Olympus E-P1 vs Panasonic GX1

The following is a complete comparison of the Olympus E-P1 and Panasonic GX1, both Entry-Level Mirrorless digital cameras by companies Olympus and Panasonic. There is a huge difference between the image resolutions of the E-P1 (12MP) and GX1 (16MP) but both cameras provide the same sensor sizes (Four Thirds).

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The E-P1 was revealed 3 years prior to the GX1 which is quite a significant gap as far as tech is concerned. Both cameras have the same body design (Rangefinder-style mirrorless).

Before delving straight to a detailed comparison, here is a brief view of how the E-P1 matches up versus the GX1 when it comes to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus PEN E-P1 and Panasonic Lumix DMC-GX1. The full galleries are provided at Olympus E-P1 Gallery and Panasonic GX1 Gallery.

If you are aiming to travel with your camera often, you will need to think about its weight and proportions. The Olympus E-P1 provides outer measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") with a weight of 355 grams (0.78 lbs) while the Panasonic GX1 has measurements of 116mm x 68mm x 39mm (4.6" x 2.7" x 1.5") and a weight of 318 grams (0.70 lbs).

Check the Olympus E-P1 and Panasonic GX1 in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at that moment. Following is a front view over all size comparison of the E-P1 compared to the GX1.

Taking into consideration size and weight, the portability rating of the E-P1 and GX1 is 86 and 87 respectively.

In many cases, it's difficult to picture the difference between sensor dimensions only by going over technical specs. The image below will help provide you a far better sense of the sensor measurements in the E-P1 and GX1.

As you can tell, both cameras have the same sensor dimensions but different megapixels. You should expect to see the Panasonic GX1 to offer you extra detail because of its extra 4 Megapixels. Greater resolution will also enable you to crop images a bit more aggressively. The more aged E-P1 is going to be behind in sensor tech.