Olympus E-M1 vs Olympus TG-320

Its time to look more closely at the Olympus E-M1 and Olympus TG-320, one is a Pro Mirrorless and the other is a Waterproof and they are both designed by Olympus. The sensor resolution of the E-M1 (16MP) and the TG-320 (14MP) is very similar but the E-M1 (Four Thirds) and TG-320 (1/2.3") offer totally different sensor measurements.

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The E-M1 was brought out 22 months after the TG-320 making them a generation away from each other. Both of these cameras have different body design with the Olympus E-M1 being a SLR-style mirrorless camera and the Olympus TG-320 being a Compact camera.

Before getting straight to a complete comparison, here is a short highlight of how the E-M1 scores against the TG-320 in regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus OM-D E-M1 and Olympus TG-320. The entire galleries are viewable at Olympus E-M1 Gallery and Olympus TG-320 Gallery.

For anybody who is looking to carry around your camera regularly, you will have to take into account its weight and volume. The Olympus E-M1 comes with exterior dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") along with a weight of 497 grams (1.10 lbs) whilst the Olympus TG-320 has sizing of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") with a weight of 155 grams (0.34 lbs).

Take a look at the Olympus E-M1 and Olympus TG-320 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that time. Below is a front view size comparison of the E-M1 versus the TG-320.

Considering size and weight, the portability rating of the E-M1 and TG-320 is 71 and 94 respectively.

Generally, it can be hard to envision the gap between sensor sizes purely by reviewing specifications. The pic below may offer you a better sense of the sensor dimensions in the E-M1 and TG-320.

Plainly, the 2 cameras have different resolutions and different sensor sizes. The E-M1 due to its larger sensor will make getting shallower DOF simpler and the Olympus E-M1 will offer greater detail having its extra 2MP. Greater resolution can also make it easier to crop photos a bit more aggressively. The more modern E-M1 is going to have a benefit in sensor technology.