Olympus E-1 vs Panasonic GM1

Here is a detailed analysis of the Olympus E-1 and Panasonic GM1, one being a Pro DSLR and the other is a Entry-Level Mirrorless by manufacturers Olympus and Panasonic. There is a huge difference between the resolutions of the E-1 (5MP) and GM1 (16MP) but they possess the exact same sensor measurements (Four Thirds).

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The E-1 was revealed 11 years earlier than the GM1 and that is quite a significant gap as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-1 being a Large SLR camera and the Panasonic GM1 being a Rangefinder-style mirrorless camera.

Before going straight into a complete comparison, below is a short summary of how the E-1 matches up versus the GM1 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus E-1 and Panasonic Lumix DMC-GM1. The full galleries are viewable at Olympus E-1 Gallery and Panasonic GM1 Gallery.

For anyone who is looking to carry your camera, you will want to take into account its weight and measurements. The Olympus E-1 offers exterior measurements of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 735 grams (1.62 lbs) whilst the Panasonic GM1 has proportions of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") accompanied by a weight of 204 grams (0.45 lbs).

Check the Olympus E-1 and Panasonic GM1 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that time. Here is the front view physical size comparison of the E-1 versus the GM1.

Using size and weight, the portability score of the E-1 and GM1 is 59 and 93 respectively.

Oftentimes, it's tough to picture the contrast between sensor sizing merely by reading technical specs. The visual below might give you a much better sense of the sensor measurements in the E-1 and GM1.

As you have seen, both of those cameras have got the exact same sensor measurements but different resolution. You should expect to see the Panasonic GM1 to offer more detail because of its extra 11MP. Greater resolution will enable you to crop images much more aggressively. The older E-1 is going to be disadvantaged with regard to sensor innovation.