Sony A7R III vs Sony G3

Here, we are matching up the Sony A7R III and Sony G3, former being a Pro Mirrorless while the other is a Small Sensor Compact and they are both manufactured by Sony. There is a substantial difference among the image resolutions of the A7R III (42MP) and G3 (10MP) and the A7R III (Full frame) and G3 (1/2.3") provide different sensor dimensions.

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The A7R III was launched 8 years later than the G3 and that is a fairly big difference as far as camera tech is concerned. Each of the cameras feature different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before delving right into a thorough comparison, here is a quick introduction of how the A7R III grades against the G3 for portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sony Alpha A7R III & Sony Cyber-shot DSC-G3. The complete galleries are provided at Sony A7R III Gallery & Sony G3 Gallery.

In case you're planning to lug around your camera regularly, you'll need to consider its weight and volume. The Sony A7R III features physical dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs) whilst the Sony G3 has sizing of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

Compare the Sony A7R III and Sony G3 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are utilising at that moment. Underneath is a front view dimensions comparison of the A7R III vs the G3.

Considering size and weight, the portability score of the A7R III and G3 is 63 and 94 respectively.

Usually, it is tough to imagine the contrast in sensor measurements purely by looking through specifications. The visual underneath will give you a far better sense of the sensor sizes in the A7R III and G3.

Plainly, each of these cameras feature different resolutions and different sensor measurements. The A7R III because of its larger sensor is going to make getting shallow depth of field less difficult and the Sony A7R III will render more detail utilizing its extra 32 Megapixels. Greater resolution will enable you to crop pics way more aggressively. The more modern A7R III provides an advantage in sensor tech.