Friend upgraded their GTX 750 to an R9 390 Games that ran at 60 fps before now run barely better than 750.

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Squez14

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Oct 25, 2015
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A friend has recently upgraded their gtx 750 to an R9 390 and now games run terribly please help. PC specs:
CPU:Fx-8320 @3.5Ghz 4.0Ghz turbo
PSU:Evga G1 650W 80+ Gold
MOBO:Gigabyte GA-78lmt-usb3
GPU:Sapphire R9 390 @ 1.04Ghz Memory clock:1500mhz
RAM:ADATA 1x8GB kit 1600Mhz
Temps are fine Running at 1080p.

Benchmark scores are as they should be but when gaming the fps is below what they should be.
 
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rcald2000
Sorry I didn't see this thread back in January. I would have recommended that you or your friend check the CPU temps with HWMonitor. I wonder if excess heat from the R9 390 was causing CPU thermal throttling.

Might-as-well: Your friend might as well upgrade the stock AMD cooler to a Cryorig H7, since the stock coolers have poor reliability. Obviously the old thermal paste will need to be cleaned off, and reapplied. I figure that this $35 investment is nothing for someone that just spent $300 on a GPU.

http://www.newegg.com/Product/Product.aspx?Item=9SIA4UF2DZ6565
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Hofsta

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Jan 7, 2016
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I'm having this same issue with a similar setup. I upgraded yesterday from an hd 7980 after running the amd clean uninstall and then installing the latest drivers from the site. My performance stayed at around 30 - 40 fps on games like the witcher 3 with the same settings and now I have terrible frame stutter and screen tear. Would really appreciate any solutions anyone might have.
 
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Squez14

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Oct 25, 2015
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Sorry for the late reply currently he has returned the sapphire 390 and has ordered an asus card I believe to see if that will help. Also, he has not OCed any components.
 
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rcald2000

rcald2000

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Nov 3, 2009
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Sorry I didn't see this thread back in January. I would have recommended that you or your friend check the CPU temps with HWMonitor. I wonder if excess heat from the R9 390 was causing CPU thermal throttling.

Might-as-well: Your friend might as well upgrade the stock AMD cooler to a Cryorig H7, since the stock coolers have poor reliability. Obviously the old thermal paste will need to be cleaned off, and reapplied. I figure that this $35 investment is nothing for someone that just spent $300 on a GPU.

http://www.newegg.com/Product/Product.aspx?Item=9SIA4UF2DZ6565
 
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