High bandwidth memory (HBM) has always lived up to its name, it just has not been as widely adopted in mainstream graphics cards as GDDR memory chips. Maybe that will change when HBM3 arrives. Regardless, whatever products do end up getting the HBM3 treatment will see a big jump in bandwidth, according to some figures shared by South Korean

Source: Hot Hardware – SK Hynix Next-Gen HBM3 Memory Primed To Deliver A Blistering 665GB/s Of Bandwidth