Samsung ST90 vs Sigma DP1

In this write-up, we will be evaluating the Samsung ST90 and Sigma DP1, former is a Ultracompact while the latter is a Large Sensor Compact by manufacturers Samsung and Sigma. There is a sizable difference between the sensor resolutions of the ST90 (14MP) and DP1 (5MP) and the ST90 (1/2.3") and DP1 (APS-C) come with different sensor size.

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The ST90 was introduced 2 years after the DP1 which is quite a significant difference as far as tech is concerned. Both cameras offer different body type with the Samsung ST90 being a Ultracompact camera and the Sigma DP1 being a Large Sensor Compact camera.

Before we go through a step-by-step comparison, below is a brief synopsis of how the ST90 grades vs the DP1 for portability, imaging, features and an overall score.

Here is a preview of the gallery images for Samsung ST90 & Sigma DP1. The whole galleries are provided at Samsung ST90 Gallery & Sigma DP1 Gallery.

When you are looking to carry around your camera regularly, you are going to need to consider its weight and size. The Samsung ST90 comes with outer measurements of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") having a weight of n/a grams (0.00 lbs) while the Sigma DP1 has specifications of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 270 grams (0.60 lbs).

See the Samsung ST90 and Sigma DP1 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you have at the time. Below is the front view size comparison of the ST90 against the DP1.

Factoring in size and weight, the portability score of the ST90 and DP1 is 99 and 87 respectively.

In many cases, it's tough to picture the gap between sensor sizes simply by reading a spec sheet. The pic below will help offer you a greater sense of the sensor sizing in the ST90 and DP1.

Clearly, both cameras offer different resolutions and different sensor sizes. The ST90 using its tinier sensor is going to make shooting shallower depth of field trickier and the Samsung ST90 will offer you more detail using its extra 9MP. Higher resolution will also enable you to crop photographs a little more aggressively. The more modern ST90 should have an advantage with regard to sensor technology.