Sony G3 vs Sony A65

Lets look a bit more closely at the Sony G3 and Sony A65, one is a Small Sensor Compact and the latter is a Entry-Level DSLR and both are produced by Sony. There exists a crucial gap between the image resolutions of the G3 (10MP) and A65 (24MP) and the G3 (1/2.3") and A65 (APS-C) use different sensor sizing.

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The G3 was introduced 3 years prior to the A65 which is quite a serious gap as far as technology is concerned. Both of the cameras offer different body type with the Sony G3 being a Compact camera and the Sony A65 being a Compact SLR camera.

Before we go through a more detailed comparison, below is a concise view of how the G3 matches up versus the A65 with regards to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sony Cyber-shot DSC-G3 and Sony SLT-A65. The whole galleries are provided at Sony G3 Gallery and Sony A65 Gallery.

For anyone who is planning to travel with your camera regularly, you are going to need to consider its weight and proportions. The Sony G3 enjoys outside measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs) while the Sony A65 has measurements of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") with a weight of 622 grams (1.37 lbs).

Examine the Sony G3 and Sony A65 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at that time. Following is the front view scale comparison of the G3 compared to the A65.

Taking into consideration dimensions and weight, the portability score of the G3 and A65 is 94 and 64 respectively.

Normally, it is very hard to imagine the difference between sensor dimensions simply by reviewing technical specs. The image below might give you a much better sense of the sensor measurements in the G3 and A65.

As you have seen, each of these cameras offer different megapixel count and different sensor dimensions. The G3 having a tinier sensor is going to make getting shallow DOF tougher and the Sony A65 will deliver greater detail using its extra 14 Megapixels. Higher resolution can also let you crop photographs a little more aggressively. The more aged G3 is going to be disadvantaged when it comes to sensor innovation.