A7S

In this article, we will be evaluating the Sony A7 IV and Sony A7S, both Pro Mirrorless cameras and both are produced by Sony. There exists a huge gap among the sensor resolutions of the A7 IV (33MP) and A7S (12MP) but they enjoy the same exact sensor measurements (Full frame).

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The A7 IV was manufactured 7 years after the A7S which is a fairly significant gap as far as camera technology is concerned. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before getting through a more detailed comparison, below is a quick overview of how the A7 IV grades vs the A7S in relation to portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Sony Alpha A7 IV and Sony Alpha A7S. The entire galleries are available at Sony A7 IV Gallery and Sony A7S Gallery.

For those who are intending to travel with your camera regularly, you should factor its weight and dimensions. The Sony A7 IV provides outside measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs) and the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs).

Analyze the Sony A7 IV and Sony A7S in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. Following is the front view size comparison of the A7 IV compared to the A7S.

Using dimensions and weight, the portability rating of the A7 IV and A7S is 61 and 77 respectively.

More often than not, it can be difficult to see the gap in sensor dimensions just by looking through a spec sheet. The image here will provide you a far better sense of the sensor sizing in the A7 IV and A7S.

As you can see, both the cameras enjoy the same exact sensor sizing albeit not the same resolution. You should expect the Sony A7 IV to render extra detail due to its extra 21 Megapixels. Higher resolution can also allow you to crop photographs far more aggressively. The newer A7 IV will have an advantage in sensor innovation.