Sony A390 vs Sony G3

Lets look much closer at the Sony A390 vs Sony G3, one being a Entry-Level DSLR and the other is a Small Sensor Compact and both are designed by Sony. There is a huge difference between the sensor resolutions of the A390 (14MP) and G3 (10MP) and the A390 (APS-C) and G3 (1/2.3") enjoy different sensor measurements.

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The A390 was manufactured 19 months later than the G3 making the cameras a generation apart from each other. The two cameras offer different body type with the Sony A390 being a Compact SLR camera and the Sony G3 being a Compact camera.

Before going straight into a thorough comparison, below is a concise overview of how the A390 matches up versus the G3 with respect to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sony Alpha DSLR-A390 and Sony Cyber-shot DSC-G3. The entire galleries are provided at Sony A390 Gallery and Sony G3 Gallery.

If you're going to lug around your camera often, you have to take into account its weight and proportions. The Sony A390 enjoys physical dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs) while 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).

Contrast the Sony A390 vs Sony G3 in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose during that time. Underneath is the front view scale comparison of the A390 and the G3.

Considering size and weight, the portability grade of the A390 and G3 is 66 and 94 respectively.

Oftentimes, it can be difficult to visualize the contrast between sensor measurements merely by going over a spec sheet. The photograph below may give you a better sense of the sensor sizes in the A390 and G3.

Clearly, the two cameras enjoy different resolutions and different sensor measurements. The A390 due to its larger sensor is going to make shooting bokeh simpler and the Sony A390 will offer greater detail due to its extra 4MP. Greater resolution can also let you crop images far more aggressively. The younger A390 provides a benefit when it comes to sensor tech.