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13-Way Radeon Graphics On Ubuntu 14.04 LTS

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  • #21
    Originally posted by peppercats View Post
    Do you have any idea how it(the 265) would compare to the nvidia GTX 660 with the binary blob by chance?
    I don't know but given the HW data I have on them and the results of:
    http://www.phoronix.com/scan.php?pag...ty_30way&num=1
    and
    http://www.phoronix.com/scan.php?pag...0_source&num=1

    I will extrapolate that they have pretty the same performance.

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    • #22
      Interesting to see there are some great performance wins for radeon in Xonotic High test when compared with fglrx from january . Seems like 7850 and 6870 with radeon there has nearly double performance


      http://openbenchmarking.org/prospect...a2eae41ba1df4b

      http://www.phoronix.com/scan.php?pag...eri_gpus&num=3
      http://openbenchmarking.org/prospect...a2eae41ba1df4b

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      • #23
        Originally posted by Ericg View Post
        Damaged card maybe? Bad vBIOS?
        I wasn't able to find any benchmarks with the 260X and 3.14 kernel, so this must have been something Michael encountered at some other point. Could be a red herring, I guess, or maybe he's talking about the performance regressions (HyperZ ?) he covered recently, although if that were the case then 260X would still be much much faster than what we see here..

        Assuming Ubuntu 14.04 didn't pick up the CI dpm fixes from the 3.14 kernel the performance in this article isn't out of line, so all we're talking about is Michael's comment about seeing similar issues with the 3.14 kernel. That's the part that doesn't sound right, without more details we're really just all guessing at the moment.

        We know from the Kaveri benchmarks that enabling dpm on CI makes the expected difference in performance.

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        • #24
          @bridgman
          (Unrelated to the news)
          "CIK" stands for the Sea Islands series? Why this name?
          I guess the "CI" is for "Sea Islands" and because "SI" was already used for "Southern Islands". What does the "K" means?

          The Radeon codename are quite odd today...

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          • #25
            @whitecat

            I think it was C for Sea Islands (CI), I for Indus (platform name for Kaveri), K for Kerala (platform name for Kabini). Something like that.
            http://www.phoronix.com/forums/showt...423#post401423

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            • #26
              Originally posted by bridgman View Post
              I guess, but there probably weren't a lot of naming options for a card that falls between 260X and 270 in performance. Calling it the "270 Lite" probably wouldn't fly.

              The number seems more reasonable if you look at it as a performance metric rather than a GPU die identifier, of course.
              That does make sense. Though I still don't get why it was necessary to use NVIDIA's "Ti" notation (just translated to "X") in the first place. Why not 260, 261, 265 and 270 or such?

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              • #27
                I remember seeing on TV that people generally prefer product names with an "X" in them

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                • #28
                  Originally posted by dungeon View Post
                  Thank you!

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                  • #29
                    Most funnier name for me was Radeon X1950 XTX .

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                    • #30
                      Originally posted by dungeon View Post
                      Most funnier name for me was Radeon X1950 XTX .
                      Hopefully, at that time Sapphire hasn't yet released their Vapor-X series

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