Sony A7 III vs Sony A330

The following is a complete analysis of the Sony A7 III and Sony A330, one is a Pro Mirrorless and the latter is a Entry-Level DSLR and both of them are built by Sony. There is a sizeable difference among the image resolutions of the A7 III (24MP) and A330 (10MP) and the A7 III (Full frame) and A330 (APS-C) provide different sensor size.

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The A7 III was launched 8 years after the A330 which is a fairly large gap as far as camera tech is concerned. Both of the cameras have different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony A330 being a Compact SLR camera.

Before going straight to a in depth comparison, here is a brief highlight of how the A7 III scores against the A330 in the way of portability, imaging, features and an overall mark.

This is a preview of the gallery images for Sony Alpha A7 III and Sony Alpha DSLR-A330. The complete galleries are available at Sony A7 III Gallery and Sony A330 Gallery.

For those who are looking to travel with your camera often, you have to consider its weight and size. The Sony A7 III has outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs) and the Sony A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

See the Sony A7 III and Sony A330 in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing at that moment. Below is a front view measurements comparison of the A7 III compared to the A330.

Considering size and weight, the portability rating of the A7 III and A330 is 63 and 67 respectively.

Oftentimes, it's difficult to picture the contrast in sensor dimensions just by checking out specs. The picture here may give you a better sense of the sensor dimensions in the A7 III and A330.

As you can plainly see, both the cameras have different megapixels and different sensor dimensions. The A7 III due to its bigger sensor is going to make shooting shallower depth of field less difficult and the Sony A7 III will provide greater detail utilizing its extra 14 Megapixels. Higher resolution will enable you to crop pictures a bit more aggressively. The fresher A7 III should have an edge with regard to sensor tech.