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3090 Gainward

Gainward – GeForce RTX™ 3090 Phoenix thermal pad sizes

Front of the PCB is either 1mm or 1.5mm. Users reported both thicknesses.

Watch thermal pad replacement video
VRAM front:80x40x1mm (or 1.5mm)
VRAM back:80x40x3mm

Sizes guide

  • The scrissor sign next to a size means it can be cut out from that slice of thermal pad. It is not the actual size! Example: 80x40x2mm
  • One dimension size means it’s the thickness of that pad. Example: 1mm
  • Two or three dimension sizes – with no scrissor sign – means it’s most probably an actual size. Example 100x14x1.5mm

About sizes

Sizes you find here come from various sources. Most of them reported by my clients whom successfully replaced their GPUs’ factory thermal pads with high quality aftermarket pads – getting significant results in their temperature drop. Some of these sizes are actual measurements and others just collected from random users on such websites like Reddit, YouTube or official / unofficial forums.

Do your own research

Please note that I cannot take any responsibility for the sizes appearing here. Do your own research as well before buying and replacing anything.

Tips

  • Make sure your pads and GPU die contacts well with the heatsink.
  • Always test your graphic cards and devices in controlled environment.

Share your experience

If you have more accurate information regarding the sizes or anything that worths mentioning please don’t hesitate to share us in the comment form below.

3 comments

  1. Nils

    2mm are too thick. 3mm for the back plate works fine. I recommend 1mm at the front because the main processor does not touch the cooling body and the card won’t work as it is supposed to and will reach more than 100°C real quick.

    To sum up:
    1mm for the front
    3mm for the back

  2. Another user reported 1.5mm on the front side.

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