(uncountable) video memory (an area of a computer's memory used to hold data used by a graphics processing unit)
(abbreviation, alt-of, initialism, uncountable) Initialism of Video RAM, a variant of DRAM invented in 1980 and used to store the framebuffer in some graphics adapters.
Using the hardware blitter to move bitmaps from VRAM to VRAM is much faster than moving them from system memory to VRAM. 2002, André LaMothe, Tricks of the Windows Game Programming Gurus, page 315: