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2600k @ 5ghz , upgrade or not for GTX1070?

post #1 of 46
Thread Starter 
Basicaly for the last few years after trying out several stuff, I found a "golden" 2600k that can run 5ghz 24/7 with complete 100% stability on air and settled with that. Since then No upgrade really made sense until skylake (maybe). So I kept the basic system unchanged and just played around with the graphics cards.

The basic system is :

2600k @ 5ghz HT on
Maximus V Gene
16gb (2x8) DDR3 2400 @ 2133 11-12-11 1.5v (sandy cant handle more than 2133 thats why underclocked)
Samsung 850 pro 256gb
Seasonic Platinum 1000W


I have changed several GPUs and the system has served me well. In about a month I plan on buying a GTX 1070 once the custom designs surface and the price settles at a more reasonable frame after they milk the first-adopters. Now, I am wondering if its about time to upgrade the basic system to match the GPU to a 6700k or a 5820k.
The first question is if the Sandy even at 5ghz is now far behind a skylake (assuming the skylake will clock to ~4.6ghz unless I am lucky, but I dont want to base my decision on assuming good luck)

The second question is if PCI-express 2.0 on the sandy will start to take its toll on the GTX 1070 (the truth is up to today even with 980ti there seems to be negligible difference from 3.0 to 2.0 pci-express)

If pci-express 3.0 is the only reason to upgrade and since I got the V gene, there is also the chance to try to find a used 3770k but it will be hard to find a good clocking one I guess (because under 4.8ghz it will be worse than my sandy)



What is your opinion guys?
post #2 of 46
lurking as I want to know too ph34r-smiley.gif
post #3 of 46
Depends slightly on res but should be fine, people are running sli 980ti's with 2600k's with no complaints.
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CPUMotherboardGraphicsRAM
Intel Xeon E3 1231-V3 gigabyte GA-H97N GTX 1060 G-skill lifetime 1600mhz 
Hard DriveHard DriveCoolingOS
2x WD green 1x ocz agility SSD  Modded deepcool Gammaxx Windows 8.1 with classic shell for games. 
OSMonitorKeyboardPower
Fedora KDE for everything else.  Yamakasi catleap q270 Gamdias hermes ultimate  EVGA G2 750 
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Core V1 G303 - Hand cancer edition.  goliathus  AKG k240  
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post #4 of 46
Thread Starter 
res is 1080p currently, but I am seeing myself with a 34" 3440x1440 in the not too distant future (=up to Xmas hopefully). However I might also settle for a 34" 2560x1080 for less stress on the GPU.
post #5 of 46
Might be a SLIGHT bottleneck @ 1080p but its unlikely and not one that should put your min frames below refresh anyway.

At anything over 1080 you should be fine.
New(old) build
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon E3 1231-V3 gigabyte GA-H97N GTX 1060 G-skill lifetime 1600mhz 
Hard DriveHard DriveCoolingOS
2x WD green 1x ocz agility SSD  Modded deepcool Gammaxx Windows 8.1 with classic shell for games. 
OSMonitorKeyboardPower
Fedora KDE for everything else.  Yamakasi catleap q270 Gamdias hermes ultimate  EVGA G2 750 
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Core V1 G303 - Hand cancer edition.  goliathus  AKG k240  
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(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon E3 1231-V3 gigabyte GA-H97N GTX 1060 G-skill lifetime 1600mhz 
Hard DriveHard DriveCoolingOS
2x WD green 1x ocz agility SSD  Modded deepcool Gammaxx Windows 8.1 with classic shell for games. 
OSMonitorKeyboardPower
Fedora KDE for everything else.  Yamakasi catleap q270 Gamdias hermes ultimate  EVGA G2 750 
CaseMouseMouse PadAudio
Core V1 G303 - Hand cancer edition.  goliathus  AKG k240  
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post #6 of 46
No.
post #7 of 46
Quote:
Originally Posted by cainy1991 View Post

Might be a SLIGHT bottleneck @ 1080p but its unlikely and not one that should put your min frames below refresh anyway.

At anything over 1080 you should be fine.

there is no bottleneck. watch youtube videos comparing 2500k vs 6700k gaming side by side, basically like only a 2-3 fps increase, its a joke. lol. unless he SLI's then he is fine.
    
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i7-7820HK Kaby Lake @ 4.2Ghz GTX 1070 @ 2Ghz boost @ 9008Mhz Vram 16GB 2x8 DDR4 2133 Samsung 960 EVO 500GB NVMe 
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post #8 of 46
In productivity benchmarks there is a 20-30% increase in IPC. For gaming check out these reviews:

http://pclab.pl/art65154-29.html
http://www.eurogamer.net/articles/digitalfoundry-2015-intel-skylake-core-i7-6700k-review

It all depends on how CPU intensive the games you play are.
post #9 of 46
Thread Starter 
Quote:
Originally Posted by abctoz View Post

In productivity benchmarks there is a 20-30% increase in IPC. For gaming check out these reviews:

http://pclab.pl/art65154-29.html
http://www.eurogamer.net/articles/digitalfoundry-2015-intel-skylake-core-i7-6700k-review

It all depends on how CPU intensive the games you play are.

problem is, both those reviews as well as others I've seen run the sandy at 4.5ghz when overclocked. This is ridiculous, not because my chip goes to 5ghz (this was lucky) but because 4.5 is a walk in the park for sandy....Every sandy bridge I've seen achieved at least 4.7 on air. And then they run broadwell at 4.5 too (second review) which is ridiculous again for a chip that struggles to get to 4.2...
Very fair comparison...

May I add I only care about gaming, everything else that I do scarcely is easily covered already.
I think(hope) most improvement from new generations comes from added extensions (AVX etc) and thats why it is mostly seen in non-gaming benchmarks. The small inherent IPC gain is to a big extent offset by the high frequency of sandy. (not totally offset, but the gap closes enough to not warrant an upgrade I think). However I don't know how much of a problem pci-e 2.0 would be with a beast of a card like Pascal...
post #10 of 46
Single gpu, primary use gaming and 2600k@ 5ghz? Absolutely no need to upgrade cpu!
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CPUMotherboardGraphicsRAM
Intel Core I7 2600K@4.6GHZ  ASrock Z68 Extreme4  Zotac GTX 1070 ZT-P10700I-10P (16gb) GSkill Ares DDR3 2400mhz @2133mhz 
Hard DriveHard DriveOptical DriveCooling
Adata 240gb SP550 SSD WD Blue WD10EZEX 1TB LG BD-ROM Thermalright Venomous X 
OSMonitorKeyboardPower
Windows 10 Home 64 bit Asus MG248Q 144Hz 1920x1080 Gamdias Ares Cougar GX G1050w 
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