Olympus E-M5 III vs Sony A330

Below is a thorough analysis of the Olympus E-M5 III vs Sony A330, former being a Advanced Mirrorless while the other is a Entry-Level DSLR by rivals Olympus and Sony. There exists a noticeable gap among the resolutions of the E-M5 III (20MP) and A330 (10MP) and the E-M5 III (Four Thirds) and A330 (APS-C) have totally different sensor sizes.

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The E-M5 III was brought out 10 years later than the A330 and that is a fairly sizable difference as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A330 being a Compact SLR camera.

Before going straight to a complete comparison, here is a short overview of how the E-M5 III scores versus the A330 with respect to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus OM-D E-M5 III & Sony Alpha DSLR-A330. The entire galleries are available at Olympus E-M5 III Gallery & Sony A330 Gallery.

If you are going to lug around your camera regularly, you will have to consider its weight and dimensions. The Olympus E-M5 III provides outer dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) whilst the Sony A330 has dimensions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

Look at the Olympus E-M5 III vs Sony A330 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change based on the lens you have chosen at that time. Underneath is a front view scale comparison of the E-M5 III versus the A330.

Looking at dimensions and weight, the portability score of the E-M5 III and A330 is 80 and 67 respectively.

Quite often, it can be difficult to envision the difference in sensor measurements merely by viewing specifications. The graphic here might provide you a much better sense of the sensor dimensions in the E-M5 III and A330.

To sum up, the two cameras provide different resolutions and different sensor measurements. The E-M5 III featuring a smaller sensor will make achieving shallower DOF tougher and the Olympus E-M5 III will render more detail having its extra 10MP. Greater resolution can also help you crop images more aggressively. The newer E-M5 III is going to have a benefit when it comes to sensor technology.