Olympus E-PM2 vs Olympus TG-4

Below is a thorough comparison of the Olympus E-PM2 versus Olympus TG-4, former being a Entry-Level Mirrorless while the other is a Waterproof and both of them are created by Olympus. The resolution of the E-PM2 (16MP) and the TG-4 (16MP) is fairly well matched but the E-PM2 (Four Thirds) and TG-4 (1/2.3") feature totally different sensor dimensions.

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The E-PM2 was unveiled 23 months prior to the TG-4 making the cameras a generation apart from one another. Each of the cameras come with different body type with the Olympus E-PM2 being a Rangefinder-style mirrorless camera and the Olympus TG-4 being a Compact camera.

Before we go straight into a comprehensive comparison, below is a brief summary of how the E-PM2 matches up vs the TG-4 in the way of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus PEN E-PM2 & Olympus Tough TG-4. The full galleries are viewable at Olympus E-PM2 Gallery & Olympus TG-4 Gallery.

If you are aiming to lug around your camera regularly, you need to factor in its weight and measurements. The Olympus E-PM2 provides physical measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 269 grams (0.59 lbs) and the Olympus TG-4 has proportions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs).

Compare the Olympus E-PM2 versus Olympus TG-4 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you have at that moment. Below is the front view dimension comparison of the E-PM2 versus the TG-4.

Taking into consideration dimensions and weight, the portability grade of the E-PM2 and TG-4 is 89 and 90 respectively.

Sometimes, it can be difficult to see the difference between sensor measurements only by checking specs. The graphic below may offer you a greater sense of the sensor measurements in the E-PM2 and TG-4.

As you can plainly see, both the cameras posses the exact same megapixels but not the same sensor measurements. The E-PM2 includes the larger sensor which will make getting shallower DOF easier. The older E-PM2 is going to be disadvantaged with regard to sensor innovation.