Olympus E-M1 II vs Olympus TG-320

On this page, we are evaluating the Olympus E-M1 II versus Olympus TG-320, one being a Pro Mirrorless and the other is a Waterproof and both of them are sold by Olympus. There is a crucial difference between the sensor resolutions of the E-M1 II (20MP) and TG-320 (14MP) and the E-M1 II (Four Thirds) and TG-320 (1/2.3") boast totally different sensor dimensions.

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The E-M1 II was introduced 4 years later than the TG-320 and that is quite a serious gap as far as tech is concerned. Both cameras have different body design with the Olympus E-M1 II being a SLR-style mirrorless camera and the Olympus TG-320 being a Compact camera.

Before delving straight to a full comparison, here is a short view of how the E-M1 II grades vs the TG-320 for portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus OM-D E-M1 Mark II and Olympus TG-320. The whole galleries are provided at Olympus E-M1 II Gallery and Olympus TG-320 Gallery.

For anyone who is planning to carry your camera frequently, you have to consider its weight and dimensions. The Olympus E-M1 II comes with external measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") accompanied by a weight of 574 grams (1.27 lbs) and the Olympus TG-320 has dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") and a weight of 155 grams (0.34 lbs).

See the Olympus E-M1 II versus Olympus TG-320 in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that moment. Following is a front view sizing comparison of the E-M1 II and the TG-320.

Looking at size and weight, the portability grade of the E-M1 II and TG-320 is 68 and 94 respectively.

In many cases, it's difficult to see the difference between sensor sizing only by looking at a spec sheet. The graphic below might give you a more clear sense of the sensor sizing in the E-M1 II and TG-320.

As you can see, both of these cameras have different megapixel count and different sensor sizing. The E-M1 II having a larger sensor will make achieving shallow depth of field easier and the Olympus E-M1 II will resolve more detail using its extra 6MP. Greater resolution will also make it easier to crop photos a bit more aggressively. The more recent E-M1 II will have an edge in sensor technology.