Sony a1 vs Sony G3

Below, we are matching up the Sony a1 versus Sony G3, one being a Pro Mirrorless and the other is a Small Sensor Compact and both are offered by Sony. There exists a huge gap between the sensor resolutions of the a1 (50MP) and G3 (10MP) and the a1 (Full frame) and G3 (1/2.3") possess different sensor sizing.

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The a1 was unveiled 12 years later than the G3 and that is quite a significant gap as far as technology is concerned. Both of these cameras come with different body type with the Sony a1 being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before we go through a comprehensive comparison, below is a short summation of how the a1 scores against the G3 for portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Sony Alpha a1 and Sony Cyber-shot DSC-G3. The full galleries are provided at Sony a1 Gallery and Sony G3 Gallery.

For those who are intending to carry your camera, you will want to think about its weight and dimensions. The Sony a1 provides exterior dimensions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") having a weight of 737 grams (1.62 lbs) and the Sony G3 has dimensions of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 185 grams (0.41 lbs).

Check the Sony a1 versus Sony G3 in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at the time. Following is the front view dimension comparison of the a1 against the G3.

Factoring in dimensions and weight, the portability grade of the a1 and G3 is 61 and 94 respectively.

More often than not, it can be tough to picture the contrast between sensor sizing only by reading through technical specs. The visual underneath will give you a stronger sense of the sensor dimensions in the a1 and G3.

As you have seen, both of those cameras posses different megapixel count and different sensor sizing. The a1 having a larger sensor is going to make shooting shallower DOF simpler and the Sony a1 will give you greater detail having an extra 40MP. Greater resolution will also allow you to crop photos somewhat more aggressively. The newer a1 provides an edge in sensor tech.