Olympus TG-320 vs Sony A330

On this page, we will be evaluating the Olympus TG-320 and Sony A330, former is a Waterproof while the latter is a Entry-Level DSLR by manufacturers Olympus and Sony. There is a large difference between the resolutions of the TG-320 (14MP) and A330 (10MP) and the TG-320 (1/2.3") and A330 (APS-C) have totally different sensor size.

Photography Glossary

The TG-320 was manufactured 2 years after the A330 which is quite a serious difference as far as tech is concerned. Each of these cameras have different body design with the Olympus TG-320 being a Compact camera and the Sony A330 being a Compact SLR camera.

Before going right into a in depth comparison, here is a short summary of how the TG-320 grades vs the A330 when considering portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Olympus TG-320 & Sony Alpha DSLR-A330. The entire galleries are provided at Olympus TG-320 Gallery & Sony A330 Gallery.

For anyone who is aiming to carry around your camera regularly, you are going to need to take into account its weight and size. The Olympus TG-320 offers outside measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") and a weight of 155 grams (0.34 lbs) whilst the Sony A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") with a weight of 529 grams (1.17 lbs).

Contrast the Olympus TG-320 and Sony A330 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are employing at the time. The following is a front view dimensions comparison of the TG-320 compared to the A330.

Taking into consideration size and weight, the portability grade of the TG-320 and A330 is 94 and 67 respectively.

Generally, it is hard to see the difference between sensor sizes simply by going over technical specs. The picture below will provide you a much better sense of the sensor measurements in the TG-320 and A330.

As you can tell, the two cameras have different resolutions and different sensor sizes. The TG-320 due to its tinier sensor will make achieving shallower depth of field harder and the Olympus TG-320 will deliver extra detail due to its extra 4MP. Higher resolution will also make it easier to crop pictures a bit more aggressively. The younger TG-320 is going to have an advantage with regard to sensor technology.