Sony A9 II vs Sony G3

The following is a thorough overview of the Sony A9 II versus Sony G3, one is a Pro Mirrorless and the other is a Small Sensor Compact and they are both produced by Sony. There is a big difference among the resolutions of the A9 II (24MP) and G3 (10MP) and the A9 II (Full frame) and G3 (1/2.3") offer totally different sensor measurements.

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The A9 II was announced 10 years after the G3 which is a fairly big gap as far as camera tech is concerned. The two cameras have different body design with the Sony A9 II being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before we go right into a step-by-step comparison, here is a quick summation of how the A9 II matches up against the G3 when considering portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Sony Alpha A9 Mark II and Sony Cyber-shot DSC-G3. The whole galleries are provided at Sony A9 II Gallery and Sony G3 Gallery.

For anyone who is going to travel with your camera, you should take into account its weight and proportions. The Sony A9 II enjoys outer dimensions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") with a weight of 678 grams (1.49 lbs) and the Sony G3 has measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

See the Sony A9 II versus Sony G3 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at the time. Following is a front view sizing comparison of the A9 II compared to the G3.

Using size and weight, the portability rating of the A9 II and G3 is 62 and 94 respectively.

Often, its tough to visualise the gap in sensor dimensions only by viewing a spec sheet. The picture below may offer you a stronger sense of the sensor sizes in the A9 II and G3.

As you can see, the 2 cameras provide different megapixels and different sensor dimensions. The A9 II having a larger sensor will make getting shallower DOF less difficult and the Sony A9 II will render greater detail with its extra 14MP. Greater resolution will let you crop pics more aggressively. The fresher A9 II is going to have an edge with regard to sensor tech.