Can I run Ubuntu as my main OS just by using integrated graphic card?
Solution 1:
You do not need a dedicated GPU to run Ubuntu.
Solution 2:
I have Ubuntu on my laptop (Core i5, 8 GB RAM), which has no dedicated graphics, only the Intel chipset -- and it works fine, even for low-load gaming.
Solution 3:
It depends on your CPU. I am assuming you are talking about desktop. If your CPU has integrated graphics, you can use that to run Ubuntu. But if your CPU does not have integrated graphics (like mine, Ryzen 7 CPUs) then you need dedicated graphics card.