Pentax 645D vs Sony G3

The following is a extensive overview of the Pentax 645D vs Sony G3, former is a Pro DSLR while the other is a Small Sensor Compact by brands Pentax and Sony. There exists a sizable gap between the sensor resolutions of the 645D (40MP) and G3 (10MP) and the 645D (Medium format) and G3 (1/2.3") posses different sensor dimensions.

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The 645D was announced 15 months after the G3 making them a generation away from one another. Both cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony G3 being a Compact camera.

Before going right into a in-depth comparison, here is a quick synopsis of how the 645D grades vs the G3 in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax 645D & Sony Cyber-shot DSC-G3. The whole galleries are provided at Pentax 645D Gallery & Sony G3 Gallery.

For anyone who is going to travel with your camera frequently, you should factor in its weight and size. The Pentax 645D offers outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) and the Sony G3 has specifications of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 185 grams (0.41 lbs).

Take a look at the Pentax 645D vs Sony G3 in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you have during that time. The following is a front view overall size comparison of the 645D against the G3.

Considering dimensions and weight, the portability grade of the 645D and G3 is 50 and 94 respectively.

More often than not, it can be hard to imagine the difference between sensor dimensions only by looking at specifications. The pic here might provide you a far better sense of the sensor sizes in the 645D and G3.

To sum up, each of the cameras have different megapixel count and different sensor dimensions. The 645D having a larger sensor is going to make achieving shallow depth of field easier and the Pentax 645D will give you extra detail with its extra 30 Megapixels. Greater resolution will also allow you to crop photos a bit more aggressively. The fresher 645D should have a benefit when it comes to sensor tech.