Graphic Cards GTX275 as a dedicated Physx Card on Crossfire system query??

[sanjiv]

Hi i have made a new build consisting of a i7 3770 with p8z77-m pro and two 7770's in crossfire. There is still a 4X PCIe slot that is free on the motherboard so i was thinking of using my old GTX 275 as a dedicated Physx Card for the 7770 CF system right now the CPU is used for Physx does it make sense to use the GTX275 instead?

Also will the 4X PCIe make an impact on the performance of the GTX275 as far as physx performance is concerned?

The list of Physx enabled games is not huge but still note worthy... PhysXInfo.com - Projects using PhysX SDK


EDIT: I am also making a rather noisy HTPC which will be based on a AMD 3870K with a F1A75 M Pro mobo and either a single 7770 or a 6870, since the 3870K is rather a weak CPU would it make sense to use that GTX 275 as a dedicated Physx card in that build instead of the Intel build? I was so impressed with the CM 690 II Adv USB3.0 case that i have ordered another one for the HTPC will place it close to the HT sub woofer

 

[ALPHA17]

@sanjiv how do you plan to achieve this, which HACK... MOD, will make this setup work.

We have a couple of older threads in the section on similar lines, I inquired every time how will you guys iron out the incompatibility and driver issues between the cards from two different companies?

As far as I know it is not possible, also, even if it works out the x4 bandwidth might not be enough for the GTX 275.

I found a vid on youtube which is more or less what i want to do

HD5870+GTX-275(physx) on CM690 UV#2 - YouTube

Okay did my homework, it is possible but I do not see why anyone will like to break the bank due to a computers ravenous appetite. Read this article -- http://www.techpowerup.com/forums/showthread.php?t=135891.

Which games will 'actually' benefit with a dedicated PHYsX card? I mean more than just graphics fidelity.

Good luck and have fun. Cheerio!!

 

[sanjiv]

I found a vid on youtube which is more or less what i want to do

HD5870+GTX-275(physx) on CM690 UV#2 - YouTube

---------- Post added at 03:27 PM ---------- Previous post was at 03:14 PM ----------

sanjiv how do you plan to achieve this, which HACK... MOD, will make this setup work.

We have a couple of older threads in the section on similar lines, I inquired every time how will you guys iron out the incompatibility and driver issues between the cards from two different companies?

As far as I know it is not possible, also, even if it works out the x4 bandwidth might not be enough for the GTX 275.

Okay did my homework, it is possible but I do not see why anyone will like to break the bank due to a computers ravenous appetite. Read this article -- The Dedicated PhysX card FAQ - Read this before asking any questions! - techPowerUp! Forums.

Good luck and have fun. Cheerio!!

Ok i gave it a read actually my old GTX 275 is just sitting there and i have not been quoted well for the GPU so was thinking of using it in anyway possible since it may as well die from dust or humidity. I found another thread that says 1x is fine for Physx with 520 so i think 4x might be enough for GTX275 since Physx does not use a lot of bandwidth. The irony is both the soon to be mine F1A75 m pro and my P8Z77 m pro have only 4X PCIe's free for a dedicated Physx card.