GTX1070 :
150W base 170W boost
185W base 215W boost
TDP can be adjust using MSI Afterburner. This means TDP are set to 150/170 or 185/215 be defaut with those files and TDP is also unlock.
RXT3080 :
Two stock Vbios
To flash your Vbios I recommand : Use NVflash to flash your Vbios or CH341+Neoprogrammer Don't forget to make a backup dump of your current Vbios before start.