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AMD 1090FX and 1070 Chipsets Disclosed, No PCI Express 3.0

btarunr

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#26
since when have they not increased trasistors on each gen?

the best example of what cdwall was saying is 775 compared to 1366, lower nm, higher wattage and higher heat.

a die shrink doesn't equate to heat output most of the time these days.
We're talking about AMD 790/890/990 northbridge chip here. The "gen" here didn't change, just the fab process. So it's an optical shrink. The transistor count is the same.

If you want an example of optical shrinks, don't look at Intel CPUs, look at NVIDIA GPUs. Clock-for-clock, G92b (55 nm) was cooler and drew less power than G92 (65 nm). There were no transistor count changes between them.
 
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#27
Isn't AMD practically shooting itself in the foot by not offering PCI-E 3.0 on their motherboards, all the while using PCI-E 3.0 support to market their next-gen 7000-series graphics cards?
 
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#28
Very curious about the lack of PCIE 3.0. Don't think it really matters personally, but if they going to make GPUs that use it why not make motherboard chipsets that support it?
Since the HD 7xxx series are certainly going to use ( the largely superfluous for graphics) PCI-E 3.0 as a major bullet-point in the selling of the cards, it should lead to some interesting disclaimers:

HD 7970 PCI-E 3.0*

* Requires PCI-E 3.0 compliant (Intel chipset) CPU and motherboard

Red = Font size 0.5......micron

Does this mean that AMD's future batches of slide decks for graphics will all be based on numbers from SB-E equipped systems ?
 
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#29
Isn't AMD practically shooting itself in the foot by not offering PCI-E 3.0 on their motherboards, all the while using PCI-E 3.0 support to market their next-gen 7000-series graphics cards?
most of it is rumours

March/April timeline will probably hear more about the X90FX/X70 boards
 
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faramir

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#30
Isn't AMD practically shooting itself in the foot by not offering PCI-E 3.0 on their motherboards, all the while using PCI-E 3.0 support to market their next-gen 7000-series graphics cards?
Not really because they are most certainly out of ammo by now, having only just recently emptied their entire magazine into both knees and ankles ...
 
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#31
I doubt the NB would be shrunk to 40nm; the SB may be, but not the NB. The NB is already really small at 55nm (<100mm2) so it probably would be limited by IO density if it was shrunk. Plus, since it would have no new features, why bother with the R&D?
 

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#32
why the confusing name?


1090FX sounds like a new replacement for the 1090T CPU
 
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#33
Well, they woukl have to get to the 1000s eventually, don't they? And you can't buy an 1090FX chipset by itself anyways.
 

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#34
I wonder if they are going to try and sell these boards in advance like the 9xx boards, by telling everyone their next chips will be kickass.

I've heard many stories already of people selling their 990 boards because BD came out and is worse than SB so they want an SB system
 
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#35
Wonder if the socket will be LGA ?
 

faramir

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#37
Well, they woukl have to get to the 1000s eventually, don't they? And you can't buy an 1090FX chipset by itself anyways.
They could always start over somewhere else - say with "Scorpius 1" or something similar that makes it clear what the chipset is aimed at.

When NVidia got to high 9000s they went to 200-something numbering. When ATI got to high 9000s, they first weny to X-something ('X' being the roman numeral 10) and then to 1000-something in the next generation.
 

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#38

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#39
The reason these chips don't support PCIe3 is because they can't. Fusion could, but with the classic CPU <---HT---> NB <---PCIe---> SB, HT has become the bottleneck. AMD could cheat and integrate PCIe3 anyways, but wouldn't achieve the full PCIe3 x16 speed. *cough* *Intel* *cough*
I still don't see why they don't just ditch AM3+ altogether and go FM2 all the way. Piledriver on AM3+? I just don't get it.