Quote:
Originally Posted by JohnLai View Post
Thus, technically, Nvidia sold us a gpu with effective 208bit width for the first 3.5gb with physical 256bit width memory controller (which is usefull for data stored at GPU L2 cache).
Quote:
Originally Posted by CPC_RedDawn View Post
Basically the first 3.5GB of VRAM has a 208bit bus, and the remaining 0.5GB of VRAM has a 48bit bus. 208+48=256bit bus. So technically they are not lying but they sure as hell as misleading customers.
Quote:
Originally Posted by nanogenesis View Post
A few posts back, @gtx980 wondered why a gtx970 was getting ~150gb/s in the dram bench and the gtx980 got 175gb/s.
I now have an answer for this. Let us assume it runs at 6ghz memory clock on the gtx970 and 980.
208bit bus @ 6ghz = 156gb/s
48bit bus @ 6ghz = 36gb/s
And with that. I'm done. Good luck to all finding a fix/solution/answer. I'm officially done.
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