Olympus E-330 vs Panasonic G3

In this article, we will be matching up the Olympus E-330 and Panasonic G3, one being a Advanced DSLR and the latter is a Entry-Level Mirrorless by companies Olympus and Panasonic. There is a significant difference among the resolutions of the E-330 (7MP) and G3 (16MP) but they enjoy the same exact sensor dimensions (Four Thirds).

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The E-330 was unveiled 6 years prior to the G3 and that is a fairly sizable gap as far as camera tech is concerned. Both of the cameras offer different body type with the Olympus E-330 being a Mid-size SLR camera and the Panasonic G3 being a SLR-style mirrorless camera.

Before we go in to a complete comparison, below is a simple introduction of how the E-330 grades vs the G3 in regards to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Olympus E-330 and Panasonic Lumix DMC-G3. The full galleries are provided at Olympus E-330 Gallery and Panasonic G3 Gallery.

For anyone who is going to lug around your camera regularly, you have to factor in its weight and dimensions. The Olympus E-330 has got physical dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") along with a weight of 616 grams (1.36 lbs) while the Panasonic G3 has dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") along with a weight of 336 grams (0.74 lbs).

Look at the Olympus E-330 and Panasonic G3 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you have at that time. Here is the front view overall size comparison of the E-330 against the G3.

Using size and weight, the portability grade of the E-330 and G3 is 65 and 83 respectively.

Oftentimes, it is difficult to visualise the contrast in sensor measurements only by checking out a spec sheet. The graphic below might provide you a clearer sense of the sensor dimensions in the E-330 and G3.

Clearly, each of these cameras offer the same exact sensor sizing albeit not the same resolution. You should expect the Panasonic G3 to show extra detail having an extra 9 Megapixels. Higher resolution will also make it easier to crop photographs a little more aggressively. The older E-330 will be disadvantaged in sensor innovation.