Pentax 645D vs Sony TX1

In this write-up, we are analyzing the Pentax 645D vs Sony TX1, one is a Pro DSLR and the other is a Ultracompact by brands Pentax and Sony. There exists a big gap between the image resolutions of the 645D (40MP) and TX1 (10MP) and the 645D (Medium format) and TX1 (1/2.4") come with different sensor measurements.

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The 645D was manufactured 8 months after the TX1 and they are of a similar generation. Both of these cameras offer different body type with the Pentax 645D being a Large SLR camera and the Sony TX1 being a Ultracompact camera.

Before diving through a comprehensive comparison, below is a concise summation of how the 645D grades versus the TX1 for portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax 645D and Sony Cyber-shot DSC-TX1. The entire galleries are provided at Pentax 645D Gallery and Sony TX1 Gallery.

When you are going to travel with your camera often, you need to factor in its weight and proportions. The Pentax 645D offers external measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) whilst the Sony TX1 has measurements of 94mm x 58mm x 17mm (3.7" x 2.3" x 0.7") having a weight of 142 grams (0.31 lbs).

Take a look at the Pentax 645D vs Sony TX1 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at that moment. The following is the front view size comparison of the 645D against the TX1.

Factoring in dimensions and weight, the portability grade of the 645D and TX1 is 50 and 96 respectively.

Normally, it can be difficult to imagine the contrast between sensor dimensions just by reviewing a spec sheet. The picture underneath will give you a stronger sense of the sensor sizing in the 645D and TX1.

Clearly, both the cameras offer different megapixel count and different sensor dimensions. The 645D featuring a larger sensor is going to make achieving shallow depth of field less difficult and the Pentax 645D will deliver extra detail due to its extra 30 Megapixels. Greater resolution can also help you crop photos a little more aggressively. The more recent 645D should have an advantage when it comes to sensor innovation.