Pentax 645D vs Sony A380

Let's look more closely at the Pentax 645D vs Sony A380, former being a Pro DSLR while the other is a Entry-Level DSLR by companies Pentax and Sony. There is a noticeable difference between the sensor resolutions of the 645D (40MP) and A380 (14MP) and the 645D (Medium format) and A380 (APS-C) have different sensor dimensions.

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The 645D was unveiled 7 months later than the A380 and they are both of a similar age. The two cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony A380 being a Compact SLR camera.

Before we go straight to a comprehensive comparison, here is a simple introduction of how the 645D grades against the A380 in relation to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Pentax 645D & Sony Alpha DSLR-A380. The full galleries are viewable at Pentax 645D Gallery & Sony A380 Gallery.

For those who are intending to lug around your camera, you should take into account its weight and proportions. The Pentax 645D features outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) while the Sony A380 has measurements of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") with a weight of 519 grams (1.14 lbs).

Examine the Pentax 645D vs Sony A380 in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you use during that time. Here is a front view physical size comparison of the 645D and the A380.

Taking into account size and weight, the portability rating of the 645D and A380 is 50 and 68 respectively.

Generally, it is difficult to visualize the difference between sensor measurements merely by going over specifications. The graphic below will help give you a better sense of the sensor dimensions in the 645D and A380.

Plainly, both of the cameras provide different megapixels and different sensor measurements. The 645D with its larger sensor is going to make shooting shallower DOF simpler and the Pentax 645D will offer greater detail having an extra 26 Megapixels. Greater resolution will enable you to crop photos more aggressively. The more recent 645D provides an advantage when it comes to sensor innovation.