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To get the most out of my 1080 Sli setup, go with Z170 or X99?

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cyberdimensions
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2016/08/16 14:40:01 (permalink)
My system is in my signature, what would you do? I just want to eliminate even possible bottleneck to get the most out of my setup. Or should I just leave it alone for now?
post edited by cyberdimensions - 2016/08/16 14:53:23

 
i7 6850K @ 4.2 Ghz @ 1.27 V
Asus X99 Deluxe II motherboard
2 x EVGA 1080 Ti in SLI with Nvidia HB Bridge and Hybrid kit using 4 ML120 fans
64 GB G.Skill Trident Z DDR4 3200 Ram
Corsair H115i Water cooler with 4 Corsair ML140 fans
Corsair 750 D Airflow edition case with 1 ML140, 1 Cryorig 140, 1 ML120 fan
Samsung 950 Pro 512 GB M.2 SSD
3 x Samsung Evo 850 500 GB SSD in Raid 0
Western Digital Black 2 TB HDD
Western Digital Black 640 GB HDD
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    Cool GTX
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/16 15:02:41 (permalink)
    Unless you get CPU bottleneck with the programs you run -- your PC is fine as is
     
    Does your MB support x16, x16 in SLI ?
     
    If it is x8, x8 your only going to surrender 2 or 3 %

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    cyberdimensions
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/16 19:50:52 (permalink)
    It only does X8, X8 which was part of the reason I was looking at X99 boards.  The other reason was that X99 boards allow for better spacing between video cards to keep the top one from getting too hot or throttling or both, depending on what I tell Precision X OC to do.
     
    The other weak point in my system is the memory, only 1600 Mhz, but I don't know if getting faster memory is going to help me with anything, I'd rather put that money to DDR 4 memory for either a Z170 or X99 built.
     
    Thanks man.
     

     
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    #3
    Cool GTX
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/16 19:56:29 (permalink)
    Spacing is an issue, especially for air cooled GPU
     
    That is one of the reasons for the Asus Z97 -WS in my signature PC, even though the EVGA Titan X SC are water cooled
     
    Benchmark testing - every little thing make an impact; not so much in everyday computing
    post edited by Cool GTX - 2016/08/16 19:58:39

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    Sajin
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/16 23:29:54 (permalink)
    I'd say go x99. 
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    3etatester
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 05:17:17 (permalink)
    If you are only using the rig for gaming, there is no reason to go x99. You wouldn't be missing much performance in that aspect.

    Now if you render or encode, then you'd see some benefits to higher core count cpus and memory. You'd also see an increase in benchmarks too if that's your thing.

    Z97 Classified :: i5 4670k @4.2Ghz :: 2-way GTX 980 SC's :: 3440x1440
     
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    ARMYguy
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 05:23:38 (permalink)
    3etatester
    If you are only using the rig for gaming, there is no reason to go x99. You wouldn't be missing much performance in that aspect.

    Now if you render or encode, then you'd see some benefits to higher core count cpus and memory. You'd also see an increase in benchmarks too if that's your thing.

    There is more to it than this simplication. Depends on what games you play. But i will agree that if i had the OP's system i wouldnt really bother. I got sizable gains in games going from a 2600k to a 5930k in cpu centric games like company of heroes 2. YMMV.

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    3etatester
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 05:33:19 (permalink)
    ARMYguy
    3etatester
    If you are only using the rig for gaming, there is no reason to go x99. You wouldn't be missing much performance in that aspect.

    Now if you render or encode, then you'd see some benefits to higher core count cpus and memory. You'd also see an increase in benchmarks too if that's your thing.

    There is more to it than this simplication. Depends on what games you play. But i will agree that if i had the OP's system i wouldnt really bother. I got sizable gains in games going from a 2600k to a 5930k in cpu centric games like company of heroes 2. YMMV.


    Thing is he's looking after z170 vs x99, I find it hard to justify the cost difference for the performance gains.

    But i'm tight with my money :)
    post edited by 3etatester - 2016/08/17 05:45:23

    Z97 Classified :: i5 4670k @4.2Ghz :: 2-way GTX 980 SC's :: 3440x1440
     
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    ksgnow2010
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 05:58:20 (permalink)
    Go X99...more cores is better!  Plus, why pay for an iGPU on a Z170 when you are not going to use it?
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    demo23019
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 06:38:20 (permalink)
    Id go with x99 that's what i use runs great games like BF4 GTA and DX12 can take advantage of higher core count even more so in future.
    If you go with x99 get the latest Broadwell-E CPU/Mobo
     
    The 6800K is pretty much same as the more expensive 6850K Only real difference in the amount of PCIe lanes it has for GPU bandwidth
     
    6800K has 28 lanes so cards will run 16/8
    6850K has 40 lanes 16/16
     
    16/8 shouldn't make any difference at all and it will save you $200 but if you feel more comfortable having cards run at 16/16 then get 6850K. There is also 8 core for like 1000 and 10 core for stupid $1700
     
     
    post edited by demo23019 - 2016/08/17 06:42:55
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    enacku
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 06:51:40 (permalink)
    3etatester
    If you are only using the rig for gaming, there is no reason to go x99. You wouldn't be missing much performance in that aspect.

    Now if you render or encode, then you'd see some benefits to higher core count cpus and memory. You'd also see an increase in benchmarks too if that's your thing.



    Tell that to my i5 @ 4.6ghz and gtx 1080 I see it constantly pinging off 100 in doom. Heck even downloading a file at around 170mbps uses 10-15% of the cpu. 

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    CoercionShaman
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 06:51:52 (permalink)
    I keep wanting to upgrade.... because.  I'm not running SLI.  I don't have any issues with my current setup (similar to yours).  It plays everything really well.  I just want to... because.
     
    I guess if I bought a second card I could find more reason to do so.  Until I can see an issue, though, I guess I'll wait.  Maybe I make it to the next gen where we see a little more improvement.

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    bg8780
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 07:05:04 (permalink)
     
     
    enacku

    Tell that to my i5 @ 4.6ghz and gtx 1080 I see it constantly pinging off 100 in doom. Heck even downloading a file at around 170mbps uses 10-15% of the cpu. 


     
    How the heck are you guys seeing bottlenecks on these modern systems?! I'm still on X58 and I never see CPU go over 30% in any games. Do the extra two cores really make that much of a difference, even on this super old architecture? I've been wanting to upgrade for the past two years but I've just never been able to justify it every time Intel comes out with a new chipset and it's only a bit faster. Granted, I have to run my SSD's in RAID to see comparable read/write speed to SATA 3.
     
    I still find myself eyeing up a new X99 board but I just can't justify spending that much money for a bump in performance.
     
     
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    mobsters
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 07:13:40 (permalink)
    My 3930k with 16gb mem and ssd still goes strong. Even running only 2.0 pciex with 1070 :D
     
    I took a look for 6700k and 6800k/6850k for pciex 3.0 but just can't justify new mb, memory and cpu for next to nothing performance gains. Gaming with 30" 2560x1600 monitor too

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    wemdee
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 07:19:51 (permalink)
    cyberdimensions
    My system is in my signature, what would you do? I just want to eliminate even possible bottleneck to get the most out of my setup. Or should I just leave it alone for now?



    Sorry to side track the conversation, but how do you like the ML fans? I was thinking about switching them with the stock fans on my h100i.
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    Cool GTX
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 07:25:29 (permalink)
    bg8780
     
     
    enacku

    Tell that to my i5 @ 4.6ghz and gtx 1080 I see it constantly pinging off 100 in doom. Heck even downloading a file at around 170mbps uses 10-15% of the cpu. 


     
    How the heck are you guys seeing bottlenecks on these modern systems?! I'm still on X58 and I never see CPU go over 30% in any games. Do the extra two cores really make that much of a difference, even on this super old architecture? I've been wanting to upgrade for the past two years but I've just never been able to justify it every time Intel comes out with a new chipset and it's only a bit faster. Granted, I have to run my SSD's in RAID to see comparable read/write speed to SATA 3.
     
    I still find myself eyeing up a new X99 board but I just can't justify spending that much money for a bump in performance.
     

     

    My "old X58" w/ i7-950 OC & 24G RAM & MSI Big Bang XPower MB -- feels as fast as my Z97 for the most part with GPUs being equal.
     
    Only CPU intensive tasks is there a measurable difference.
     
    Daily tasks - office, surf the web -- no difference at all
     
    Love my EVGA X99 Classy - 5960X -- crush CPU intensive tasks. 
     
    However most "consumer" programs are not coded (well) for multi core CPUs. 

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    demo23019
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 08:54:48 (permalink)
    bg8780
     
     
    enacku

    Tell that to my i5 @ 4.6ghz and gtx 1080 I see it constantly pinging off 100 in doom. Heck even downloading a file at around 170mbps uses 10-15% of the cpu. 


     
    How the heck are you guys seeing bottlenecks on these modern systems?! I'm still on X58 and I never see CPU go over 30% in any games. Do the extra two cores really make that much of a difference, even on this super old architecture? I've been wanting to upgrade for the past two years but I've just never been able to justify it every time Intel comes out with a new chipset and it's only a bit faster. Granted, I have to run my SSD's in RAID to see comparable read/write speed to SATA 3.
     
    I still find myself eyeing up a new X99 board but I just can't justify spending that much money for a bump in performance.
     
     


    There is more going on than just looking at CPU/GPU usage like min frame drop and other things also x58 is PCIE 2.0 good luck running 2 1080 in SLI on that. Even my 980 SLI ran so much better when i upgraded from x58-99
     
    Cool GTX
     
    However most "consumer" programs are not coded (well) for multi core CPUs. 


    DX12
    post edited by demo23019 - 2016/08/17 08:57:33
    #17
    jlp209
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 08:58:59 (permalink)
    I would honestly wait until X99 replacement if you really want 16x/16x for SLI. You'll be more than just fine with the 4790K for awhile. I wouldn't upgrade to Z170 from Z97, that would be a waste. 

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    demo23019
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 09:01:10 (permalink)
    Read his post history. He is having stutter issues with his system with 1080 SLI.  And before anyone says anything about SLI stutter. I don't have any issue with my set up.
    Also Broadwell-E was recently released its the new x99 rev CPUs
    post edited by demo23019 - 2016/08/17 09:05:12
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    jlp209
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 09:12:12 (permalink)
    demo23019
    Read his post history. He is having stutter issues with his system with 1080 SLI.  And before anyone says anything about SLI stutter. I don't have any issue with my set up.
    Also Broadwell-E was recently released its the new x99 rev CPUs


    Right, just read through it for a bit. I wouldn't peg OP's problems solely on the CPU and chip set, I don't know. I was just saying with all other issues aside, it made no sense to me to upgrade to Z170 from Z97. Heck, I'm tempted all the time to build a new X99 rig just because I love building, I get it. 

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    demo23019
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 09:14:44 (permalink)
    I agree I told him i wasn't sure if it was his platform and to wait for new driver to fix latency issue for SLI users. That could be his problem IDK i don't have this problem but it doesn't seem to effect everyone.
    post edited by demo23019 - 2016/08/17 09:17:45
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    BlueRaider
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 10:14:22 (permalink)
    I've done both an X99 and a Z170 system. If you can afford to go X99 then do it. Having 40 PCIe lanes, at least 2 extra cores, and quad-channel memory makes a difference. An X99 system also allows you to forgo upgrading for several generations if you don't want to. 

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    cyberdimensions
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 12:18:40 (permalink)
    I am going to reply to some of the comments made in this thread so far later when I am on my computer, but I think with a bit of tinkering I seem to have the stuttering issue under control, except for Witcher 3. I will address the other stuff tonight after work.

     
    i7 6850K @ 4.2 Ghz @ 1.27 V
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    demo23019
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 12:21:34 (permalink)
    good to know :)
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    ragevirusqq
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 12:59:27 (permalink)
    stuttering in rare cases can also be caused by debris. oil from fingers etc on the SLI fingers. YOu can clean them with a pencil eraser. juts make sure all if any rubber debris is removed before reseating the sli bridge

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    bp7178
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 13:13:13 (permalink)
    ksgnow2010
    Go X99...more cores is better!  Plus, why pay for an iGPU on a Z170 when you are not going to use it?




    I've used it so many times between trouble shooting, waiting for waterblocks, upgrading cards etc. Its really been an unexpected handy feature. 
     
    For people complaining of stuttering w SLi, are you running VSYNC on or off? 
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    cyberdimensions
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 17:08:36 (permalink)
    wemdee
    cyberdimensions
    My system is in my signature, what would you do? I just want to eliminate even possible bottleneck to get the most out of my setup. Or should I just leave it alone for now?



    Sorry to side track the conversation, but how do you like the ML fans? I was thinking about switching them with the stock fans on my h100i.




    I really like them. They look great and are pretty quiet to boot.  My only problem is that in the front of the case, just behind the fans, there are some perforated holes that the fans blow through that kind of give you that "blowing over a bottle" noise.  It doesn't bother me that much but maybe one day I will cut those sections out to eliminate the holes to see if that quiets things down a bit.

     
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    #27
    cyberdimensions
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/17 17:18:30 (permalink)
    I still have more testing to do, but so far the combination of HB bridge, overclocking the cpu some more, and the new drivers along with discovering the "smooth" Vsync setting in the Nvidia control panel seemed to have made a difference.
     
    Witcher 3 is still not all that happy, so I am going to chalk that one up to the game engine unless someone here is playing that game with an SLI configuration and can tell me that they have absolutely no stutter when moving the camera around Geralt at different speeds.  The game runs perfectly smooth in 1080p, but, with all settings being the same, as soon as I switch to 1440p the stuttering starts.
     
    GTA V runs much better now although I need to play for longer periods of time to see it in different areas of the map.  Speaking of map, going to the menu screen sometimes causes the game to fall down to as little as 4 fps where I literally have to wait for the menu screens and the map to render.  After a few seconds it goes away again, very odd.
     
    Rise of the Tomb Raider runs great at totally maxed settings except for using SMAA 2 instead of 4.  I get around 80 - 100 fps that way.  I did run into one section where the fps drop to the 20s for no reason at all, it was right after arriving at a camp fire in the forest using fast travel.  I went to the neighboring camp fire using fast travel and that section was fine.  Walking to the section causing the problem also made the game dip to the 20s as soon as I reached the camp fire location.  Running away from that area until the fps went back to normal and then going back to it eliminated the fps drop.  Not sure if it will come back if I fast travel there again.  Aside from that, the game runs just I hoped all games would SLI would.
     
    Fallout 4 looked quite stuttery too but after above changes is now also silky smooth with fps in the 100s with max settings at 1440p.
     
    Anyhow, thanks for all the replies, I am going to stick with this mobo and cpu for a while yet.

     
    i7 6850K @ 4.2 Ghz @ 1.27 V
    Asus X99 Deluxe II motherboard
    2 x EVGA 1080 Ti in SLI with Nvidia HB Bridge and Hybrid kit using 4 ML120 fans
    64 GB G.Skill Trident Z DDR4 3200 Ram
    Corsair H115i Water cooler with 4 Corsair ML140 fans
    Corsair 750 D Airflow edition case with 1 ML140, 1 Cryorig 140, 1 ML120 fan
    Samsung 950 Pro 512 GB M.2 SSD
    3 x Samsung Evo 850 500 GB SSD in Raid 0
    Western Digital Black 2 TB HDD
    Western Digital Black 640 GB HDD
    Corsair HX1200i PSU
    Acer Predator XB271HU IPS Gsync 144/165 Hz
    Windows 10 Pro
    #28
    wemdee
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/21 08:19:46 (permalink)
    cyberdimensions
    wemdee
    cyberdimensions
    My system is in my signature, what would you do? I just want to eliminate even possible bottleneck to get the most out of my setup. Or should I just leave it alone for now?



    Sorry to side track the conversation, but how do you like the ML fans? I was thinking about switching them with the stock fans on my h100i.




    I really like them. They look great and are pretty quiet to boot.  My only problem is that in the front of the case, just behind the fans, there are some perforated holes that the fans blow through that kind of give you that "blowing over a bottle" noise.  It doesn't bother me that much but maybe one day I will cut those sections out to eliminate the holes to see if that quiets things down a bit.




    Thanks. I think I will order one to see then.
    #29
    Viper453
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    Re: To get the most out of my 1080 Sli setup, go with Z170 or X99? 2016/08/21 18:46:18 (permalink)
    I went x99 from 4790k setup and have noticed major fps gains with my 2 titan xps. I think there might have been a bottleneck with 8x8 pcie.
    post edited by Viper453 - 2016/08/21 18:49:56

    MIS 4090 Trio 
    i9 10900K
    EVGA 1600 P+
    G.SKILL TridentZ Series 3200 mhz cas 14 32gb
    OS drive 960 pro 2 tb
    2x EVO 860 4TB 
    Monitor ROG PQ32UQX / LG C2 "65
     
     
     
    #30
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