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[PCGH] Maxwell GTX 880 specifications leaked - Page 35  

post #341 of 481
GDDR6 would be the sex, though i kinda doubt we are going to see it on V1 Maxwell. Maybe second run.
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post #342 of 481
Your speculations brings me back to the original leaks... I agree that 3200 cores seems a tad far fetched for the GM104/204. Especially since the GM107 is only 640 cores. I'd expect 2560 for the GM104 and that to be used for the GTX 880. This would fall in line with my expectation for the GM110/210 to be delayed until around a year after the 104/204.

But, here's the big but: This ALL assumes that nvidia still uses the same numbering scheme as with kepler... That means

110>104>106>107>108

There is always the possibility that they change this, but if it does carry over I'd expect the following (i named these 2xx chips because they would be 20nm rather than the 28nm 1xx chips)

107/208 - 640 Cudas, 128-bit
207 - 1280 Cudas, 192-bit
206 - 1920 Cudas, 192-bit (256-bit?)
204 - 2560 Cudas, 256-bit (320-bit?)
210 - 3200 Cudas (3840?), 384-bit

Now that I think about it a 3200 shader GM204 seems quite plausible, especially when considering the performance gap between the GK104 and GK106... This would leave the problem that 3200 cores is a LOT, and it will almost certainly make the GM204 larger than the GK104, which is a possibility, but it starts invading into the space of the GM210, unless somehow they can produce 600sqmm+ chips.

Either way, seeing the performance out of the GM107 I'd be perfectly happy with a 2.5k shader maxwell card, it would definitely be up there with the 780 Ti as far as performance. Also, I wonder how memory starved the GM107 is, and if the next 640 shader card will have a 192-bit bus. If so, I'd be pretty certain that a 2560 shader GM204 will have at least a 320-bit bus.
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post #343 of 481
most interesting thing i found about GDDR6
Quote:
Chipmaker AMD, that contributed a lot to the GDDR memory standard, has made the first steps towards GDDR6 memory by contributing to the JEDEC group on the new memory standard, which manages memory chip standards on GDDR. It is expected that the faster and more efficient GDDR6 chips will be appearing from 2014 onward in Nvidia and AMD video cards. The new memory chip standard is expected to be used at least until the year 2020, the same time period as GDDR5. I’m very curious of what we can expect from the upcoming GDDR6 video cards.

Sure is that GDDR6 video cards will be a lot faster and more energy efficient, which alone will let us do things on our computers we can not do as consumers today. As video cards will be able to go far beyond the capabilities of GDDR5 memory, clock speeds of 12GHz and beyond do not seem that far fetched for future GDDR6 based video cards.
post #344 of 481
Quote:
Originally Posted by DADDYDC650 View Post

256-bit? Hope not otherwise I'll wait at least 8 months after release to buy a GTX 880. By that time there will be a GTX 880 Super TI Mega Edition with 12GB.

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post #345 of 481
Quote:
Originally Posted by kx11 View Post

most interesting thing i found about GDDR6

12GHz seems pretty far fetched based on my knowledge of physics (not much)
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post #346 of 481
Quote:
Originally Posted by GorbazTheDragon View Post

12GHz seems pretty far fetched based on my knowledge of physics (not much)

Remember that 12GHz is the effective clock; the actual clock would be 4GHz.
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post #347 of 481
was browsing around and doing my thing and suddenly holy crap batman..

GTX860M Maxwell compute at 5.0?? Warning: Spoiler! (Click to show)
HQ19mco5.png
x9F8ioDV.png

Death of Titans.
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post #348 of 481
doesn't that seem a bit strange that 860m has compute 5.0 but 880m does not?

8xx better have a "titan killer" or erlse nvidia is doing it wrong.
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post #349 of 481
Quote:
Originally Posted by skupples View Post

doesn't that seem a bit strange that 860m has compute 5.0 but 880m does not?

8xx better have a "titan killer" or erlse nvidia is doing it wrong.

880M is Kepler Rebrand. 860M is Maxwell.
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post #350 of 481
Quote:
Originally Posted by ZealotKi11er View Post

880M is Kepler Rebrand. 860M is Maxwell.

doh.gif

Yeah! Totally not confusing or un-intuitive @ all!
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