The manufacturing process used to create the chip that powers
this board. Expressed in terms of nanometers. In general, the
lower this number is, the newer the process is. Smaller
processes can fit more transistors in less space, and generally
produce less heat and consume less power all while providing
higher overclocking headroom. This number refers only to the
main GPU on a video card. Other chips on the board (including
the memory) will have completely different characteristics. Does
It Matter? No, not really. Most you can really tell from this
number is how new a chip is and perhaps how much overclocking
headroom you can expect out of it (given that a certain process
tends to top out a certain speed). Since video card
manufacturers are "fab-less" companies (i.e. they don't own
their own fabrication plants), they must choose between various
other fabrication companies to make their chips for them, and
then choose different fabrication techniques from these
companies. The size of the process is not the onl