Sigma SD15 vs Sony TX66

Following is a in depth comparison of the Sigma SD15 versus Sony TX66, one is a Advanced DSLR and the other is a Ultracompact by rivals Sigma and Sony. There exists a significant gap among the resolutions of the SD15 (5MP) and TX66 (18MP) and the SD15 (APS-C) and TX66 (1/2.3") enjoy totally different sensor sizing.

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The SD15 was announced 24 months before the TX66 making the cameras a generation away from one another. Both of the cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony TX66 being a Ultracompact camera.

Before diving straight into a complete comparison, below is a short synopsis of how the SD15 grades vs the TX66 for portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sigma SD15 and Sony Cyber-shot DSC-TX66. The whole galleries are viewable at Sigma SD15 Gallery and Sony TX66 Gallery.

For anybody who is planning to carry around your camera frequently, you have to factor its weight and proportions. The Sigma SD15 has exterior measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) while the Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") with a weight of 109 grams (0.24 lbs).

Examine the Sigma SD15 versus Sony TX66 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. Here is the front view dimensions comparison of the SD15 compared to the TX66.

Looking at dimensions and weight, the portability score of the SD15 and TX66 is 59 and 97 respectively.

Quite often, it is very difficult to see the difference in sensor sizes merely by checking out a spec sheet. The image underneath will help provide you a greater sense of the sensor measurements in the SD15 and TX66.

Clearly, each of these cameras enjoy different resolutions and different sensor sizes. The SD15 having a larger sensor will make getting shallower depth of field simpler and the Sony TX66 will show extra detail with its extra 13MP. Greater resolution can also let you crop images far more aggressively. The more aged SD15 will be behind when it comes to sensor innovation.