wasnt there a news item about faster gddr5 a 4 or 5 months ago?
wasnt there a news item about faster gddr5 a 4 or 5 months ago?
All along the watchtower the watchmen watch the eternal return.
7Gbps GDDR5 was "introduced" 3 years ago next week and we still haven't seen it on any AMD or Nvidia product.Originally Posted by STEvil
8Gbps GDDR5 was "announced" this summer. I doubt we will see it in the next year or so.
Originally Posted by motown_steve
Every genocide that was committed during the 20th century has been preceded by the disarmament of the target population. Once the government outlaws your guns your life becomes a luxury afforded to you by the state. You become a tool to benefit the state. Should you cease to benefit the state or even worse become an annoyance or even a hindrance to the state then your life becomes more trouble than it is worth.
Once the government outlaws your guns your life is forfeit. You're already dead, it's just a question of when they are going to get around to you.
Can the Memory Controllers on the chips actually operate at those frequencies though? I believe that is where the biggest hurdle lies to date, although I don't know how high AMD can get theirs to run error free.
That does seem to be the problem.
Nvidia had trouble just getting their memory controllers to work at 4Gbps.
AMD had to beef up/tweak their MCs to hit over 4.2Gbps. If I can remember correctly, I am a little sleep deprived right now, I believe in an interview an AMD employee said that they used Redwood's MC in Barts and they are about half the size of Cypress'. Gets you thinking about how much larger Cayman's MCs are compared to Cypress' for only 15% higher bandwidth.
They could just tweak Redwood's MC, stay at the same clocks and with a 384bit bus get a 15% increase in bandwidth over Cayman.
Originally Posted by motown_steve
Every genocide that was committed during the 20th century has been preceded by the disarmament of the target population. Once the government outlaws your guns your life becomes a luxury afforded to you by the state. You become a tool to benefit the state. Should you cease to benefit the state or even worse become an annoyance or even a hindrance to the state then your life becomes more trouble than it is worth.
Once the government outlaws your guns your life is forfeit. You're already dead, it's just a question of when they are going to get around to you.
The memory controllers used so far... with a lot of difficulty ( as explained by LordEC911 ), but on top 7000 range, GCN have should have a new memory controller, completely different as all the "memory system " will have x86 support " + will be capable of a virtual memory space with the system memory. ( and a lot more ) .
On the slide we have seen this summer, it was pretty clear all the " memory part " is redesigned, so the memory controller.
We will need to wait for see the spec and the cores, offcourse..
But GDDR5 at thoses speed, have an higher TDP, this could well have his weight in the balance too ( remember what was say about the GDDR5 TDP on the 6970 when released )
Sadly i have not keep all the slide but well..
Last edited by Lanek; 11-18-2011 at 09:58 AM.
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