Olympus E-P3 vs Panasonic GH4

Its time to look more closely at the Olympus E-P3 and Panasonic GH4, one is a Entry-Level Mirrorless and the latter is a Pro Mirrorless by competitors Olympus and Panasonic. There exists a big gap between the image resolutions of the E-P3 (12MP) and GH4 (16MP) but both cameras offer the same sensor sizing (Four Thirds).

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The E-P3 was introduced 3 years prior to the GH4 which is quite a big gap as far as technology is concerned. The two cameras have different body design with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Panasonic GH4 being a SLR-style mirrorless camera.

Before delving right into a thorough comparison, here is a simple overview of how the E-P3 grades versus the GH4 with respect to portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Olympus PEN E-P3 and Panasonic Lumix DMC-GH4. The whole galleries are available at Olympus E-P3 Gallery and Panasonic GH4 Gallery.

For those who are going to travel with your camera regularly, you'll need to factor its weight and measurements. The Olympus E-P3 offers exterior dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") accompanied by a weight of 369 grams (0.81 lbs) and the Panasonic GH4 has proportions of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") and a weight of 560 grams (1.23 lbs).

Check the Olympus E-P3 and Panasonic GH4 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have at that time. Here is a front view measurements comparison of the E-P3 and the GH4.

Looking at dimensions and weight, the portability grade of the E-P3 and GH4 is 86 and 66 respectively.

Normally, it's difficult to visualize the difference between sensor dimensions only by reviewing specifications. The pic underneath will provide you a far better sense of the sensor dimensions in the E-P3 and GH4.

Plainly, both the cameras have the same sensor dimensions albeit different MP. You should count on the Panasonic GH4 to offer you more detail using its extra 4MP. Higher resolution will also let you crop shots a bit more aggressively. The more aged E-P3 is going to be disadvantaged in sensor technology.