Samsung is definitely not alone in the zoom zoom business. From the 50X digital zoom of the Huawei and 60X on Oppo Reno 10x, technology has evolved so fast that we should be expecting better image quality.
A member of the FB has posted his first experience with the zooming capabilities of the Samsung Note 20 Ultra. From what we see, the Digital zoom is pretty decent. The pictures are taken at Ultra Wide, 1x to 50x.
Other models that have Digital zoom that we have tested includes the Huawei P40 Pro. You can see how if pictures taken at 50X are of reasonable quality. Click the link below to view.
Another phone that has 60X Digital zoom is the Oppo 10x Zoom