Sigma DP1 vs Sony TX7

Following is a in depth overview of the Sigma DP1 and Sony TX7, former is a Large Sensor Compact while the latter is a Ultracompact by rivals Sigma and Sony. There is a substantial difference between the resolutions of the DP1 (5MP) and TX7 (10MP) and the DP1 (APS-C) and TX7 (1/2.4") provide totally different sensor dimensions.

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The DP1 was unveiled 19 months before the TX7 which makes them a generation away from each other. The two cameras feature different body design with the Sigma DP1 being a Large Sensor Compact camera and the Sony TX7 being a Ultracompact camera.

Before diving straight to a full comparison, here is a concise introduction of how the DP1 matches up versus the TX7 with respect to portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Sigma DP1 & Sony Cyber-shot DSC-TX7. The full galleries are available at Sigma DP1 Gallery & Sony TX7 Gallery.

For anyone who is going to carry around your camera often, you should consider its weight and dimensions. The Sigma DP1 enjoys external dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") and a weight of 270 grams (0.60 lbs) and the Sony TX7 has dimensions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") along with a weight of 149 grams (0.33 lbs).

Check out the Sigma DP1 and Sony TX7 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you have at that time. Here is a front view overall size comparison of the DP1 compared to the TX7.

Taking into account size and weight, the portability score of the DP1 and TX7 is 87 and 95 respectively.

Generally, it is very tough to envision the gap between sensor sizes only by checking technical specs. The image here will help offer you a more clear sense of the sensor dimensions in the DP1 and TX7.

As you have seen, both the cameras come with different resolutions and different sensor sizes. The DP1 with its bigger sensor will make getting shallow depth of field easier and the Sony TX7 will give more detail having an extra 5 Megapixels. Higher resolution will also allow you to crop shots a good deal more aggressively. The more aged DP1 is going to be disadvantaged with regard to sensor technology.