Thermal paste matters on a gpu, sorry
@Djoza.
The surface of a cpu IHS is like 20,000 grit sandpaper, so pastes will fill those voids and stay there, no matter how thin the paste is.
A gpu is direct die application, that's pure silicon, might as well be glass. And that's the issue. With pressure from the heatsink, vibrations from the fans, heat from the processor, the less viscous pastes that do so well with a cpu (Noctua, Kryonaut, Gelid etc) run into issues where the paste bleeds right off the edges of the die, and doesn't take all that long to do it. That leaves an empty silicon die with very little paste, open sections, and a big mess surrounding it.
The best pastes for a gpu are the thicker, stickier, more viscous pastes, like Arctic MX-4. They are not as 'oily' and runny as the better cpu pastes, so don't bleed off the edges of the die.
There's 3 tiers of Master Gel. Maker is the best, Pro is middle and Standard brings up the rear. It's non conductive, non abrasive (IC Diamond can scrub off the Lazer etchings info) and is approved for use on gpus. The Maker holds its own against Noctua, so is really decent.