Not much. First the HD 620 is an integrated graphics chip on the CPU that use the system RAM (UDIMM RAM) for graphics processing. Not sure what you mean when you say "vga is 4gb."
Not much. First the HD 620 is an integrated graphics chip on the CPU that use the system RAM (UDIMM RAM) for graphics processing. Not sure what you mean when you say "vga is 4gb."