Olympus E-PM1 vs Panasonic G1

Below is a thorough assessment of the Olympus E-PM1 and Panasonic G1, both Entry-Level Mirrorless digital cameras by brands Olympus and Panasonic. The sensor resolution of the E-PM1 (12MP) and the G1 (12MP) is very well matched and they possess the same exact sensor sizing (Four Thirds).

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The E-PM1 was announced 2 years later than the G1 and that is quite a significant difference as far as tech is concerned. Both cameras offer different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Panasonic G1 being a SLR-style mirrorless camera.

Before we go straight into a thorough comparison, below is a simple highlight of how the E-PM1 scores against the G1 with regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Olympus PEN E-PM1 & Panasonic Lumix DMC-G1. The whole galleries are provided at Olympus E-PM1 Gallery & Panasonic G1 Gallery.

If you're intending to lug around your camera frequently, you have to factor in its weight and dimensions. The Olympus E-PM1 has got exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 265 grams (0.58 lbs) while the Panasonic G1 has dimensions of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") along with a weight of 360 grams (0.79 lbs).

Examine the Olympus E-PM1 and Panasonic G1 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you are using at that time. The following is the front view physical size comparison of the E-PM1 against the G1.

Taking into account size and weight, the portability grade of the E-PM1 and G1 is 89 and 82 respectively.

Usually, it can be tough to envision the contrast between sensor measurements only by reading through technical specs. The visual below may provide you a more clear sense of the sensor sizing in the E-PM1 and G1.

As you have seen, both of the cameras enjoy the same exact sensor sizing and the exact same resolution therefore you can expect similar quality of pictures but you should always factor the age of the products into consideration. The fresher E-PM1 is going to have an edge with regard to sensor tech.