The G means Giga, as in 4.5 Billion? I haven't seen it used that way before. I believe bots are unlikely to have four high-end cards though, due to my assumpti

The G means Giga, as in 4.5 Billion? I haven't seen it used that way before. I believe bots are unlikely to have four high-end cards though, due to my assumption that the nature of bots come from weak users therefore weak computers. Do you have a source for the capability of particular capacities to find passwords including botnets like my link?