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Thread: AMD - Zen chitchat

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    Re: AMD - Zen chitchat


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    Re: AMD - Zen chitchat

    I'm having a hard time deciding if I should bite now, or wait for X499

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    Re: AMD - Zen chitchat



    It looks like X470 BIOSes are a tad immature currently and can be slower than X370 boards!! LOLWTFBBQ??

    Also it seems memory kits at the same speed can have massively different performance - upto 20% it seems!!


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    Re: AMD - Zen chitchat

    Quote Originally Posted by Corky34 View Post
    Nice, and very interesting.

    Anyone know if the 2400G is supposed to be able to do the new boosting on an X470 motherboard?

    Quote Originally Posted by CAT-THE-FIFTH View Post
    Also it seems memory kits at the same speed can have massively different performance - upto 20% it seems!!
    Corky's link has a benchmark where the 1700X is faster with 2400 ram than with 2933 ram. Modern memory is a bonkersly complex thing.

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    Re: AMD - Zen chitchat

    Quote Originally Posted by CAT-THE-FIFTH View Post
    It looks like X470 BIOSes are a tad immature currently and can be slower than X370 boards!! LOLWTFBBQ??

    Also it seems memory kits at the same speed can have massively different performance - upto 20% it seems!!
    Could that be down to the change in L2 cache timings, according to wikichips the original Ryzen had a problem where the L2 cache had a higher latency than it was designed to have and Ryzen 2 fixes that (Zen was apparently designed to run at 12 cycles but the original had a problem that caused it to run at 17).

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    Re: AMD - Zen chitchat

    Quote Originally Posted by DanceswithUnix View Post
    Nice, and very interesting.

    Anyone know if the 2400G is supposed to be able to do the new boosting on an X470 motherboard?
    Turbo boost is nice, but AMD really doesn't need so many names for it. The venn diagram looks something like:
    - All 2000 ryzens, any board: Precision boost 2
    - 2000X ryzens, any board: XFR 2
    - 2000X ryzens, 400 board: Precision boost overdrive

    https://hexus.net/tech/news/cpu/1160...ap-specs-leak/

    The 2400G is not an X chip, so it should get PB2 in any board and no XFR or PBO

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    Re: AMD - Zen chitchat

    I saw this posted on HUKD of all places:

    https://images.hotukdeals.com/commen...z/33636497.jpg



    That is quite a good increase in clockspeeds even under heavy load(around 300MHZ~400MHZ).


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    Re: AMD - Zen chitchat

    Quote Originally Posted by CAT-THE-FIFTH View Post
    That is quite a good increase in clockspeeds even under heavy load(around 300MHZ~400MHZ).
    Yeah that's a really nice improvement, should help a lot of modern games maybe including your favourite FO4 benchmarks.

    But I'm looking at quite an expensive refresh with a switch to DDR4 on a new platform, hence wondering if the 2400G is enough for me. They are quite a decent price atm and I can easily find a use for such a part in the future if I decide to upgrade.

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    Re: AMD - Zen chitchat

    Quote Originally Posted by DanceswithUnix View Post
    Yeah that's a really nice improvement, should help a lot of modern games maybe including your favourite FO4 benchmarks.

    But I'm looking at quite an expensive refresh with a switch to DDR4 on a new platform, hence wondering if the 2400G is enough for me. They are quite a decent price atm and I can easily find a use for such a part in the future if I decide to upgrade.
    I managed to get hold of 16gb of 2400mhz DDR4 for £56 last year so unless I get a good deal on faster RAM any platform upgrade I do will be using that. Also regarding FO4 the spectre/meltdown mitigations are definitely noticeable with worse minimums with my IB CPU.Having said that Bethesda hasn't patched the game for Ryzen at all despite them being an AMD partner - Starfield might use the same engine though so will see if they CBA with a newer game though.


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    Re: AMD - Zen chitchat

    Quote Originally Posted by CAT-THE-FIFTH View Post
    I managed to get hold of 16gb of 2400mhz DDR4 for £56 last year so unless
    Yeah, no need to keep rubbing that in

    Am looking at £170 for 16GB of 2666MHz ECC, 2400MHz isn't much cheaper. I think 5 years ago my entire CPU+RAM+motherboard update to Piledriver was well under £300

    But then I just bought one of the new Raspberry Pi 3B boards with a sense hat, so I could be doing a better job at saving money

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    Re: AMD - Zen chitchat

    Fallout 4 has been a pretty horribly optimised game from release as I recall?

    Memory pricing could be starting to go the right way though, hopefully! https://uk.camelcamelcamel.com/Corsa...context=search

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    Re: AMD - Zen chitchat

    Quote Originally Posted by DanceswithUnix View Post
    Yeah, no need to keep rubbing that in

    Am looking at £170 for 16GB of 2666MHz ECC, 2400MHz isn't much cheaper. I think 5 years ago my entire CPU+RAM+motherboard update to Piledriver was well under £300

    But then I just bought one of the new Raspberry Pi 3B boards with a sense hat, so I could be doing a better job at saving money
    Yeah,but any platform I get will be bottlenecked by the slowish RAM and yep,FO4 also likes fast RAM and fast storage too. My mate managed to get 3000MHZ DDR4 for not much more,which I wish I had done now!!


    Quote Originally Posted by watercooled View Post
    Fallout 4 has been a pretty horribly optimised game from release as I recall?

    Memory pricing could be starting to go the right way though, hopefully! https://uk.camelcamelcamel.com/Corsa...context=search
    Its OK,if you don't push the build system much,but if you do performance starts having issues,and it gets worse when you mod it. It also streams stuff off drives at a low but constant level,which is why the mitigations don't help too(especially if you mod the game). The problem is there are plenty of other games I could play instead,but building and modding is actually quite fun,a bit like Minecraft or KSP,so its kind of nice to play it in a casual way. Plus some of the mods are impressive TBH,even with proper voice acting and some large scale mods which are essentially new maps are being workd on. These are the same level of modders which did stuff like this with Skyrim:

    https://www.nexusmods.com/skyrim/mods/84946/

    Also,reading through an HUKD thread,PS2 seems to run better on Ryzen than IB,so it looks like its really FO4 which underperforms on Ryzen,so I suspect its really just Bethesda not bothering to patch it. Having said that I might just wait for Ryzen 2 as I would rather get an AMD system. Having said that if Ryzen+ shows good improvements,I might also consider it too.

    Having said that TR,apparently tests their Intel systems with all the security updates so at least their tests should be more indicative of a system someone actually owns.
    Last edited by CAT-THE-FIFTH; 15-04-2018 at 11:44 AM.


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    Re: AMD - Zen chitchat

    It looks like AMD has organised a new team with some veterans from the Zen project to help on the GPU side:

    https://wccftech.com/amds-secret-rad...n-2019-beyond/


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    Re: AMD - Zen chitchat

    Just wonder if MB out of the box work with new ryzens. Buying upgrade MB+2600x+RAM - just wonder if it will work straight out of the box?

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    Re: AMD - Zen chitchat

    Quote Originally Posted by not_my_ip View Post
    Just wonder if MB out of the box work with new ryzens. Buying upgrade MB+2600x+RAM - just wonder if it will work straight out of the box?
    Depends on the motherboard, if you ask the e-tailer to flash to latest BIOS it should work fine out of box reliably

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    Re: AMD - Zen chitchat

    A comparison of the Ryzen 7 1700 and Ryzen 7 2700X at 4GHZ:

    https://www.youtube.com/watch?v=BjlN4C658es









    Some good IPC improvements in games,and it might be partly down to the improved cache latencies??

    The Ryzen 7 2700X was run in an X370 motherboard.
    Last edited by CAT-THE-FIFTH; 17-04-2018 at 01:29 PM.


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