upgrade video card or wait?

i have a GTS 250 1GB version and i can run most games on medium-high settings but in certain games like Just Cause 2 i need to lower my setting to maybe low - medium and at 1920x1080 res it doesnt look good and starts too lag so if i upgrade to a HD5850 will i a see a big performance diffrence,or do i need a 5870?

my specs are:
AMD Phenom II 955 @3.6Ghz
Asus Crosshair IV Formula Motherboard
8GB Corsair dominator Ram @ 1600Mhz
GTS 250 1 GB version
750W corsair PSU

5 months zahyr

[QUOTE="zahyr"]5 months GazaAli

i have a GTS 250 1GB version and i can run most games on medium-high settings but in certain games like Just Cause 2 i need to lower my setting to maybe low - medium and at 1920x1080 res it doesnt look good and starts too lag so if i upgrade to a HD5850 will i a see a big performance diffrence,or do i need a 5870?

my specs are:
AMD Phenom II 955 @3.6Ghz
Asus Crosshair IV Formula Motherboard
8GB Corsair dominator Ram @ 1600Mhz
GTS 250 1 GB version
750W corsair PSU

zahyr

Since its going to be a fast upgrade, i would suggest using it as a Physx card or build another rig and sell it?sasdx

Theres no future in PhysX and if you use post 186 nVidia drivers, you won't be able to use a non-nVidia GPU in the same box without nVidia arbitrarily disabling PhysX. Besides, it's something that CPUs noawadays can handle. DX11, OpenCL are the way things are going now. The decision to upgrade should more be a question of whether or not you're achieving the desired result and not how long you've had the card.