17 Sep
2010
17 Sep
'10
3:45 p.m.
On Fri, Sep 17, 2010 at 7:53 PM, Lie Ryan
It depends. Updating 800x600 screen at 24-bit color 30 times per second requires 800*600*24*30 = 345600000 bytes/s = 329 MB/s which is larger than the size of typical Video Memory, and the first version of PCI Express (introduced 2003) is only 250 MB/s/lane.
Hold on, don't GPUs typically use 16 lanes? -- Svein Ove Aas