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Will core i5 4670k bottleneck gtx 760 in sli?

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  • Gtx
  • Graphics Cards
  • CPUs
  • Power Supplies
  • Intel
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October 15, 2013 9:29:33 PM

The question is i'm going to build new pc and want to put one more gtx 760 in near future so will core i5 4670k bottleneck 2X gtx 760 and what psu is best for 2X gtx 760
My parts are:
Intel Core i5 4670k Processor
MSI Z87 G45 gaming Motherboard
MSI GTX 760 TF Gaming (want to add one more in the future) Video card('s)
Corsair Vengeance Pro Red 2x4gb (1866mhz) RAM
Western Digital Blue 1tb WD10EZEX Hard drive
Corsair GS 700 PSU
Cooler Master HAF 912 Plus Case
P.S. Sorry for my bad English because i'm not english or American!!!

More about : core 4670k bottleneck gtx 760 sli

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October 15, 2013 9:32:36 PM

No way
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a c 190 U Graphics card
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a c 106 ) Power supply
a c 110 å Intel
October 15, 2013 9:34:17 PM

Thank you for your fast reply!!!
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October 15, 2013 9:44:05 PM

If it does then you're kind of out of options since that's the best gaming CPU out there. You'll be fine.
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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
October 15, 2013 9:46:52 PM

Thank you for your replies but which psu will be good for two gtx 760? because i couldn't find other one like hx 850 in my town
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October 15, 2013 9:50:07 PM

Do you have to buy locally? Is there a website we could browse to help you pick one out? Fortunately that setup doesn't require much power, a quality 650w PSU will do you just fine.
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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
October 15, 2013 10:11:51 PM

I live in "Tashkent" and here it's very difficult to find good parts. All psu's are made by Huntkey also other parts are the same in all pc shops. I found new chipset z87 only in 2 shops and they costs 300$+. Video card like gigabyte gtx 760 costs 430$ But for psu i paid 125$. Other parts i ordered from Amazon, they should come at the end of october. Complete build cost is 1300$, 300 for delivery!!!
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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
October 22, 2013 3:47:11 AM

Help me plese, how to press "Pick as solution" when i push ok button nothing happens please reply
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October 22, 2013 4:00:34 AM

Quard titan SLI with enoguh power suppy cannot bottleneck i5 4670k ;) 
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October 22, 2013 4:04:34 AM

Ahmadjon said:
Help me plese, how to press "Pick as solution" when i push ok button nothing happens please reply



see :


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October 22, 2013 4:06:02 AM

Ahmadjon said:
Thank you for your replies but which psu will be good for two gtx 760? because i couldn't find other one like hx 850 in my town


Cosair TX650 V2 650 watts Posu will be Great for u !

https://www.theitdepot.com/details-Corsair+Enthusiast+S...(CMPSU-650TXV2)_C14P10966.html
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a c 190 U Graphics card
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October 22, 2013 4:08:29 AM

Thank you man i'll try to pick
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October 22, 2013 4:09:21 AM

Ahmadjon said:
Thank you man i'll try to pick


ur welcome !
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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
October 22, 2013 4:24:09 AM

but when i push what you showed in your picture appears this "Do you really want to select this solution" "ok" and "cancel" when i push "ok" nothing happens
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Best solution

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October 22, 2013 4:36:17 AM

Ahmadjon said:
but when i push what you showed in your picture appears this "Do you really want to select this solution" "ok" and "cancel" when i push "ok" nothing happens


log out and then again log in then click ok
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October 22, 2013 5:32:33 AM

Picked the solution for ya lololol
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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
October 22, 2013 10:24:46 AM

But how? why i couldn't?
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October 23, 2013 2:37:02 AM

Ahmadjon said:
But how? why i couldn't?


see Ahmadgjob ,

when u click Pick as solution , it appears " Do you really wanna pick as solution , when u click okay . the answer will be high lighted as best solution . Other Tom's can team can also pick solution for a thread . so huilun02 picked my solution as best answer .

Hope you got it .

I don't know why u couldn't pick as solution maybe some error
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October 23, 2013 6:28:49 AM

Maybe, anyway thanks a lot
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October 24, 2013 3:58:56 AM

Ahmadjon said:
Maybe, anyway thanks a lot


anytime ur welcome
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May 3, 2014 7:46:25 PM

when you're deciding what PSU would be good or not for your system, you have to think, how much wattage would i need if i were using everything in my machine at 100% : this number is the maximum wattage that your PSU would have to give, or else you would have a voltage drop = blue screen.

So, first : i5 TDP = 84W
a single 760GTX = 170W : 2-SLI = 340W?? maybe
a 7200RPM hard drive writing = average 7W
a USB port used as a power source to recharge battery(i Pod, i Phone, i XYZ) = 5V TTL*0.9A = 4.5W
ETC...

A computer needs alot more to run properly. CPU and GPU consumption do not indicate the power consumption of all your computer.
a motherboard chip set like an AMD 780 consume 43W at idle.

so 340W + 84W + 250W for safety = 674W
i would recommend nothing less than a 700W, if you use a 80% bronze PSU, it means you need a 875W PSU (700W/80%=875W) 700W for your needs, and 175W as heat ,because PSU power rating indicates the maximum power input it can handle, not the maximum output. If you want 700W, you need to use a 850W+ PSU.

It is a good practice to use a larger PSU, in this case, you would never use it at its 100% and its best like that. Most of electrical device are design to give 10-15% more power than what they have been designed to give.

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a c 190 U Graphics card
a c 182 à CPUs
a c 106 ) Power supply
a c 110 å Intel
May 4, 2014 8:32:15 AM

benoitnadeau said:
when you're deciding what PSU would be good or not for your system, you have to think, how much wattage would i need if i were using everything in my machine at 100% : this number is the maximum wattage that your PSU would have to give, or else you would have a voltage drop = blue screen.

So, first : i5 TDP = 84W
a single 760GTX = 170W : 2-SLI = 340W?? maybe
a 7200RPM hard drive writing = average 7W
a USB port used as a power source to recharge battery(i Pod, i Phone, i XYZ) = 5V TTL*0.9A = 4.5W
ETC...

A computer needs alot more to run properly. CPU and GPU consumption do not indicate the power consumption of all your computer.
a motherboard chip set like an AMD 780 consume 43W at idle.

so 340W + 84W + 250W for safety = 674W
i would recommend nothing less than a 700W, if you use a 80% bronze PSU, it means you need a 875W PSU (700W/80%=875W) 700W for your needs, and 175W as heat ,because PSU power rating indicates the maximum power input it can handle, not the maximum output. If you want 700W, you need to use a 850W+ PSU.

It is a good practice to use a larger PSU, in this case, you would never use it at its 100% and its best like that. Most of electrical device are design to give 10-15% more power than what they have been designed to give.



Your calculating might be wrong :) 
http://www.guru3d.com/articles_pages/gtx_780_ti_sli_gef...
My GS700 doesn't spin it's fan 99% of the time :) 
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May 7, 2014 3:14:41 PM

Ahmadjon said:
benoitnadeau said:
when you're deciding what PSU would be good or not for your system, you have to think, how much wattage would i need if i were using everything in my machine at 100% : this number is the maximum wattage that your PSU would have to give, or else you would have a voltage drop = blue screen.

So, first : i5 TDP = 84W
a single 760GTX = 170W : 2-SLI = 340W?? maybe
a 7200RPM hard drive writing = average 7W
a USB port used as a power source to recharge battery(i Pod, i Phone, i XYZ) = 5V TTL*0.9A = 4.5W
ETC...

A computer needs alot more to run properly. CPU and GPU consumption do not indicate the power consumption of all your computer.
a motherboard chip set like an AMD 780 consume 43W at idle.

so 340W + 84W + 250W for safety = 674W
i would recommend nothing less than a 700W, if you use a 80% bronze PSU, it means you need a 875W PSU (700W/80%=875W) 700W for your needs, and 175W as heat ,because PSU power rating indicates the maximum power input it can handle, not the maximum output. If you want 700W, you need to use a 850W+ PSU.

It is a good practice to use a larger PSU, in this case, you would never use it at its 100% and its best like that. Most of electrical device are design to give 10-15% more power than what they have been designed to give.



Your calculating might be wrong :) 
http://www.guru3d.com/articles_pages/gtx_780_ti_sli_gef...
My GS700 doesn't spin it's fan 99% of the time :) 


This is an approximation. your wattage needs depends on your global use of your PC. Its a very good practice to use an ''over-kill'' PSU as you will never reach its maximum output, because you don't want that. If you reach it, you will BSOD for sure, or just crash. According to your link, a single GTX760 consume 169W, you want 2 right?, so your SLI system, alone without the rest of the PC consume 338W. You have a CPU? A North bridge? USB? Hard Drive? Etc...? They all consume power. A GS700 is excellent for a single card build. I wouldn't try it on multi card set up.
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May 9, 2014 3:54:16 AM

I already tried my friends GTX-760 (I don't have money for second GTX-760) with mine card in SLI so my PC worked for 3 weeks at full load without a problem :p 
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September 9, 2014 6:28:12 AM

Ahmadjon said:
I already tried my friends GTX-760 (I don't have money for second GTX-760) with mine card in SLI so my PC worked for 3 weeks at full load without a problem :p 


the reason its good to have more powerful psu is that it doesnt heat up as much, and so there is smaller chance of electrolytic capacitors failure in the long run, and secondly, most psus fan profile is aggressive after 50% power draw, and the fan starts pushing great volume of air through the components inside psu and the pierced grid on the back side, creating an acoustical discomfort (its too loud).

i guess your psu is the required minimum for your configuration, since it can provide close to 60amps to your graphics cards (58A), which should be sufficient. but dont forget, that capacitors degrade somewhat over time. so i wouldnt recommend to increase voltage on your graphics cards, since it could push the electronics in the psu to the limit. if its too much, with luck, it will just turn off the power source, and will not burn anything.. on the other hand, i undevolted my graphics card a little bit from 1,175V to 1,125V and this sacrificed only about 40MHz on the overclock. so instead of 1241, my card max boosts at 1200MHz on gpu core, but it eats less power and also is quieter. another way of decreasing power usage is to limit the framerate in games/apps to the vertical sync frequency of your monitor (V-SYNC on). with tricks like these, you can prolong the life span of your power source unit and you can enjoy your SLI config with greater confidence. though i wouldnt hook up any stronger duo of graphics cards on the gs 700. id recommend at least 850W (thats 70+amps) for stronger SLI cards.
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a c 190 U Graphics card
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September 9, 2014 9:02:32 AM

freedom fighter said:
Ahmadjon said:
I already tried my friends GTX-760 (I don't have money for second GTX-760) with mine card in SLI so my PC worked for 3 weeks at full load without a problem :p 


the reason its good to have more powerful psu is that it doesnt heat up as much, and so there is smaller chance of electrolytic capacitors failure in the long run, and secondly, most psus fan profile is aggressive after 50% power draw, and the fan starts pushing great volume of air through the components inside psu and the pierced grid on the back side, creating an acoustical discomfort (its too loud).

i guess your psu is the required minimum for your configuration, since it can provide close to 60amps to your graphics cards (58A), which should be sufficient. but dont forget, that capacitors degrade somewhat over time. so i wouldnt recommend to increase voltage on your graphics cards, since it could push the electronics in the psu to the limit. if its too much, with luck, it will just turn off the power source, and will not burn anything.. on the other hand, i undevolted my graphics card a little bit from 1,175V to 1,125V and this sacrificed only about 40MHz on the overclock. so instead of 1241, my card max boosts at 1200MHz on gpu core, but it eats less power and also is quieter. another way of decreasing power usage is to limit the framerate in games/apps to the vertical sync frequency of your monitor (V-SYNC on). with tricks like these, you can prolong the life span of your power source unit and you can enjoy your SLI config with greater confidence. though i wouldnt hook up any stronger duo of graphics cards on the gs 700. id recommend at least 850W (thats 70+amps) for stronger SLI cards.


Even under heavy gaming my PSU fan doesn't spin, so now I'm don't using any SLI config and don't plan doing it since my GPU has enough power for my 1080p monitor and i don't want unnecessary power in my PC :) 
I was luck with my GPU because my GPU boosts 1306MHz core clock without OC'ing it in Afterburner!
All I do is just click on OC button in "MSI Gaming App" and my GPU starts work on 1215MHz base clock and when I run Unigine Heave 4.0 my GPU runs at 1306MHz. I tried to OC it and I could add only 40MHz to make boost clock 1346MHz.
I will try to add 12mV and set power limit to 145%, to see the highest possible OC.
BTW: My GPU memory runs at 7010MHz and I didn't try to OC it any further :) 
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