Olympus TG-870 vs Sigma DP2 Quattro

The following is a extensive comparison of the Olympus TG-870 and Sigma DP2 Quattro, one is a Ultracompact and the other is a Large Sensor Compact by competitors Olympus and Sigma. The image resolution of the TG-870 (16MP) and the DP2 Quattro (20MP) is very well matched but the TG-870 (1/2.3") and DP2 Quattro (APS-C) boast different sensor sizing.

Photography Glossary

The TG-870 was revealed 24 months after the DP2 Quattro making them a generation away from each other. Both the cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Sigma DP2 Quattro being a Large Sensor Compact camera.

Before we go right into a in-depth comparison, here is a quick summary of how the TG-870 matches up vs the DP2 Quattro in relation to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus Stylus Tough TG-870 and Sigma DP2 Quattro. The full galleries are provided at Olympus TG-870 Gallery and Sigma DP2 Quattro Gallery.

For those who are going to travel with your camera frequently, you're going to have to factor in its weight and proportions. The Olympus TG-870 provides outer measurements of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) while the Sigma DP2 Quattro has measurements of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") accompanied by a weight of 395 grams (0.87 lbs).

Contrast the Olympus TG-870 and Sigma DP2 Quattro in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that time. The following is a front view sizing comparison of the TG-870 and the DP2 Quattro.

Taking into account size and weight, the portability grade of the TG-870 and DP2 Quattro is 91 and 70 respectively.

Oftentimes, it is hard to picture the difference between sensor dimensions purely by reading through specs. The pic below should give you a far better sense of the sensor measurements in the TG-870 and DP2 Quattro.

As you can plainly see, each of the cameras have different resolutions and different sensor dimensions. The TG-870 with its tinier sensor is going to make getting bokeh trickier and the Sigma DP2 Quattro will give extra detail because of its extra 4 Megapixels. Greater resolution can also let you crop pics a bit more aggressively. The younger TG-870 should have a benefit with regard to sensor tech.