Fujifilm GFX 100 vs OM System OM-1

In this article, we will be looking at the Fujifilm GFX 100 versus OM System OM-1, both Pro Mirrorless cameras by competitors FujiFilm and Olympus. There is a sizable difference among the sensor resolutions of the Fujifilm GFX 100 (102MP) and OM System OM-1 (20MP) and the Fujifilm GFX 100 (Medium format) and OM System OM-1 (Four Thirds) come with different sensor sizes.

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The Fujifilm GFX 100 was unveiled 3 years earlier than the OM System OM-1 and that is a fairly significant difference as far as camera tech is concerned. Each of the cameras offer the identical body type (SLR-style mirrorless).

Before delving through a full comparison, below is a brief summary of how the Fujifilm GFX 100 grades vs the OM System OM-1 with regards to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Fujifilm GFX 100 & OM System OM-1. The full galleries are available at Fujifilm GFX 100 Gallery & OM System OM-1 Gallery.

In case you're looking to lug around your camera frequently, you'll need to consider its weight and proportions. The Fujifilm GFX 100 offers exterior measurements of 156mm x 144mm x 75mm (6.1" x 5.7" x 3.0") with a weight of 1320 grams (2.91 lbs) and the OM System OM-1 has measurements of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") and a weight of 599 grams (1.32 lbs).

Take a look at the Fujifilm GFX 100 versus OM System OM-1 in our completely new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you are utilising at that time. Below is the front view measurements comparison of the Fujifilm GFX 100 against the OM System OM-1.

Taking into consideration size and weight, the portability grade of the Fujifilm GFX 100 and OM System OM-1 is 52 and 65 respectively.

Usually, it is very difficult to imagine the gap in sensor measurements purely by viewing technical specs. The photograph below might offer you a clearer sense of the sensor measurements in the Fujifilm GFX 100 and OM System OM-1.

As you can tell, both of these cameras offer different megapixel count and different sensor measurements. The Fujifilm GFX 100 using its bigger sensor is going to make achieving shallower depth of field simpler and the Fujifilm GFX 100 will provide you with extra detail having an extra 82 Megapixels. Higher resolution will make it easier to crop shots a little more aggressively. The older Fujifilm GFX 100 will be disadvantaged in sensor technology.