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Will Sandy Bridge Bottleneck 1080 gt X?

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Yhan2
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2016/06/10 21:56:13 (permalink)
Hello,

I wanted some insight on whether my system will bottleneck a 1080. My specs are the following:

I5 2500k@4.2 (1.36 v)
16 GB DDR3 2166 MHz Corsair Vengeance
EVGA 970 GTX
Samsung SSD/1TB WB Black
Acer 32 inch @ 2560x1440

I am also thinking of keeping the system and upgrade to 6 core processor with 1080 ti down the road as complete rebuild (roughly year from now). Any thoughts?
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    HeavyHemi
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:03:13 (permalink)
    You'll be fine. Yes, if you went with a newer platform, you'd gain a few FPS. There's always a bottleneck somewhere. Loosely defined as the part of your system that is impacting the performance the most. It's all subjective and will only be moved to a different part when it bothers you enough to crack open the wallet...then you upgrade and create a new 'bottleneck'.  Rinse and repeat.

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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:05:58 (permalink)
    some people will ignorantly say a 2500k will never hold back any gpu but yes it will. by how much will of course depend on the game and settings. most games will be just fine and at 1440 it will not be hard to make most games gpu limited. still you can expect framerates no higher than 45 fps at times in Crysis 3 and some stuttering in Watch Dogs as those games love more than 4 cores depending on where you test. and XCOM 2 will struggle to maintain 60 fps at times with your cpu too. also the IPC of the 2500k will be a limitation in Fallout 4 so expect cpu limited areas to drop into the 40s at times. personally there is no way I would spend around 700 bucks for a gpu with an older i5. I would just sell your cpu/mobo/ram and go 6700k and at least 3200mhz ram which should not cost you much in the end. 

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    VegetaCreeper
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:06:16 (permalink)
    At lower resolutions, 1080p, you will have more of a CPU bottleneck. However, if you game at more demanding resolutions 2560×1440, 3440x1440 (21:9) or 3440x2160 (4k), your bottleneck wont be as bad

     
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    relevance
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:21:10 (permalink)
    I just want to give you some hopes on your setup.
     
    if you can OC your i5 to say.. 4.5ghz,  looks like it can stand next to i5 6500k.
    https://www.youtube.com/watch?v=ZHb7qEKH1JU
     
    youtube has some bench for 2500k with 1080.
    https://www.youtube.com/watch?v=i2NkMSqyENY
     
    just youtube 2500k gtx 1080. you'll find answers you seek.
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    bcavnaugh
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:21:38 (permalink)
    VegetaCreeper
    At lower resolutions, 1080p, you will have more of a CPU bottleneck. However, if you game at more demanding resolutions 2560×1440, 3440x1440 (21:9) or 3440x2160 (4k), your bottleneck wont be as bad

     
    This makes not since to me, why would a lower resolution cause CPU bottleneck and now an even higher resolution?
    It would seem that 3440x2160 (4k) would cause a CPU bottleneck before 1920x1080P would.
     
    post edited by bcavnaugh - 2016/06/11 11:56:40

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    stalinx20
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:23:01 (permalink)
    Gaining FPS by switching to a new processor should not be the concern or the main factor, but which component will be running at 99% usage.... the GPU or the CPU? I would say at the end the CPU would bottleneck/crumble before the GPU would. Waaaaaaaaaay too many people on this world that look at the FPS gains being the main factor when getting a better CPU....
    post edited by stalinx20 - 2016/06/10 22:28:04

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    Yhan2
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:28:38 (permalink)
    Thanks for the links, very helpful. Sandybridge still holding strong.
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:30:18 (permalink)
    bcavnaugh
    VegetaCreeper
    At lower resolutions, 1080p, you will have more of a CPU bottleneck. However, if you game at more demanding resolutions 2560×1440, 3440x1440 (21:9) or 3440x2160 (4k), your bottleneck wont be as bad

     
    This makes not since to me, why would a lower resolution cause CPU bottleneck and now an even higher resolution?
    I would seem that 3440x2160 (4k) would cause a CPU bottleneck before 1920x1080P would.
     


     I cant believe this has to be explained to you. the higher the res the more gpu demanding it becomes and that is just common sense. when you lower the res you take more load off the gpu. if you have fast cpu then when you lower the res the framerate will go up. if your cpu is slow then lowering the res will not make much difference in the framerate. for example there are parts of Crysis 3 where his cpu can only get 45 fps or so because that is all the cpu can do. with a strong gpu he could get that 45 fps at 1440 or even 4k but lowering the res in those spots is not going to help with framerate when the cpu is the limiting factor. also at lower res a game can stutter more with a weaker cpu as the load shifts away from the gpu. 

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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:33:10 (permalink)
    Yhan2
    Thanks for the links, very helpful. Sandybridge still holding strong.

    well here is reality check for you. even with a 970, the 2500k at even higher clocks can limit game performance. yes you will be at 1440 which is 70% higher res but a gtx 1080 is over 100% faster than the gtx 970 so really you will have a bigger gap than the benchmarks here show. 
     
    2500K 4.5Ghz
    6700k 4.5Ghz

    Watchdogs-1920x1080 all max SMAA temporal.Testing method is driving in city https://www.youtube.com/watch?v=48Os2_Ul8YU
    2500k fraps log-Avg: 58.942 - Min: 40 - Max: 87
    Frametimes and comparable FPS
    http://abload.de/img/watchdogs60ss0.jpg
    6700k fraps log Avg: 82.677 - Min: 73 - Max: 91
    frametimes and comparable FPS
    http://abload.de/img/watchdogspcs0r.jpg
     
    Crysis3-all max 1920x1080 + SMAA.Test method https://www.youtube.com/watch?v=dSRPOp3ss5Y
    2500k fraps log Avg: 50.839 - Min: 38 - Max: 78
    Screenshot at same place http://abload.de/img/crys.3_2015_08_19_04wus7z.png
    Frametimes and comparable FPS
    http://abload.de/img/crysis3ymsyk.jpg
    6700k fraps log Avg: 77.112 - Min: 72 - Max: 82
    screenshot at same place http://abload.de/img/crys.3_2015_08_25_214vsvw.png
    frametimes and comparable FPS
    http://abload.de/img/crysis3a6shb.jpg

    and here you can see in XCOM 2 that a 2500k cannot even average but 53 fps with a 1080 while the 6700k can get 87 fps which is 65% faster. 
    http://www.computerbase.d...80-intel-core-i5-2500k
    post edited by trek554 - 2016/06/10 22:36:38

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    Yhan2
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:44:10 (permalink)
    trek554
    Yhan2
    Thanks for the links, very helpful. Sandybridge still holding strong.

    well here is reality check for you. even with a 970, the 2500k at even higher clocks can limit game performance. yes you will be at 1440 which is 70% higher res but a gtx 1080 is over 100% faster than the gtx 970 so really you will have a bigger gap than the benchmarks here show. 
     
    2500K 4.5Ghz
    6700k 4.5Ghz

    Watchdogs-1920x1080 all max SMAA temporal.Testing method is driving in city https://www.youtube.com/watch?v=48Os2_Ul8YU
    2500k fraps log-Avg: 58.942 - Min: 40 - Max: 87
    Frametimes and comparable FPS
    http://abload.de/img/watchdogs60ss0.jpg
    6700k fraps log Avg: 82.677 - Min: 73 - Max: 91
    frametimes and comparable FPS
    http://abload.de/img/watchdogspcs0r.jpg
     
    Crysis3-all max 1920x1080 + SMAA.Test method https://www.youtube.com/watch?v=dSRPOp3ss5Y
    2500k fraps log Avg: 50.839 - Min: 38 - Max: 78
    Screenshot at same place http://abload.de/img/crys.3_2015_08_19_04wus7z.png
    Frametimes and comparable FPS
    http://abload.de/img/crysis3ymsyk.jpg
    6700k fraps log Avg: 77.112 - Min: 72 - Max: 82
    screenshot at same place http://abload.de/img/crys.3_2015_08_25_214vsvw.png
    frametimes and comparable FPS
    http://abload.de/img/crysis3a6shb.jpg

    and here you can see in XCOM 2 that a 2500k cannot even average but 53 fps with a 1080 while the 6700k can get 87 fps which is 65% faster. 
    http://www.computerbase.d...80-intel-core-i5-2500k
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    Yhan2
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:47:50 (permalink)
    After reading over everyone's comment think I'm going to go for new system. The 2500k served me well yet I do admit it's showing its age.
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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 22:50:09 (permalink)
    Yhan2
    After reading over everyone's comment think I'm going to go for new system. The 2500k served me well yet I do admit it's showing its age.

    and like I said you can sell it and offset a great deal of the upgrade cost too. in the end it will not cost you much and you will be set for another 3 years or so as for as cpu goes. 

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    bcavnaugh
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:00:15 (permalink)
    trek554
    bcavnaugh
    VegetaCreeper
    At lower resolutions, 1080p, you will have more of a CPU bottleneck. However, if you game at more demanding resolutions 2560×1440, 3440x1440 (21:9) or 3440x2160 (4k), your bottleneck wont be as bad

     
    This makes not since to me, why would a lower resolution cause CPU bottleneck and now an even higher resolution?
    I would seem that 3440x2160 (4k) would cause a CPU bottleneck before 1920x1080P would.
     


    I cant believe this has to be explained to you. the higher the res the more gpu demanding it becomes and that is just common sense. when you lower the res you take more load off the gpu. if you have fast cpu then when you lower the res the framerate will go up. if your cpu is slow then lowering the res will not make much difference in the framerate. for example there are parts of Crysis 3 where his cpu can only get 45 fps or so because that is all the cpu can do. with a strong gpu he could get that 45 fps at 1440 or even 4k but lowering the res in those spots is not going to help with framerate when the cpu is the limiting factor. also at lower res a game can stutter more with a weaker cpu as the load shifts away from the gpu. 


    My Apologies, but thank you.

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    wildman94
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:11:47 (permalink)
    What about the 3970x on the sandy bridge e platform? Mine is clocked at 4.6ghz.
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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:22:59 (permalink)
    bcavnaugh
    trek554
    bcavnaugh
    VegetaCreeper
    At lower resolutions, 1080p, you will have more of a CPU bottleneck. However, if you game at more demanding resolutions 2560×1440, 3440x1440 (21:9) or 3440x2160 (4k), your bottleneck wont be as bad

     
    This makes not since to me, why would a lower resolution cause CPU bottleneck and now an even higher resolution?
    I would seem that 3440x2160 (4k) would cause a CPU bottleneck before 1920x1080P would.
     


    I cant believe this has to be explained to you. the higher the res the more gpu demanding it becomes and that is just common sense. when you lower the res you take more load off the gpu. if you have fast cpu then when you lower the res the framerate will go up. if your cpu is slow then lowering the res will not make much difference in the framerate. for example there are parts of Crysis 3 where his cpu can only get 45 fps or so because that is all the cpu can do. with a strong gpu he could get that 45 fps at 1440 or even 4k but lowering the res in those spots is not going to help with framerate when the cpu is the limiting factor. also at lower res a game can stutter more with a weaker cpu as the load shifts away from the gpu. 


    My Apologies, but thank you.


    sorry for sounding so rude. I guess I have been around this stuff for so long that it surprises me when someone says something like you did...

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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:29:09 (permalink)
    wildman94
    What about the 3970x on the sandy bridge e platform? Mine is clocked at 4.6ghz.

    well of course you are fine in multi threaded games but yeah that cpu will hold back the full potential of 1080 since most games still like 2 to 3 very fast cpu cores. Fallout 4 is about the only game I can think of where the lack of IPC will ever bring you below 60 fps at times though. that game is just odd in spots but if you put shadow distance at medium it will never drop below 60 fps. and I assume you are going to be playing above 1920x1080 or I would suggest just a 1070.  

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    wildman94
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:35:07 (permalink)
    I am playing on a rog swift pg279q at 1440p
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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:47:57 (permalink)
    wildman94
    I am playing on a rog swift pg279q at 1440p

    oh so that has G-Sync so no real worrying about the occasional fps dip below 60 fps. at the same time you will be quite cpu limited in many games at the 165 hz refresh rate but I would not worry about it. heck some games are still capped at 60 fps anyway. go ahead with the 1080 and worry about upgrading the cpu/mobo/ram around your next gpu upgrade down the road. 
     

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    stalinx20
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:55:06 (permalink)
    trek554
    wildman94
    I am playing on a rog swift pg279q at 1440p

    oh so that has G-Sync so no real worrying about the occasional fps dip below 60 fps. at the same time you will be quite cpu limited in many games at the 165 hz refresh rate but I would not worry about it. heck some games are still capped at 60 fps anyway. go ahead with the 1080 and worry about upgrading the cpu/mobo/ram around your next gpu upgrade down the road. 
     


    Completely off topic, but with the games that are capped at 60fps (while using G-SYNC monitor), I can honestly say that some games really shine at 45fps (or slightly below that, right around 40-42fps).

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    Bobokiki
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/10 23:58:54 (permalink)
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.
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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:03:19 (permalink)
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 

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    stalinx20
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:08:31 (permalink)
    trek554
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 


    I can see why he is asking the question. There are a lot of people saying that the 1080 is "that powerful", so with a lot of people saying that, others are questioning if their CPU is able to keep up, even with the latest and greatest CPU. I'm willing to bet the 1080 may go in circles around the 6700 in some circumstances., especially at 1080P.

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    Bobokiki
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:13:18 (permalink)
    trek554
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 


    What do you mean by DSR in 1440 DSR? Are you referring to down sampling?
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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:16:22 (permalink)
    stalinx20
    trek554
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 


    I can see why he is asking the question. There are a lot of people saying that the 1080 is "that powerful", so with a lot of people saying that, others are questioning if their CPU is able to keep up, even with the latest and greatest CPU. I'm willing to bet the 1080 may go in circles around the 6700 in some circumstances., especially at 1080P.


    well yeah but my only point was there is no faster cpu for gaming so nothing he can do about it if it does limit him. that is why I said he might as well use DSR to run higher resolutions in most games than to stick with such a low res where he will be cpu limited anyway in many games just due to having so much graphics power at a low res. 

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    trek554
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:17:05 (permalink)
    Bobokiki
    trek554
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 


    What do you mean by DSR in 1440 DSR? Are you referring to down sampling?


    https://www.google.com/se...F-8#q=dsr+nvidia 

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    #26
    Bobokiki
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 00:19:37 (permalink)
    trek554
    Bobokiki
    trek554
    Bobokiki
    Hi, will my i7 6700k by intel bottleneck a 1080? Should I overclock it to 4.5 Ghz? Ill be playing at 1080p on a 144 hz monitor.


    lol why would you ask if a 6700k will bottleneck when there is no cpu out there to upgrade too even if it did. but yes you should oc the cpu and use at least 3200 mhz ram to get full use out of your 1080 and high refresh rate monitor. and really I would use 1440 DSR for most games and even 4k for those much less demanding games as no sense in playing at lowly 1920x1080. 


    What do you mean by DSR in 1440 DSR? Are you referring to down sampling?





    Wow thats cool, thanks!


    #27
    xskballerx
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 02:45:49 (permalink)
    The amount of bottleneck on CPU will really depend on what resolution you are going to be playing at and the games you are going to be playing with obviously the settings.  

    I'm still rocking my 2700k and probably will for awhile. Price to performance to upgrade to something like a 6700k is not worth it. 
    #28
    Fengatsu
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 03:58:52 (permalink)
    Hello, I got a 4790k on April last year with 16gb Ram 2133mhz, I'm planning to play on a 1440p Monitor with Gsync, just waiting to get shipped.
     
    Will I see any bottlenecks with a Gtx 1080 FTW? I'm wondering if it is wise to upgrade to a 6700k or wait and stick with my setup for a little bit longer. Thanks! 
    #29
    Zuhl3156
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    Re: Will Sandy Bridge Bottleneck 1080 gt X? 2016/06/11 04:01:20 (permalink)
    The 6700k only gives around 5% performance increase so you should be fine. No worries especially with a 4.4 GHz boost out of the box.
    #30
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