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Switched from Radeon 6870 to Gigabyte GTX 770 OC 2GB PERFORMANCE Issues!

Last response: in Graphics & Displays
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July 21, 2013 9:10:45 AM

Hi guys, I've recently upgraded my video card to a GTX 770, unfortunately I noticed that games that I could previously played flawlessly like Mount and Blade Warband, Counter Strike Global, Shogun 2 lag or stutter like crazy when I play it with my new card...games like Dota 2 now stutter and freeze often at its' lobby. For instance in shogun 2 I would stutter and slow like crazy when the soldiers clash (my previous 6870 card had BETTER PERFORMANCE!).

My System Specs are i7 2600k 3.4 GHZ (I run it at stock)
Gigabyte GTX 770 OC
8GB of ram
Cooler master 750gx

The funny thing is my brother who had a Nvidia 560ti also upgraded to the same card, his mother board and cpu is all the same as mine and the same games run flawlessly in his.

Could it be that switching from ATI to Nvidia is causing these issues? I already removed all ATI with driver with driver sweeper (control panel uninstall etc.) I even did a resintall of the nvidia drivers to no avail.

I also got a new HDD with this upgrade don't know if this will make any difference but it should have improved things for my old HDD was more then 5-6 years old.

Any ideas guys? I'm thinking of going back to the shop and do a full reformat or reinstall of windows (since it'll be free).

Has anyone experienced this?
Thanks
July 21, 2013 9:44:09 AM

samuelspark said:
Could be your PSU. Look at this.

http://www.hardwaresecrets.com/article/Cooler-Master-GX...


I know the PSU is a bit low end but It should still run a single 770 GTX fine,

I also need to add I tried playing Mass effect 3 and it was smooth.. also even tried playing Arma 3 at max settings everything and was getting 30 fps... So i have no clue what's going on here. I already did reinstall of these games and drivers, etc.
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Best solution

July 22, 2013 10:29:33 AM

Make sure to delete all AMD's drivers from your system using their utility program.
http://sites.amd.com/us/game/downloads/Pages/catalyst-u...
I also recommend doing a clean install to NVIDIA drivers. I had a 6870 and upgraded to a 770 too, had the same problems but after the procedure I mentioned above everything seems ok. Tell me if it works. Cheers!
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