By the way much discussion has already been made on RTX 2080. As already told first consult these threads.
https://hardforum.com/threads/do-you-have-problems-with-your-rtx-card.1970788/
i think that a PC with these specification will be best upgrade for you.
Processor: Intel Core i9-7980XE
Motherboard: Gigabyte X299 Aorus Gaming 9
Graphics cards: Nvidia GeForce GTX 1080 Ti x2
RAM: Corsair Vengeance LPX DDR4 32gb 4133MHz x4
I have Intel processor probably i3 in my laptop. but to its old model it's working slow. Sometimes I also feel heat coming out of it. So my friend told me to download real temp software cuz it's the best CPU temp monitor for Intel processors.
What do you say about it. I'm not expert in this...