Not even two years ago, the idea of a mirrorless medium format camera felt like something completely out of reach. Then, out of the blue, Hasselblad announced the X1D system and only a few months later, Fujifilm followed suit with the GFX. The latter has been more successful overall, in part because it is priced more competitively than the X1D and in part due to the popularity of the Fujifilm X-series.

On the other hand, we have Sony which is not only known for its cameras but also its sensors. One of the best 35mm chips ever made powers the A7r III but the company, being the largest image sensor manufacturer in the world, also produces sensors for other brands, including Fujifilm. The 50s sensor is also used by Hasselblad, PhaseOne and Pentax, although Fuji claims that the one inside the GFX comes with some tweaks.
…
Read full post here:
https://mirrorlesscomparison.com/sony-vs-fujifilm/sony-a7riii-vs-fuji-gfx-50s/#jp-carousel-8478