Do not use the closed source drivers for anything modern. Instead try and download the latest open source drivers and Vulkan. You can check these links
https://linuxconfig.org/install-and-test-vulkan-on-linux#h4-install-vulkan...
I don't know if it's a standard mathematical model like MTBF but most probably it's a probabilistic model that's used to arrive at the TBW number such that a certain proportion of units will survive at least that many writes.