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GT640 for hybrid physx?

post #1 of 2
Thread Starter 
Some time ago I posted here about hybrid physx with my gtx560 that I was willing to sell. Then I tested it with Borderlands2 and Batman Ac and I really got some performance boost. But now i got the opportunity to sell it to a friend and I was thinking that I could buy a GT640 or something like that and keep some change and it would use less power. . Is it worth buying the GT640? I think anything above that wouldn't justify selling mine.
My question is not which is better, I know the 560 is far better, my question is will the GT640 handlle physx on modern games? or will it bottleneck my HD7950?
On Borderlands 2 the GTX560 reaches 55%-60% gpu use and when I tested with a 9800GT it would be slower than physx with CPU. I don't want that to happen...
post #2 of 2
I don't know but I'd get a 640 if it wouldn't slow up my 7950 CF, physX might not be used a whole lot but it sure looks pretty in the games that use it.

But actually it probably wouldn't fit my mobo, I have 2 mini PCIe slots between the 7950s, and the lower 1 is hooked to an extension cable to a soundcard so it doesn't cook. I'm pretty sure the cable can't fit into the covered slot, oh well.
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rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7-2700k @ 4.5GHz ASRock z75 Pro3 MSI 980 Ti Gaming and Gigabyte R9 290 OC windforce 8GB 2133 CL9 Gskill Snipper 
Hard DriveHard DriveHard DriveCooling
2x 128GB M4 sata3 3TB Seagate + 640GB WD black M550 512GB sata3 2x140mm SilverArrow 
OSMonitorPowerCase
Win7 64bit QNIX 27" 1440p @96Hz 850W EVGA SuperNova +80Gold HAF 932 
MouseAudioAudio
Razor Abyssus SoundBlaster Z  Logitech X-540 5.1 
  hide details  
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