Here is the batchfile for setting the undervolt+TDP for CPU&GPU, I used this for my GPD win2, I don't know if it needs any tweaking for the 6y30: https://pastebin.com/yG5VKqcc This needs XTU-Setup-6.4.1.25.exe version of XTU. I would recommend to try undervolting, if you are lucky you can go down t...

Install Intel XTU, I think you need to find the correct version too, as they love to exclude some of the systems from newer versions (they don't want you to fry your chipset). Also keep in mind that this will make only a big difference if your heatsink (=fan(s),thermal paste, radiator) is very good...

Looks good, but I think one fan with a copper heatsink (+thermal paste) would do also just fine, we need to disassembly the unit to see what can be used. Also my support ticket got resolved at Intel: "As per the higher team, you can make the changes to the TDP but it's highly recommended not to per...