- Jul 12, 2020
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First off this video is crucial to understanding why I did what I did. If you've been troubleshooting a RX 590 Fatboy odds are you've already seen this video:RX 590 Teardow Credit where credit is due, this guy has an amazing channel for real computer nerds.
So I got an RX 590 Fatboy thinking it was a good deal, meh at best. As you noticed the thing could bake cookies it gets so hot. I had set the air flow in my case to keep everything cold enough to keep a beer frosty to counter the fatboy. I never undervolted or any of that because I had tried it and didn't want to deal with crashes. Just yesterday I did 3 things and now I can run Borderlands 3 on Ultra with the Fatboy maxing out at 69 (previously it would spike to high 80's), it's standard temp is now low 60's in most games. Here's what you do:
So I got an RX 590 Fatboy thinking it was a good deal, meh at best. As you noticed the thing could bake cookies it gets so hot. I had set the air flow in my case to keep everything cold enough to keep a beer frosty to counter the fatboy. I never undervolted or any of that because I had tried it and didn't want to deal with crashes. Just yesterday I did 3 things and now I can run Borderlands 3 on Ultra with the Fatboy maxing out at 69 (previously it would spike to high 80's), it's standard temp is now low 60's in most games. Here's what you do:
- Take the graphics card apart, the 590 tear down video shows how easy it is to do. Do make sure you have Thermal Compound so you can put the card back together.
- If you watched the RX 590 Fatboy Tear down video he points out the giant metal plate on the top does NOTHING. Actually he's wrong, it traps an insane amount of heat on the card, not to mention it puts an inordinate amount of weight on the pci slot. I took that off and thew it away, with prejudice.
- Cleaned everything off and put new Thermal compound on it, and put it back together (minus the evil metal plate). I had read a couple reviews where people had said new thermal compound by itself cut 15 degrees off the running temp
- Now the card has a dual bios, one for "Quiet Mode" (less fans and less noise) and one for "Performance mode" (fans run t keep the GPU cool regardless of noise). To switch between these 2 bios settings there is a tiny little switch by the power supply connection. Now per the manufacturers documentation (which was poor and hard to find for this part of the card) the "Performance mode" bios is set when the switch is pushed towards the power supply connection. I had found numerous postings where people had said that isn't correct as they pushed it away from power supply connection and their card temps dropped by leaps and bounds. So I tested this and put the switch pushed to the rear (towards the power supply connection) turned on my system played for a bit, then shut my system off and switched the switch (which you can do while the card is still in the case!) and tested it again. With the switch pushed away from power supply connection everything was about 8-10 degrees cooler
- 34 degrees for regular operating temps
- Borderlands3 on Ultra doing a benchmark test maxed at 67
- Playing B3 on Ultra with a ton of enemies on screen and me shooting lots of graphic heavy weapons maxed at 69
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