Olympus E-330 vs Panasonic GH3

Below, we are looking at the Olympus E-330 and Panasonic GH3, one is a Advanced DSLR and the other is a Advanced Mirrorless by companies Olympus and Panasonic. There is a significant difference between the resolutions of the E-330 (7MP) and GH3 (16MP) but they enjoy the exact same sensor sizes (Four Thirds).

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The E-330 was revealed 7 years before the GH3 which is quite a sizable gap as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-330 being a Mid-size SLR camera and the Panasonic GH3 being a SLR-style mirrorless camera.

Before delving through a detailed comparison, below is a simple summation of how the E-330 scores against the GH3 in relation to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Olympus E-330 and Panasonic Lumix DMC-GH3. The full galleries are available at Olympus E-330 Gallery and Panasonic GH3 Gallery.

In case you're looking to carry around your camera regularly, you need to consider its weight and dimensions. The Olympus E-330 comes with exterior dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") having a weight of 616 grams (1.36 lbs) whilst the Panasonic GH3 has dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs).

Examine the Olympus E-330 and Panasonic GH3 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you are employing at that time. Below is the front view physical size comparison of the E-330 against the GH3.

Factoring in size and weight, the portability grade of the E-330 and GH3 is 65 and 66 respectively.

Generally, it's tough to see the difference between sensor sizes merely by reviewing a spec sheet. The image here should give you a more clear sense of the sensor dimensions in the E-330 and GH3.

As you can see, both the cameras have got the exact same sensor measurements but not the same resolution. You should expect to see the Panasonic GH3 to deliver greater detail because of its extra 9 Megapixels. Greater resolution will also enable you to crop images much more aggressively. The more aged E-330 is going to be behind when it comes to sensor innovation.