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Stock corei7 870 bottleneck a 580 gtx? Do I need to add another one?

post #1 of 12
Thread Starter 
Well I had my 870 overclocked @ 4ghz but it was a bit unstable only when benching at full load. So I took it back to its stock clocks and overclock my gpu to 800 core from 772. Now I play games like metro 2033,crysis 1 and 2 FEAR 3
Dead Space 2 I would say games that are very demanding to my gpu. I love to play them at max settings but in some bench marks my gpu is clearly not enough. Should I try to find a stable o.c. at 4ghz. Or should I leave it as is and add another 580 gtx to the mix.. Thanks for your opinions in advance.
Wayne-The-Brain
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Wayne-The-Brain
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post #2 of 12
Find a stable OC for both CPU and GPU.
Deathprimus
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post #3 of 12
Thread Starter 
Well 800 core is stable for my gpu at stock volts. But my cpu has been quite more difficult to overclock to where I want it at 4ghz. To time consuming and thats why I asked the question to see if it was worth it. By the way thanks for you reply + a rep smile.gif
Wayne-The-Brain
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Wayne-The-Brain
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post #4 of 12
Yes it would be worth it.Metro 2033 is incredibly demanding,even for a single gtx580 at 1920x1080.If you can't get 4.0 3.8 would be just fine.
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post #5 of 12
Try to get a stable OC, my i7 860 Is just stable on 4ghz and 1.3625v
Armor III
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post #6 of 12
i7 870 won't bottleneck a single 580 even on stock settings. However when you go SLI you need to OC it a little bit. If you can get 3.6 or 3.8 GHz you're ok.
Maybe your processor just need more voltage @ 4.0 GHz than what you have set in the bios.
Edited by HeadlessKnight - 7/31/11 at 9:56pm
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post #7 of 12
Don't forget to visit your motherboards site for updated bios. This may prove to really help you with your OC.
In some games I notice little difference, others I feel a massive difference w/ OC my cpu.
post #8 of 12
Thread Starter 
Thanks for the replies guys. I will try to find a stable o.c. for my cpu and benchmark them to see the difference. Would 3dmark be a good test or is unigine better?
Wayne-The-Brain
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Wayne-The-Brain
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post #9 of 12
To test CPU... 3Dmark is better. Why? because the Heaven Benchmark does target the GPU more and rarely relies on CPU power.
Edited by HeadlessKnight - 8/1/11 at 3:10pm
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Desktop
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Laptop
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CPUMotherboardGraphicsRAM
Intel Core i7-5820K @ 4.40 GHz Asus Rampage V Extreme/U3.1 MSI GTX 980 Ti Gaming 6GB  Corsair Vengeance LPX 16GB (4x4) DDR4-3000 
Hard DriveHard DriveCoolingOS
SAMSUNG 850 PRO 1TB SAMSUNG 950 PRO NVMe 512GB NZXT Kraken X62 Windows 10 Pro 
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Asus VG236H 23" 120 Sony XBR43X800D 43" 4K TV Logitech G910 Orion Spark + Razer Turret EVGA SuperNOVA 1000 G3 
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Corsair Graphite 760T Black Logitech G502 Proteus Spectrum + Razer Turret Razer Goliathus Asus Xonar Essence STX II 
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Intel Core i7-4720HQ @ 2.60 GHz Asus G751JY Asus GTX 980M 4GB SK hynix HMT41GS6BFR8A-PB 16GB (2x8) DDR3L-1600 
Hard DriveHard DriveOptical DriveOS
SanDisk SD7SB3Q128G1002  HGST Travelstar 7K1000 1TB HL-DT-ST DVDRAM GUC0N Windows 10 Home 64-bit 
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post #10 of 12
Try to find a lower frequency than 4.0gHz. I'm running 3.8 (sucky chip for me unfortunately frown.gif ) and I'm doing fine with a gtx 590, you really don't need to go over 4ghz.

If you want to test, download fraps and do some benchmarks with it. Fraps saves a file from a 60s bench run and gives you min, avg and max fps. Very nice for real world gaming benching.

GL!
 
Benching
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Benching
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4x4GB vengeance, 2x4GB predatorX, 2x1GB OCZ DDR2 Intel X25-M 80GB LD PC-V2 SS Phase Change OCN Marksman 
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