Question Does anyone know how to undervolt an RX 9070 XT ?

Alexoferith

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Jun 13, 2013
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I would be most grateful if any experienced users can provide me with some detail guidelines of how to undervolt my RX 9070 XT.

Spec:

AMD Ryzen 7 9800X3D (watercool by)
ProArtist UA360 AIO (top mounted)
Powercolour HellBound RX 9070 XT
32 GB 6000 DDR5 RAM
MSI MAG B850M Motar WiFi motherboard
2TB NVMe SSD
GTR Plus 1000M Platinum PSU
MSI MAG Forge 320L case with 1x120 intake fan at rear, & 2x120 intake fans at front

I forgot to order the fans at purchase. The fans were purchased after the arrival of the machine. They are MSI Meg Silent Gale P12. However, due to poor indication of air flow direction. Using the silent plastic mounting kits, I installed all of them blowing air into the case, thinking that I could easily changing the airflow direction. But I found out that the plastic mounting are not easily to be removed. As a result, I am leaving all 3 fans taking air in and relying on the AIO radiator to take the air out from the top. On the plus side, the fans are extremely SILENT, even at full speed (2000RPM). When running Wukong, and Ghost of Tsushima, the fans only went up to around 1000!!! GPU temp was below 70 degree C and CPU was below 60 degree C.

When running those two games, I could see that the GPU was drawing a whopping 318W! And since I saw quite a few undervolting videos. I would like to adopt undervolting, reducing power used with the scarfice of small amount of performance. Hell, my laptop was running Wukong at best at 80 fps. Now, before any overclocking or undervolting, with the RX9070XT, I am running Wukong at over 150FPS.

Any help is much much appreciated. Many thanks in advance.

Regards,
Alex
 
I am very very pleased with the result.

-30% power limit
-40 mV Voltage Offset (for the GPU)
Max Frequency raised to 2750 MHz

When playing Ghost of Tsushima, I got 270 fps and GPU was drawing 220W (compared to stock value of 316W)!!!
Both the CPU and GPU were running at temp around 50 to 56 degree C so the GPU fans didn't even start!!! WoW!! This card is amazing.
 
I’m the opposite end of the spectrum. I’ve got a 1200 watt psu in my build and plenty of fans, so if I do anything maybe I’ll just turn the power limit to max to get the most fps.z

Glad you are happy with the results you got.
If you set your power limit to max, do you mean overclocking, i.e. increase the power that the GPU can draw? If so, I have read that for some RX9070XT cards, overclocking is a mess. I am not quite sure what that means exactly. But nearly all Youtubers speak highly of the RX9070XT as far as undervolting is concerned. The reason for me getting this new system was because my gaming laptop died due to overheating and I have one of the well praising laptop cooling stand; Ilano V12. Even it can cool down the laptop by 15 degree C, sometimes even 20 C. But when running Ghost of Tsushima, Legend mode (online coopiing), the GPU temp was 85C but the CPU went up to 95C. That was with the Ilano V12 running at 1000 rpm. I have to wear my noise cancelling headphone to play. I spent about $500 to have the laptop repaired. The shop said that the back of where the CPU seated, there was sort of a hole there!!!! They changed the motherboard. So, I have to go for a desktop for long time gaming session. Perhaps it is this laptop, poor design or demanding games. If anyone read this and you have a gaming laptop, make sure you clean the fans every 3 months or even every month if you game as long as I do each day every day. Otherwise, get a desktop with an AMD GPU that you can undervolt.