Sigma DP1 Merrill vs Sony TX20

Below, we are reviewing the Sigma DP1 Merrill vs Sony TX20, one being a Large Sensor Compact and the other is a Ultracompact by rivals Sigma and Sony. The sensor resolution of the DP1 Merrill (15MP) and the TX20 (16MP) is fairly well matched but the DP1 Merrill (APS-C) and TX20 (1/2.3") come with totally different sensor measurements.

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The DP1 Merrill was revealed at a similar time to the TX20 which means that they are both of a similar generation. Both of these cameras come with different body type with the Sigma DP1 Merrill being a Large Sensor Compact camera and the Sony TX20 being a Ultracompact camera.

Before delving straight into a more detailed comparison, below is a short overview of how the DP1 Merrill scores versus the TX20 in the way of portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Sigma DP1 Merrill and Sony Cyber-shot DSC-TX20. The full galleries are provided at Sigma DP1 Merrill Gallery and Sony TX20 Gallery.

In case you're intending to carry your camera regularly, you'll have to think about its weight and dimensions. The Sigma DP1 Merrill comes with exterior dimensions of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") and a weight of 330 grams (0.73 lbs) while the Sony TX20 has dimensions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") along with a weight of 133 grams (0.29 lbs).

See the Sigma DP1 Merrill vs Sony TX20 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at the time. Following is the front view scale comparison of the DP1 Merrill vs the TX20.

Factoring in dimensions and weight, the portability rating of the DP1 Merrill and TX20 is 82 and 96 respectively.

Sometimes, it is very hard to see the gap between sensor sizing simply by reading through a spec sheet. The visual below should give you a more clear sense of the sensor sizes in the DP1 Merrill and TX20.

Clearly, both of these cameras have got different megapixel count and different sensor sizing. The DP1 Merrill having a larger sensor will make achieving shallower depth of field easier and the Sony TX20 will resolve more detail because of its extra 1 Megapixels. Greater resolution will enable you to crop images much more aggressively.