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Video random-access memory (VRAM) is dedicated computer memory used to store the pixels and other graphics data as a framebuffer to be rendered on a computer monitor. [1] It often uses a different technology than other computer memory, in order to be read quickly for display on a screen.
Dual-ported video RAM (VRAM) is a dual-ported RAM variant of dynamic RAM (DRAM), which was once commonly used to store the Framebuffer in Graphics card, . Dual-ported RAM allows the CPU to read and write data to memory as if it were a conventional DRAM chip, while adding a second port that reads out data.
Video memory was shared with the first 128 KiB of RAM. The exact size of the video memory could be reconfigured by software to meet the needs of the current program. An early hybrid system was the Commodore Amiga which could run as a shared memory system, but would load executable code preferentially into non-shared "fast RAM" if it was available.
According to The Verge, "4K gaming arrived with the RTX 2080 Ti", but "the RTX 3080 does the same and more at a much more affordable price point." [ 87 ] Overall, the RTX 3080 would be "great for 1440p or 4K gaming"; however, they criticized the requirement of a 750W power supply as well as the 10GB of VRAM regarding future games.
A small portion of this RAM is where the bitmap of image data is "buffered" for display. The term frame buffer is thus often used interchangeably when referring to this RAM. The CPU sends image updates to the video card. The video processor on the card forms a picture of the screen image and stores it in the frame buffer as a large bitmap in RAM.
Up to 32 system RAM 2.128 4.256 DDR 64 128 350 350 700 0 0.700 3 GeForce2 MX200 March 3, 2001 AGP 4x, PCI 166 32 64 1.328 SDR 64 1 GeForce2 MX June 28, 2000 2.656 128 4 GeForce2 MX400 March 3, 2001 200 166,200 (SDR) 166 (DDR) 1.328 3.200 2.656 SDR DDR 64/128 (SDR) 64 (DDR) 400 400 800 0.800 5 GeForce2 GTS April 26, 2000 NV15 25 [11] 88 AGP 4x ...
VGA section on the motherboard in IBM PS/55. The color palette random access memory (RAM) and its corresponding digital-to-analog converter (DAC) were integrated into one chip (the RAMDAC) and the cathode-ray tube controller was integrated into a main VGA chip, which eliminated several other chips in previous graphics adapters, so VGA only additionally required external video RAM and timing ...
Graphics Double Data Rate 6 Synchronous Dynamic Random-Access Memory (GDDR6 SDRAM) is a type of synchronous graphics random-access memory (SGRAM) with a high bandwidth, "double data rate" interface, designed for use in graphics cards, game consoles, and high-performance computing.