Nasty. Where did you get it from? Must be second hand?
It's probably beyond feasible repair tbh although don't rule it out.
I'd imagine it got a knock at some stage and something shorted out when this happened but I'm far from a pro on these situations. It's very unusual for a card to actually...
Have you tried using a user.cfg file? If so, the main one is to use renderdevice.renderaheadlimit 0. This helped me a lot.
Also the biggest fiend of microstutter is having battlelog open in you browser, close all browser windows and see if that helps.
Try flashing your BIOS. It worked for me. Also close your internet browser and see if that helps.
P.s. There is a detailed guide on flashing the 7990 BIOS in the GPU section.
I still think there's something not right, flash Matt's BIOS to your card and try that one. It removes the "boost" feature which doesn't really work properly at all. I couldn't play BF4 or any other game until I did it.
I'm running 2560x1140@110Hz myself and I hate microstuttering so I know...
Lol. Did you buy a 7990 for mainly CS:GO? Not a great move tbh (if you did).
If you check the cards utilisation it doesn't go past 60%. The CS engine isn't optimised for anything past 100/120 fps. You will get the same fps on a 5870 except the utilisation will be 90%+.
You can't buy such...
Definitely an isolated problem with your card. I disable my other 2 cards and play it at 1440p with one 7970. I never saw the FPS drop below 120 once and it's very smooth all the time for me.
Definitely no need for ****** v-sync at 120hz anyway. If you can't enable v-sync, CrossFire is...
Hold on now. You first said that it was stuttering with Xfire. Then you said it's perfect with Xfire disabled, but the FPS is lower than a 670??
XFire needs to be off in graphically weak games like CS, Fifa etc.
No way a 670 beats a 7970 in any game, especially CS:GO
Tbh your CPU (IMHO) will definitely hold back your GPU from reaching it's potential and considering how much your willing to spend on a card it seems a waste atm. Ideally you want your CPU to be more powerful than your GPU in all situations, but this can be a matter of opinion at the end of the day.
At that res I'd be looking at upgrading the CPU either with or shortly after you upgrade the GPU, especially if you play demanding games. A 290x should give noticeably more FPS at that resolution than the 480's.
Great post from the LT. I had this same issue with serious GPU usage fluctuation in graphic heavy games like BF3 and BF4. It is noticeably smoother as well and after watching afterburner graphs it was indeed switching between boost modes and flashing the BIOs fixed it.
Also anyone having...
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