Sigma DP1x vs Sony A55

The following is a thorough comparison of the Sigma DP1x and Sony A55, one is a Large Sensor Compact and the other is a Entry-Level DSLR by competitors Sigma and Sony. There exists a huge gap among the sensor resolutions of the DP1x (5MP) and A55 (16MP) but they come with the same exact sensor size (APS-C).

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The DP1x was released 6 months before the A55 so they are of a similar generation. The two cameras offer different body type with the Sigma DP1x being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.

Before delving in to a more detailed comparison, below is a concise synopsis of how the DP1x scores against the A55 when considering portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Sigma DP1x and Sony SLT-A55. The complete galleries are provided at Sigma DP1x Gallery and Sony A55 Gallery.

If you're looking to travel with your camera often, you are going to need to consider its weight and volume. The Sigma DP1x offers physical dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 250 grams (0.55 lbs) while the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Examine the Sigma DP1x and Sony A55 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at the time. The following is the front view proportions comparison of the DP1x compared to the A55.

Taking into consideration dimensions and weight, the portability grade of the DP1x and A55 is 88 and 67 respectively.

Quite often, it can be difficult to visualise the gap in sensor dimensions purely by checking out specifications. The pic underneath will help offer you a much better sense of the sensor dimensions in the DP1x and A55.

To sum up, each of these cameras enjoy the same exact sensor sizing but not the same resolution. You should expect to see the Sony A55 to provide greater detail as a result of its extra 11MP. Greater resolution can also make it easier to crop images far more aggressively.