NVIDIA RTX 3080 owners dealing with overheating memory modules now have a practical fix that does not require buying new parts. YouTuber Blighted Agent found that applying thermal paste over the existing thermal pads on the graphics card cuts GDDR6X memory temperatures by up to 15C. This modification offers a safer alternative to using copper shims for cooling the sensitive memory chips.
Simple thermal paste application cuts GDDR6X memory heat by 15C
The test focused on an EVGA RTX 3080 graphics card, which uses GDDR6X memory known for running hot under load. Stock thermal pads alone allowed VRAM temperatures to climb above 95C during heavy gaming sessions. The GPU core itself remained cooler, hovering around 70C, while the memory modules spiked significantly higher.
- VRAM Temperature (Stock Pads): >95C
- VRAM Temperature (Paste + Pads): 80C
- Temperature Reduction: up to 15C
- GPU Core Temperature: ~70C
Applying thermal paste directly onto the memory modules before reinstalling the stock pads dropped the peak VRAM temperatures to 80C. This 15C reduction brings the memory into a much safer operating range. The method proved just as effective as replacing the old pads with fresh ones, making it a viable option for cards showing signs of thermal pad deterioration.
This approach provides a straightforward way to extend the lifespan of aging thermal pads that are beginning to fail. Users can apply this fix without the risks associated with more invasive cooling modifications like copper shims. The results confirm that simple material changes can significantly improve the thermal performance of high-end GPUs.
Source: TweakTown
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