Olympus TG-820 iHS vs Sony A330

In this write-up, we will be reviewing the Olympus TG-820 iHS vs Sony A330, one being a Waterproof and the latter is a Entry-Level DSLR by brands Olympus and Sony. The image resolution of the TG-820 iHS (12MP) and the A330 (10MP) is pretty well matched but the TG-820 iHS (1/2.3") and A330 (APS-C) possess different sensor sizing.

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The TG-820 iHS was released 2 years later than the A330 and that is quite a big gap as far as tech is concerned. Both of the cameras offer different body type with the Olympus TG-820 iHS being a Compact camera and the Sony A330 being a Compact SLR camera.

Before diving in to a detailed comparison, below is a concise summary of how the TG-820 iHS grades against the A330 with regards to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus TG-820 iHS and Sony Alpha DSLR-A330. The complete galleries are provided at Olympus TG-820 iHS Gallery and Sony A330 Gallery.

In case you're intending to carry your camera often, you will need to think about its weight and volume. The Olympus TG-820 iHS enjoys external measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") accompanied by a weight of 206 grams (0.45 lbs) and the Sony A330 has sizing of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") having a weight of 529 grams (1.17 lbs).

Contrast the Olympus TG-820 iHS vs Sony A330 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you use at that time. Following is the front view physical size comparison of the TG-820 iHS compared to the A330.

Taking into account size and weight, the portability grade of the TG-820 iHS and A330 is 92 and 67 respectively.

Often, its hard to visualize the gap between sensor sizing merely by looking at specifications. The visual below may give you a better sense of the sensor measurements in the TG-820 iHS and A330.

To sum up, both of the cameras offer different megapixels and different sensor sizing. The TG-820 iHS due to its tinier sensor is going to make shooting bokeh tougher and the Olympus TG-820 iHS will give you greater detail as a result of its extra 2 Megapixels. Higher resolution can also enable you to crop photographs a little more aggressively. The more recent TG-820 iHS provides an advantage in sensor technology.