I'm considering buying a Gigabyte gaming GPU, which I believe uses standard thermal paste on the GPU die. I'm interested in doing future maintenance and replacing it with thermal putty since I've heard it lasts longer than thermal paste—around 2 to 3 years. However, I've found mixed opinions online. Some say it's not recommended, while others claim it can be used on the die. Since thermal putty is quite expensive where I live, and I typically repaste every 6 months, I'm really looking for advice before making the switch. Anyone have experience with this?
6 Answers
To clarify, Gigabyte utilizes something they refer to as thermal gel on their GPUs. I've heard mixed things about how effective it is. In any case, I wouldn't recommend switching to thermal putty for the die.
By the way, you don’t need to repaste every 6 months! A good thermal paste should last you 3 years or more, so you might be overdoing it a bit.
Definitely stick with thermal paste on the GPU die. If you're looking for something high-quality, Noctua NH2 is a solid choice. Putty is better suited for thermal pads, like on RAM and VRM components.
Using thermal putty on the GPU die isn't a great idea. It's generally thicker and has lower thermal conductivity compared to good thermal pastes. You might want to consider using a phase change material like PTM7950 instead. It holds up better over time without breaking down from heat cycles, and it has similar thermal conductivity.
Honestly, thermal putty is usually too thick for GPU dies. If you want a durable option, you should stick with something like PTM7950 for the best performance. Regular thermal paste is a much better bet for the GPU die.
Short answer? No, don't use thermal putty on the die. Stick with thermal paste—it works much better in this scenario.
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