Olympus E-520 vs Sony A330

Here, we are matching up the Olympus E-520 and Sony A330, both Entry-Level DSLR cameras by brands Olympus and Sony. The resolution of the E-520 (10MP) and the A330 (10MP) is fairly close but the E-520 (Four Thirds) and A330 (APS-C) have totally different sensor size.

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The E-520 was unveiled 9 months prior to the A330 and they are of a similar age. Both of the cameras feature the same body design (Compact SLR).

Before getting straight to a more detailed comparison, here is a brief highlight of how the E-520 matches up vs the A330 when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus E-520 & Sony Alpha DSLR-A330. The full galleries are viewable at Olympus E-520 Gallery & Sony A330 Gallery.

In case you're going to carry around your camera regularly, you will have to factor its weight and size. The Olympus E-520 features physical measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") along with a weight of 552 grams (1.22 lbs) while the Sony A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") having a weight of 529 grams (1.17 lbs).

Check out the Olympus E-520 and Sony A330 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you select at the time. The following is a front view overall size comparison of the E-520 versus the A330.

Taking into account size and weight, the portability grade of the E-520 and A330 is 68 and 67 respectively.

Generally, it can be difficult to see the difference in sensor sizes only by researching technical specs. The picture here may give you a stronger sense of the sensor sizing in the E-520 and A330.

As you can tell, both of those cameras feature the identical resolution but not the same sensor sizes. The E-520 has got the smaller sensor which is going to make achieving shallower depth of field tougher. The more aged E-520 will be behind with regard to sensor innovation.