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AMD Ryzen 7 1800X vs. Intel Core i7 7700K Linux Gaming Performance

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  • AMD Ryzen 7 1800X vs. Intel Core i7 7700K Linux Gaming Performance

    Phoronix: AMD Ryzen 7 1800X vs. Intel Core i7 7700K Linux Gaming Performance

    For those craving some Linux gaming benchmarks from the newly-released AMD Ryzen 7 1800X processor, here are some test results. In this initial comparison are benchmarks of the Ryzen 7 1800K to Core i7 7700K when running these processors at stock speeds while using a Radeon R9 Fury graphics card paired with AMDGPU+RadeonSI for the Linux graphics driver stack.

    http://www.phoronix.com/vr.php?view=24225

  • #2
    Linux gaming test were always fun, even if you just change... whatever

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    • #3
      I'm getting the impression that Ryzen-specific compiler optimizations may have a very strong potential (and/or utility functions optimized for Ryzen).

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      • #4
        Okay I have to say that premium subscriber feature of the "upcoming" article with the countdown is pretty cool, never noticed that before.

        On the topic, optimizations both for Ryzen in general and threaded performance for games can't come fast enough.

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        • #5
          Apparently AMD has suggested to disable SMT for gaming benchmarks - seems to have made a marked difference for some games on the Windows benchmarks I have seen. It would also be cool to see how it compares to the FX-8370 like the previous article

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          • #6
            it would be interesting to see ryzen up against broadwell-e in the linux gaming results. ryzen was never hyped to be an intel mainstream platform (skylake / kaby) competitor but rather a x99 competitor. so if clock for clock ryzen and broadwell-e are neck to neck then i call ryzen a huge success. in the general review you did it seems like ryzen was similar to broadwell-e and skylake (6600k / 6800k) in single threaded performance.

            i do want to note overall ryzen gaming results so far have been so contradictory it's baffling. i've seen so many reviews, benchmarks today, that its hard to wrap my head around it.

            then the possible causes... from performance issues could possibly be stemming from asus motherboards that i recently just read from techreport as many of these reviewers are running asus crosshair vi boards and seeing performance gains by switching to a gigabyte and asrock boards. level1 on youtube concluded the same point that a simple ufei update changed results so much they decided to holdout releasing benchmarks and threw them all out. advising viewers to take all the benchmarks this week from sites with a grain worth of salt.

            then you have amd claiming smt scheduling issues since for the longest time, for x86, intel has been the only one to release smt capable processors so most optimizations for smt are done for intel, not amd. followed by issues with windows power managment issues with balance reducing performance heavily compared to intel. which is interesting to note because on linux we can easily observe this with the ondemand vs performance governor results.

            then memory issues as well. level1 talked about timing and memory latency issues which can very well effect gaming performance. level1 mentioned how switching from a two dim kit to a four dim kit increased latency to 100ms!@ and timing issues with higher frequency kits such as reduced performance due to incorrect timings and stabilitly issues.

            syntethics and workstation class benchmarks show ryzen in a very postive light so something iffy is going on and honestly, it could very well be all the possible causes mentioned so far.

            imo, ryzen is suffering from growing pains and it be a month or two before we get a good light on its true gaming performance. as level1 put it, it seems like ryzen was a server class processor first, and gaming / mainstream processor second so its going to be some time before all the issues are ironed out.
            Last edited by middy; 03-02-2017, 09:32 PM.

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            • #7
              ATM there are some issues with Ryzen, such as memory controller not going above 2933mhz (its meant to be 3600), and other optimization issues. I expect in 6months these will start becoming on par with the 7700k, however its still not a gaming CPU so those who blindly pre-ordered for that purpose will be disappointed.

              The Ryzen CPU's also appear to be poor overclockers with most topping out BELOW 4.1ghz which is quite low, most intel cpu's can handle 4.4ghz without much sweat. Ryzen performs best doing workstation intensive work such as rendering etc... where its 16threads can be put to use. I suspected this might end up being the case.

              I do hope AMD can produce CPU's in the future that have the potential to reach even 4.5+ghz, that would be fantastic but perhaps out of reach for AMD atm?

              I sure hope we are not disappointed with the top VEGA card, Its basically going to be the Fury X on steroids which should be good?!?!
              Last edited by theriddick; 03-02-2017, 09:37 PM.

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              • #8
                Are those power consumption numbers just being taken at the wall or are they actually CPU power draw vs. system power draw?

                I'm asking because it's easy for the RyZen systems to show lower power draw numbers if they aren't properly feeding the GPU. The GPU is a bigger power consumer than the CPU in the first place, so those power numbers don't really mean a whole lot.

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                • #9
                  Originally posted by chuckula View Post
                  Are those power consumption numbers just being taken at the wall or are they actually CPU power draw vs. system power draw?

                  I'm asking because it's easy for the RyZen systems to show lower power draw numbers if they aren't properly feeding the GPU. The GPU is a bigger power consumer than the CPU in the first place, so those power numbers don't really mean a whole lot.
                  As always, it's overall system power draw being measured AC end via the WattsUp Pro.
                  Michael Larabel
                  http://www.michaellarabel.com/

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                  • #10
                    1800x doesn't compete with 7700k. it competes with 6900k(and utterly destroys it). for 7700k competition you have to wait for 4 core ryzens

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