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GTX 570 + GTX 550 Ti Dedicated PhysX?

post #1 of 3
Thread Starter 
I'm getting a GTX 570 soon and I have a GTX 550 Ti just lying around. I had a few questions I wanted to ask...

1) My motherboard is a MSI Z77A GD65
and I was wondering how I should space out the cards. The configuration I was thinking of was putting the GTX 570 in the first PCI-E slot and the GTX 550 Ti in the last PCI-E slot to keep them as far as apart as I can to keep the temps down.
The question I have is if either of these cards will be bandwidth constrained in this kind of scenario.

The configuration would look like this




2) The other question I have is which overclocking factors will help my GTX 550 Ti perform better as as PhysX card. Out of the 3 factors, core clock, shaders, and memory, I think I remember shader clocks being the one that affects PhysX performance. I just wanted to run that by you guys to make sure.

...and before I get bashed, yes, I will be playing games with PhysX integration.


Thanks for the help. smile.gif

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post #2 of 3
1st. Unless you are getting an amazing deal on the 570 don't go with a 570. I'd go with a 7850 or 7870, unless you are an Nvidia person then go with a 660 or 660 Ti.
2nd. You don't need a PhysX card because most modern cards can handle the PhysX themselves and it isn't worth the power consumption or heat.
And your motherboard can pretty much fully support 3 way SLI.
Edited by Deviin934 - 10/30/12 at 6:24pm
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Current Rig
(14 items)
 
2nd Rig
(10 items)
 
HTPC
(7 items)
 
CPUMotherboardGraphicsRAM
AMD 960t ASUS M5A97 GTX 760 Kingston Hyper X 
Hard DriveHard DriveOptical DriveCooling
Western Digital 500GB Kingston SSD Asus Drive Hyper 212 + 
OSMonitorMonitorPower
Windows 7 Ultimate 64 Bit  Acer 21.5 in. 1600x900 AOC 22in 1080p Seasonic 650W 
CaseAudio
Cooler Master Haf 912 Asus Xonar DG 5.1 
CPUMotherboardGraphicsRAM
Intel Core I3 2120 MSI Z77MA-G45 HD 6870 Kingston HyperX 8GB 
Hard DriveOSMonitorPower
Samsung 1tb Windows 7 Ultimate  32In 1080p TV Rosewill Green 530W 
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Antec One Logitech 
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post #3 of 3
Thread Starter 
Well I'm going to be getting my GTX 570 for the paltry sum of FREE so... tongue.gif

In this video (skip to 2:05 for data), it was shown that in the GTX 500 series at the very least, having a dedicated PhysX card helps. ( even the GTX 580 got a boost even though it can handle PhysX. However, that doesn't mean it couldn't use a helping hand.)
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