Olympus E-M10 III vs Sony A330

On this page, we will be matching up the Olympus E-M10 III and Sony A330, one being a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by competitors Olympus and Sony. There is a sizeable difference among the resolutions of the E-M10 III (16MP) and A330 (10MP) and the E-M10 III (Four Thirds) and A330 (APS-C) have different sensor dimensions.

Photography Glossary

The E-M10 III was introduced 8 years later than the A330 and that is a fairly large gap as far as camera tech is concerned. Both of these cameras have different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A330 being a Compact SLR camera.

Before going into a thorough comparison, here is a simple overview of how the E-M10 III matches up vs the A330 when it comes to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus OM-D E-M10 Mark III and Sony Alpha DSLR-A330. The whole galleries are viewable at Olympus E-M10 III Gallery and Sony A330 Gallery.

In case you're aiming to lug around your camera regularly, you have to factor in its weight and measurements. The Olympus E-M10 III comes with external measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") with a weight of 410 grams (0.90 lbs) and the Sony A330 has proportions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") along with a weight of 529 grams (1.17 lbs).

Examine the Olympus E-M10 III and Sony A330 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you select at the time. The following is a front view dimensions comparison of the E-M10 III against the A330.

Taking into account size and weight, the portability score of the E-M10 III and A330 is 80 and 67 respectively.

Usually, it is very tough to visualize the contrast in sensor measurements only by researching specifications. The visual below should provide you a clearer sense of the sensor measurements in the E-M10 III and A330.

To sum up, the two cameras provide different megapixel count and different sensor measurements. The E-M10 III having a smaller sensor is going to make achieving shallow DOF harder and the Olympus E-M10 III will provide you with extra detail using its extra 6MP. Higher resolution will let you crop pictures more aggressively. The more recent E-M10 III should have a benefit in sensor technology.