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MSI RX 480 Gaming X 8G's Crossfire VRM Temps

post #1 of 4
Thread Starter 
Hi this is with wattman settings at default no overclocking software installed no afterburner trixx etc... I'm using the latest .153 bios when I run games in 4K the top cards VRM gets over 100c this screenshot inparticular was not over but you get the point. Running 1080 or 1440 this doesn't happen, running a single card this doesn't happen. I have good ventilation over a 1 inch gap between the cards and a fan blowing directly through them from the front. I'm at a loss here have tried several bios including custom ones from the polaris bios editing thread on here does it seem like these cards are drawing the correct power or too much? Any suggestions welcome I'll post a pic of my rig I know these are not blower style but I didn't originally plan on going crossfire but still. Also it should be noted even with the side panel off there is not much difference in temps telling me it's not a case airflow problem. This was playing maybe 15 minutes on shadow of mordor 4k ultra with vsync on. Also I should note the PSU shroud is ventilated across the entire top and it's not the bottom card getting hot anyways.




Edited by jeztur2003 - 4/10/17 at 12:38pm
Double Dragon
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Double Dragon
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AMD FX-8370 970 PRO GAMING/AURA Radeon (TM) RX 480 Graphics Radeon (TM) RX 480 Graphics 
RAMRAMRAMRAM
Crucial Technology  Crucial Technology  Crucial Technology  Crucial Technology  
CoolingOSMonitorKeyboard
Corsair H110i Windows 10 X64 HP 27es Corsair K55 RGB 
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post #2 of 4
the same mistake made by Evga whit the 1070/80s : a perfectlly flat heatsink
source : https://www.techpowerup.com/reviews/MSI/RX_480_Gaming_X/4.html
post #3 of 4
Thread Starter 
Dang. I've been tinkering in wattman now and trying to drop the core by percentage to get the clocks around 1000mhz it's about 23% sounds horrible right well not really still getting very comparable frame rates at 4k cause the vrms are staying in the high 70's now I was testing with shadow of mordor on ultra settings so this was working good then I went and tried rise of the tomb raider which is smooth as butter at stock clocks now it lags like all hell. So dropping these clocks is key to consistent performance with my setup no doubt about that what i need to know now is some good voltage settings for 1000mhz.
Double Dragon
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AMD FX-8370 970 PRO GAMING/AURA Radeon (TM) RX 480 Graphics Radeon (TM) RX 480 Graphics 
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CoolingOSMonitorKeyboard
Corsair H110i Windows 10 X64 HP 27es Corsair K55 RGB 
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Rosewill Hive 1000 Watt Bronze Certified Phateks P400 Tempered Glass Red/Black Corsair Harpoon RGB Corsair MM800 RGB 
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Double Dragon
(16 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-8370 970 PRO GAMING/AURA Radeon (TM) RX 480 Graphics Radeon (TM) RX 480 Graphics 
RAMRAMRAMRAM
Crucial Technology  Crucial Technology  Crucial Technology  Crucial Technology  
CoolingOSMonitorKeyboard
Corsair H110i Windows 10 X64 HP 27es Corsair K55 RGB 
PowerCaseMouseMouse Pad
Rosewill Hive 1000 Watt Bronze Certified Phateks P400 Tempered Glass Red/Black Corsair Harpoon RGB Corsair MM800 RGB 
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post #4 of 4
Your first card just need air flow from somewhere. You can try with one fan from side to push some air flow this would work very well.
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