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Big FPS issue with Gigabyte AMD Radeon R9 390

Question asked by jbrightt_ on Nov 7, 2015

Tonight I replaced my old "AMD Radeon 7800 Series" with a "GIGABYTE Radeon R9 390 GV-R939G1 GAMING-8GD". My old card was giving me around 110-140 fps in CS:GO, and having a 144hz monitor and being a competitive player, I need to hold above 144 and preferably have as high as possible. My new card is giving me 60-90 fps, which I can't believe is normal. My old card had 2 GB VRAM and I think around 500 MHz clock, the new one has 8 GB VRAM and 1000 MHz clock. In my AMD Overdrive program the clock speed sits at 300 MHz until I do something that requires more performance, then it goes up to usually 1000, while MSI Afterburner just shows it at 1025 MHz. I just feel like there's no way this is normal performance, it's such a better card. It feels like there has to be something I'm doing wrong that I don't know about. Help is much appreciated, I've been waiting a couple months now to get a new graphics card to be able to have the fps I need to play my best and now getting a new, much better card, and it's much worse performance... it doesn't make much sense to me. Thanks in advance.


*updates*: (what is above was a copy paste from TomsHardware forums) I've changed my CPU minimum clock to 2900, making it 2900-3500. I've tested out minecraft and found out that with the newer card I have about a +15 fps boost compared to my old card, and I've also completely uninstalled and reinstalled the correct drivers to be certain of it, and there's still no difference in CS:GO. Still getting around 80fps when I was getting 130 with my old card. I've seen things saying that when you're having fps issues in CS:GO that it could definitely be your CPU. I feel like that *shouldn't* apply in my situation because I have the same cpu, same everything, except different, newer, and much higher end graphics card now, and I'm getting MUCH worse fps.. After a couple days of trial and error and forum support I'm guessing it's a bad card and will probably have to return it unless someone on here or Gigabyte support can give me a solution.


My PC specs(that I know):

Motherboard: ASUS M5A97 LE R2.0

CPU: AMD 8320 8 core 3.5 GHz

Graphics card: GIGABYTE Radeon R9 390 GV-R939G1 GAMING-8GD

RAM: 16 GB DDR3 1600 MHz