https://www.techpowerup.com/243455/cryorig-releases-full-copper-c7-cu-heatsink
We now have am official announcement and it says roughly 15% improvement.
@Hudzzy
Uhmm I wonder if I can still get the C7 cu graphene at that price cause currently it's price skyrocketed. Is it the actual price the 3999? I do love that stealth look and your testing also shows it is better than the regular C7. Thanks!! :D