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GEForce GTX 1660 Ti in PCI-E 2.0 slot

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pcdorney
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2019/09/26 12:10:09 (permalink)
Hi,
 
Slowly upgrading my machine.  I still have an older motherboard (Gigabyte EX58-UD5) but I just upgraded to a GEForce GTX 1660 Ti (my old card died which made upgrading the video card the next thing).  How much of an effect will the PCI-E 2.0 slot have on the performance of the GTX 1660 Ti?  I only have a 1080p monitor (no 4K).
 
Thanks,
Peter
post edited by pcdorney - 2019/09/26 12:16:22
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    GTXJackBauer
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/26 12:41:13 (permalink)
    pcdorney
    Hi,
     
    Slowly upgrading my machine.  I still have an older motherboard (Gigabyte EX58-UD5) but I just upgraded to a GEForce GTX 1660 Ti (my old card died which made upgrading the video card the next thing).  How much of an effect will the PCI-E 2.0 slot have on the performance of the GTX 1660 Ti?  I only have a 1080p monitor (no 4K).
     
    Thanks,
    Peter




    At that resolution, none really.  That GPU should eat up anything at 1080p, in PCIe 2.0.

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    Cool GTX
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/26 13:49:24 (permalink)
    I agree - Should not be an issue @ 1080
     
    PCIe 2.0 vs PCIe 3.0 ---> around 7% -10% performance drop
     
    PCI Express 3.0 vs. 2.0: Is There a Gaming Performance Gain?
     
    PCI Express 2.0 vs 3.0 GPU Gaming Performance Review

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    DeadlyMercury
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/27 04:15:10 (permalink)
    Well, but maybe it is not only about pcie2.0, but also about platform and chipset itself.
    Here is my story: I had old PC on P67 with 2600k and gtx1080. And I upgraded it to z390+9900k+2080ti. And this upgrade is doubled both cpu and gpu performance:

     
    As for cpu part - it is very simple and clear: I had 4 cores (no HT) @5ghz before and 8 cores (no HT) @5ghz after; if I enable HT on 9900k - I can double cpu score again. 
    But gpu part is a bit of surprise: it should be +50-70%, but actually it is +100%. And not just +100% - it is 1080 max power limit with little overclock vs stock 2080ti! If I push powerlimit to max and get a little overclock like it was on 1080 - I am getting this:

    (and up to 16000 with better overclock like +105)
    It is actually +115%.While gpu itself has only +70% - so other 30-40% is should be pcie2.0 and P67 or sandy bridge pcie controller. And this is not 4k - this is 1920*1200 (while 3dmark tests works as 1920*1080).
    post edited by DeadlyMercury - 2019/09/27 04:19:27

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    kevinc313
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/27 06:18:59 (permalink)
    DeadlyMercury
    As for cpu part - it is very simple and clear: I had 4 cores (no HT) @5ghz before and 8 cores (no HT) @5ghz after; if I enable HT on 9900k - I can double cpu score again. 

     
    Can you go into more detail on your MB bios settings for the 9900K and your memory....?  That's a great Timespy CPU score.
    post edited by kevinc313 - 2019/09/27 06:23:21
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    Cool GTX
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/27 10:05:53 (permalink)
    kevinc313
    DeadlyMercury
    As for cpu part - it is very simple and clear: I had 4 cores (no HT) @5ghz before and 8 cores (no HT) @5ghz after; if I enable HT on 9900k - I can double cpu score again. 

     
    Can you go into more detail on your MB bios settings for the 9900K and your memory....?  That's a great Timespy CPU score.




    Best to move that "future Conversation" to its Own thread so we do Not Derail this thread
     
     Yes - a Totally up to date New PC is faster .... Including the RAM & not just the Chipset, Massive CPU upgrade & Massive GPU upgrade
     
    OP is Asking how much their Current MB will hold them back ---> 1660 Ti in PCI-E 2.0
     
     

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    DeadlyMercury
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/27 13:44:19 (permalink)
    I mean according to "tests" - they are getting +10%. Maybe they just used same platform and just set pcie speed to 2.0 or used kind of close platforms (like 2600k vs 3770k). I thought same way, that  actual performance drop is small (that's why I bought 1080 in old PC)...
    But if you have really old platform like P67 - actual loose is more than 10%, and I guess not only because of pcie itself - but because of platform as whole thing.
     
    >> Including the RAM & not just the Chipset, Massive CPU upgrade & Massive GPU upgrade
    Well, another funny thing is that RAM settings doesn't affect gpu score in 3dmark at all, but affect cpu score: I tested memory speed from 2400 to 3600 and got like nothing in gpu test and about +5% in cpu test. So I don't know why I got such a huge difference between 1080 and 2080ti. It is not a RAM, it is not a CPU as CPU power (or 2600k @5ghz bottlenecking gpu)...
    I did that to test what is bottlenecking Il-2 and found out that it was not memory, but cpu because of game engine. First I thought it must be both cpu and memory.
    I did same for CPU - from 3200 to 5000, and again nothing: almost linear behavior for cpu test (well, obvious...) and zero changes in gpu test.
    post edited by DeadlyMercury - 2019/09/27 13:47:21

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    CraptacularOne
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/09/27 19:58:02 (permalink)
    It's not the PCI-E slot that is going to limit you, it's your ancient platform. 

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    DeadlyMercury
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    Re: GEForce GTX 1660 Ti in PCI-E 2.0 slot 2019/10/01 06:17:42 (permalink)
    kevinc313
    Can you go into more detail on your MB bios settings for the 9900K and your memory....?  That's a great Timespy CPU score.

    Since OP didn't make any new comments - I think he got the picture, so we can get a little offtopic here :)
    Well, I didn't anything special, my settings is: freq - 5gz all cores (voltage and other power settings on auto - bios uses LCC7 and ~1.3v; I can run 5200 4cores 5000 8cores @1.34 - but only in games, it is too hot for linpack, actually, I can pass linpax avx only @4.8ghz), HT enabled, intel virtualisation disabled, memory - 3600 17-17-17-39 (stock clock is 4000 19-19-19-39, but motherboard doesn't start on frequencies higher than 3600).
    Also I disabled windows tweaks/patches for spectre/meltdown.

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