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Thread: News - AMD Tonga expected in R9 280 and R9 280X refresh next month

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    Bows out! CAT-THE-FIFTH's Avatar
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    Re: News - AMD Tonga expected in R9 280 and R9 280X refresh next month

    Quote Originally Posted by Xlucine View Post
    And if you look at the 750ti Vs the 650ti, the die has shrunk by 50%. Previously that section of the market was split between GK107 and GK106, now GM107 is higher in the lineup than GK107 was so it's a bigger part - this is not something that matters at all, especially with the large gulf in performance between the 650 and 750.

    Except the GK106 fully enabled with a 192 bit memory controller and all shaders is the GPU in the GTX660.


    Those despicable Elk,stealing the pond weed!

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    Senior Member Brewster0101's Avatar
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    Re: News - AMD Tonga expected in R9 280 and R9 280X refresh next month

    Quote Originally Posted by Denis_iii View Post
    Hope they support mantle and AMD's audio thing.
    Considering the investment in these, there would be no reason to even suspect AMD will drop these.

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    Re: News - AMD Tonga expected in R9 280 and R9 280X refresh next month

    Quote Originally Posted by Brewster0101 View Post
    Considering the investment in these, there would be no reason to even suspect AMD will drop these.
    They are using the Dresden fab to make the actually chips??


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    Re: News - AMD Tonga expected in R9 280 and R9 280X refresh next month

    Quote Originally Posted by watercooled View Post
    Comparing 750Ti to 650Ti isn't useful when comparing die size - the 750Ti is fully enabled, while the 650Ti was both the least-enabled and lowest-clocked GK106 part.
    My point was that overall die size comparisons between parts with very different numbers of processors were not really comparable, in reply to someone who thought that because GK107 was much smaller than GM107 that any high-end GM GPU's would be unmanufacturable

    GK106 - by a strange co-incidence - 0.23mm^2. As die size increases, the ratio of core:uncore changes. There's no magic. The transistor density is also fairly similar between the dies, if that was what you had in mind; they're still using the same node at the end of the day. (GM107 is slightly higher density, but it also has a higher ratio of cache on board, which is inherently higher density then core logic anyway)
    Good point

    I was being slightly ironic in a roundabout way with that line. My point wasn't that it makes the card hugely inefficient, merely that, as I said, people are making out how the efficiency is of such huge importance, then going out and buying a pre-OC card which adds little to performance, but reduces this "crucial" efficiency number...
    Add another 26W, which is fairly negligible in real terms, and get a 265; a considerably faster and cheaper card. Considering the price difference at launch, we worked out it would take a few years of fairly heavy gaming use, and with UK electricity prices, for the 750Ti to work out cheaper in terms of TCO.
    I won't pretend at all that the lower power usage has any part in the value of the card for the cards we're discussing, the only real benefit IMO for the lower power cards is less heat needs to be removed from your case (as in a ~20% reduction in the heat going through your GPU heatsink when comparing the 265 to the 750ti OC)

    Quote Originally Posted by CAT-THE-FIFTH View Post
    Except the GK106 fully enabled with a 192 bit memory controller and all shaders is the GPU in the GTX660.
    I should have made it clearer, when I mentioned performance I was comparing the GK107 650 vanilla to the cut-down GM107 750 vanilla (384 Vs 512 processors at about the same speed)

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