Olympus TG-870 vs Pentax I-10

On this page, we are reviewing the Olympus TG-870 and Pentax I-10, one being a Ultracompact and the other is a Small Sensor Compact by competitors Olympus and Pentax. There is a crucial difference among the sensor resolutions of the TG-870 (16MP) and I-10 (12MP) but both cameras have the same sensor sizes (1/2.3").

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The TG-870 was introduced 6 years later than the I-10 and that is a fairly serious gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus TG-870 being a Ultracompact camera and the Pentax I-10 being a Compact camera.

Before delving into a comprehensive comparison, here is a quick highlight of how the TG-870 matches up against the I-10 in relation to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Olympus Stylus Tough TG-870 and Pentax Optio I-10. The whole galleries are provided at Olympus TG-870 Gallery and Pentax I-10 Gallery.

In case you're planning to lug around your camera, you have to factor its weight and size. The Olympus TG-870 offers external dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") and a weight of 221 grams (0.49 lbs) while the Pentax I-10 has specifications of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs).

Check out the Olympus TG-870 and Pentax I-10 in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. Following is a front view scale comparison of the TG-870 versus the I-10.

Looking at size and weight, the portability rating of the TG-870 and I-10 is 91 and 93 respectively.

Usually, it can be tough to visualize the difference in sensor measurements purely by researching specifications. The graphic underneath will help provide you a much better sense of the sensor dimensions in the TG-870 and I-10.

To sum up, the two cameras have the same sensor dimensions but different MP. You should expect to see the Olympus TG-870 to render greater detail using its extra 4MP. Greater resolution can also allow you to crop photos a bit more aggressively. The younger TG-870 provides an advantage with regard to sensor technology.