Olympus E-P1 vs Panasonic G1

The following is a in depth comparison of the Olympus E-P1 vs Panasonic G1, both Entry-Level Mirrorless cameras by rivals Olympus and Panasonic. The sensor resolution of the E-P1 (12MP) and the G1 (12MP) is fairly close and they come with the exact same sensor measurements (Four Thirds).

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The E-P1 was announced 7 months after the G1 so they are of a similar generation. Both the cameras come with different body type with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Panasonic G1 being a SLR-style mirrorless camera.

Before delving straight into a comprehensive comparison, below is a brief summary of how the E-P1 scores versus the G1 when considering portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus PEN E-P1 and Panasonic Lumix DMC-G1. The whole galleries are available at Olympus E-P1 Gallery and Panasonic G1 Gallery.

When you are looking to travel with your camera often, you are going to need to factor its weight and volume. The Olympus E-P1 offers outside measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") accompanied by a weight of 355 grams (0.78 lbs) and the Panasonic G1 has sizing of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") and a weight of 360 grams (0.79 lbs).

Contrast the Olympus E-P1 vs Panasonic G1 in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at the time. Following is the front view over all size comparison of the E-P1 and the G1.

Factoring in size and weight, the portability score of the E-P1 and G1 is 86 and 82 respectively.

Generally, it is difficult to envision the contrast in sensor dimensions simply by researching technical specs. The picture underneath will provide you a far better sense of the sensor sizing in the E-P1 and G1.

As you can tell, the two cameras posses the exact same sensor measurements and the exact same resolution so you should expect comparable quality of files but you should always take the production date of the cameras into account. The more modern E-P1 will have an advantage in sensor innovation.