Olympus E-P3 vs Panasonic GM5

Lets look more closely at the Olympus E-P3 vs Panasonic GM5, both Entry-Level Mirrorless cameras by manufacturers Olympus and Panasonic. There is a sizable difference among the sensor resolutions of the E-P3 (12MP) and GM5 (16MP) but both cameras have the same sensor dimensions (Four Thirds).

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The E-P3 was brought out 4 years prior to the GM5 which is a fairly significant difference as far as camera tech is concerned. The two cameras have the same body design (Rangefinder-style mirrorless).

Before we go straight to a thorough comparison, here is a quick view of how the E-P3 matches up versus the GM5 in relation to portability, imaging, features and an overall mark.

The following is a preview of the gallery photos for Olympus PEN E-P3 & Panasonic Lumix DMC-GM5. The entire galleries are viewable at Olympus E-P3 Gallery & Panasonic GM5 Gallery.

When you are planning to travel with your camera regularly, you should think about its weight and size. The Olympus E-P3 provides physical dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") having a weight of 369 grams (0.81 lbs) and the Panasonic GM5 has specifications of 99mm x 60mm x 36mm (3.9" x 2.4" x 1.4") accompanied by a weight of 211 grams (0.47 lbs).

Look at the Olympus E-P3 vs Panasonic GM5 in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you choose at that time. Here is a front view size comparison of the E-P3 and the GM5.

Taking into consideration size and weight, the portability score of the E-P3 and GM5 is 86 and 91 respectively.

In many cases, its tough to see the difference in sensor dimensions simply by seeing technical specs. The pic below will provide you a better sense of the sensor sizes in the E-P3 and GM5.

As you can tell, the 2 cameras have the same sensor dimensions albeit not the same resolution. You can count on the Panasonic GM5 to show more detail having its extra 4 Megapixels. Higher resolution will make it easier to crop shots a bit more aggressively. The more aged E-P3 will be behind with regard to sensor innovation.