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AMD Tahiti GPU Specifications Compiled

btarunr

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#1
If the word on the optical fibers is true, we are less than a month away from the launch of AMD's next high-end graphics card family based on its next high-performance GPU, codenamed "Tahiti". According to 3DCenter, AMD will launch new graphics card models based on this GPU around January 10, 2012. It is expected that we'll learn a lot more about these GPUs, maybe even come across AIB-branded graphics cards, at the upcoming CES event.

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#2
I'll disregard all of this, how ever I'm interested to find out about the architecture changes if they have done it.
 

enaher

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#3
Nice can't wait to see performance.
 

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#4
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#6
Is it me, or 240-264GBps can't be achieved with memory under 1250 GDDR5 on 384 bit?
 
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#7
7 am in the morning is to late ( not slept yet) to have read that XD

Have to research more things now but am to tired.

Does sound very interesting though can't wait to see bench marks now, specifically open cl bench marks XD
 

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#8
Be crazy if they release a mid range tahiti model with the xdr2 or w/e or release a top model with 512 bit bus
 
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#10
Is it me, or 240-264GBps can't be achieved with memory under 1250 GDDR5 on 384 bit?
you are so correct.
1250 (5000) x 256bit = 160GBps
1250 (5000) x 384bit = 240GBps
 
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#12
Do we subtract 800 million transistors off of the press release?
 
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#13
Do we subtract 800 million transistors off of the press release?
it all depends on how they perform against their current cards and the competition. XD
 
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#14
I read somewhere we should expect 40% better performance with these new cards.
 

Tenxu24

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#15
one question guys, if anyone knows anything about using amd 7900 the standard pcie 2.0 or 3.0?
 

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#16
one question guys, if anyone knows anything about using amd 7900 the standard pcie 2.0 or 3.0?
3.0, which will have no impact on performance
 
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#17
another thing, isn't 2500/2750 GDDR3 exactly the 1200/1375 needed to reach the specked bandwidth, and very same frequencies used in the 6900 serie
 
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#18
I read somewhere we should expect 40% better performance with these new cards.
cannot expect anything more from the specs, can we?


another thing, isn't 2500/2750 GDDR3 exactly the 1200/1375 needed to reach the specked bandwidth, and very same frequencies used in the 6900 serie
yep
 

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#19
Upto 60% perfomance gain....single HD 7970 card could be faster than the dual GPU monster that is the HD 6990 :eek:
 
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#20
Upto 60% perfomance gain....single HD 7970 card could be faster than the dual GPU monster that is the HD 6990 :eek:
I highly doubt it but will have to wait and see.. :wtf:
 

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Tenxu24

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#22
3.0, which will have no impact on performance
Thank you. I wonder if anyone knows if the graphics card pcie 3.0 will be compatible with PCIe 2.0 motherboards? If so, you would lose the potential of graphics cards to put in a PCIe 2.0?
 

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#23
of course:)
 

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#24
Thank you. I wonder if anyone knows if the graphics card pcie 3.0 will be compatible with PCIe 2.0 motherboards? If so, you would lose the potential of graphics cards to put in a PCIe 2.0?
it will run just as fast in a 2.0 slot.

in a 1.0 slot it will be a few percent slower, maybe 10% tops
 

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