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GTX 560 TI SLI

Last response: in Graphics & Displays
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July 19, 2011 9:46:16 PM

Hello, right so my dilemma is that i sold my HD5870 before the value of it depreciated so much that id lose $100+ on it. Now i have ordered a GTX560 TI which i believe maybe slower than the 5870, i heard when overclocked though the 560 performance increases a lot. So i've ordered 1 KFA2 GTX560 TI OC...first off have i ordered the wrong card? secondly im wondering if i could power 2 GTX560's as im gonna order another one in a weeks time. Thirdly if there's going to be any bottleneck when running SLI.

System:
Intel i7 870 2.93Ghz @ 3.5Ghz Stock Voltage/HT ON
4096MB Corsair Dominator GT 2133Mhz C9 @ 2208Mhz
Seagate Barracuda 7200.12 500GB
Western Digital Caviar Blue 300GB
Gigabyte GA-P55-UD5
OCZ StealthXStream 600W Power Supply

Thank you :) 

More about : gtx 560 sli

a b U Graphics card
July 20, 2011 1:56:40 AM

You ordered the right card, No bottleneck, and a power issue MAY occur. I would get something like a 850w to have room to spare.
a b U Graphics card
July 20, 2011 1:57:18 AM

Newegg PSU calculator says 715w without an OC CPU, so I would say 850.
Related resources
July 20, 2011 3:47:27 AM

i wouldnt bother with sli send it back and get one gtx580,
you only have to look at recent duke nukem article to see the pitifull difference between one gtx 460 and two in sli,
when games first come out quite often drivers wont support sli for that game and you will be back to one card,
i tried sli and hated it i know use my second slot as physics x which will hopefully begin to take off know nvidia has bigger slice of gpu market again.
July 20, 2011 3:49:03 AM

sorry if you are going to run two 1gb card you might need some more ram as well 4gb would be proper bare minimum
a c 217 U Graphics card
July 20, 2011 5:33:04 AM

Going SLI doesn't require more Vram per card to handle the same resolution as a single card. If a single 560 ti has enough ram, it'll have enough in SLI. The issues of low vram come into play when you have ultra large resolutions, or multiple monitors.
a c 273 U Graphics card
July 20, 2011 5:46:01 AM

HostileDonut said:
Newegg PSU calculator says 715w without an OC CPU, so I would say 850.

I'm running a pair of OC'd GTX560Ti's on a 620w PSU so I think an 850w is a bit OTT.
July 20, 2011 6:12:50 AM

A question for you mr mousemonkey as I am looking into getting sli 560 tis for my build: do you have any problems with driver support or micro stuttering with your cards? And if so, do they actually make much of a difference in the long run?
July 20, 2011 9:04:25 AM

Mousemonkey said:
I'm running a pair of OC'd GTX560Ti's on a 620w PSU so I think an 850w is a bit OTT.

What power supply would that be? and what system are you running? do you think 600w will cut it...many thanks.
July 20, 2011 9:21:04 AM

his build is in his profile just click on his name and it will be under user configuration I believe :p 
July 20, 2011 10:48:02 AM

werbo said:
his build is in his profile just click on his name and it will be under user configuration I believe :p 

Ahh thanks :)  His PSU produces 600w on the 12v...mine produces 580w + hes running overclocked 560's im going to run them stock so i shouldn't have a problem. Although his PSU is of better quality 'Corsair'
July 20, 2011 1:05:17 PM

Okay guys i have my GTX560 TI. Im surprised it performs on par with the 5870 and better at times.

3dmark 06:
5870 OC: 940/1300 3dmarks: 25150
GTX560 TI Stock: 3dmarks: 24915
GTX560 TI 955/1910/2250:25495

Im happy with that :) 

Also i wanted to know if overclocking the 560 TI and leaving it at that clock without no voltage increase is okay to keep 24/7 thanks.
a b U Graphics card
July 20, 2011 1:36:40 PM

Mousemonkey said:
I'm running a pair of OC'd GTX560Ti's on a 620w PSU so I think an 850w is a bit OTT.

Yeah, I didn't know if he would cut it, so I recommended something I knew would give him room for SLi, OC, adding more drives, etc. and have a little extra power so he gets good clean power all the time. You must be cutting it pretty close. :D 
a c 273 U Graphics card
July 20, 2011 3:09:42 PM

werbo said:
A question for you mr mousemonkey as I am looking into getting sli 560 tis for my build: do you have any problems with driver support or micro stuttering with your cards? And if so, do they actually make much of a difference in the long run?

Driver support has always been good as it has for the other two SLi rigs that I used before this one and micro stuttering is something I believe is caused by a weak CPU with too small an onboard cache and no amount of OC'ing can cure that.
HostileDonut said:
Yeah, I didn't know if he would cut it, so I recommended something I knew would give him room for SLi, OC, adding more drives, etc. and have a little extra power so he gets good clean power all the time. You must be cutting it pretty close. :D 


I'm only running 5 HDD's, 1 optical drive, 2 OC'd GTX560Ti's and a CPU @4.4ghz 24/7 for the most part (F@H) but after four months it still hasn't melted the five year old 620w PSU.
July 20, 2011 5:31:12 PM

back to ram and sli, it does use more system memory, i have one 1gb gtx 560 ti and my system reserves 1gb of system memory for it, so you will need 2gb of system memeory for two cards, + additional system memory for your sli chipset, 4gb is enough but only just.
a b U Graphics card
July 20, 2011 7:42:43 PM

donkeywax said:
back to ram and sli, it does use more system memory, i have one 1gb gtx 560 ti and my system reserves 1gb of system memory for it, so you will need 2gb of system memeory for two cards, + additional system memory for your sli chipset, 4gb is enough but only just.

I don't think it works that way. If it needs 4gb, it doesn't matter it is quad SLi, 4gb will be enough.
a b U Graphics card
July 20, 2011 7:43:47 PM

Mousemonkey said:
Driver support has always been good as it has for the other two SLi rigs that I used before this one and micro stuttering is something I believe is caused by a weak CPU with too small an onboard cache and no amount of OC'ing can cure that.


I'm only running 5 HDD's, 1 optical drive, 2 OC'd GTX560Ti's and a CPU @4.4ghz 24/7 for the most part (F@H) but after four months it still hasn't melted the five year old 620w PSU.

Okay, sounds like it will work! I( was also looking at PSU calculators so I guess it was wrong.
a c 273 U Graphics card
July 20, 2011 8:16:57 PM

HostileDonut said:
Okay, sounds like it will work! I( was also looking at PSU calculators so I guess it was wrong.

I've found that most of those PSU calculators always over estimate, when I've added up the various devices myself I tend to get about 100 - 150w less than the PSU calculators come up with.
a b U Graphics card
July 20, 2011 8:56:21 PM

Mousemonkey said:
I've found that most of those PSU calculators always over estimate, when I've added up the various devices myself I tend to get about 100 - 150w less than the PSU calculators come up with.

That is very interesting, I will keep that in mind.
!