In the US the phone will sell for $1,299 for the 256GB model and $1,399 for the 512GB model.
The 5G versions will go on sale on the same day as the standard versions and will be available for the Note 10 and Note 10+.
With the exception of 5G, phones want have any hardware advantage over the standard models. Note 10 Plus 5G will have the same 6.8-inch screen and the same camera setup.
Today the only reason not to buy a Note 10 5G is the availability of the 5G network. Also the companies around the world that have released 5G networks, its availability is very limited.