Pentax 645D vs Sony W510

In this write-up, we are looking at the Pentax 645D vs Sony W510, one is a Pro DSLR and the other is a Ultracompact by rivals Pentax and Sony. There is a big difference between the resolutions of the 645D (40MP) and W510 (12MP) and the 645D (Medium format) and W510 (1/2.3") use different sensor dimensions.

Samsung Releases Faster Versions of EVO MicroSD Cards

The 645D was brought out 10 months prior to the W510 so they are of a similar generation. Each of the cameras offer different body type with the Pentax 645D being a Large SLR camera and the Sony W510 being a Ultracompact camera.

Before getting through a in depth comparison, below is a simple highlight of how the 645D scores against the W510 with respect to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax 645D and Sony Cyber-shot DSC-W510. The entire galleries are provided at Pentax 645D Gallery and Sony W510 Gallery.

When you are planning to travel with your camera often, you need to consider its weight and measurements. The Pentax 645D comes with outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) while the Sony W510 has proportions of 96mm x 54mm x 20mm (3.8" x 2.1" x 0.8") along with a weight of 119 grams (0.26 lbs).

Take a look at the Pentax 645D vs Sony W510 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at that time. Following is the front view dimension comparison of the 645D and the W510.

Using size and weight, the portability grade of the 645D and W510 is 50 and 96 respectively.

Often, it's difficult to imagine the contrast between sensor dimensions simply by going over specifications. The image below will help provide you a much better sense of the sensor sizes in the 645D and W510.

To sum up, both the cameras enjoy different resolutions and different sensor dimensions. The 645D because of its larger sensor is going to make achieving shallow depth of field easier and the Pentax 645D will deliver extra detail having its extra 28MP. Greater resolution will let you crop pics far more aggressively. The more aged 645D is going to be behind when it comes to sensor technology.