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An Nvidia GeForce GTX 980M comes standard with options for either 4 GiB or 8 GiB of VRAM. [4] ... (can be upgraded ... 2 GiB GDDR5 VRAM) Display: 15.6" 16∶9 LED ...
Many modern GPUs rely on VRAM. In contrast, a GPU that does not use VRAM, and relies instead on system RAM, is said to have a unified memory architecture, or shared graphics memory. System RAM and VRAM have been segregated due to the bandwidth requirements of GPUs, [2] [3] and to achieve lower latency, since VRAM is physically closer to the GPU ...
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.
At Hot Chips 2016, Samsung announced GDDR6 as the successor of GDDR5X. [5] [6] Samsung later announced that the first products would be 16 Gbit/s, 1.35 V chips.[7] [8] In January 2018, Samsung began mass production of 16 Gb (2 GB) GDDR6 chips, fabricated on a 10 nm class process and with a data rate of up to 18 Gbit/s per pin.
The GeForce 16 series is a series of graphics processing units (GPUs) developed by Nvidia, based on the Turing microarchitecture, announced in February 2019. [5] The 16 series, commercialized within the same timeframe as the 20 series , aims to cover the entry-level to mid-range market, not addressed by the latter.
SGRAM is single-ported. However, it can open two memory pages at once, which simulates the dual-port nature of other VRAM technologies. It uses an 8N-prefetch architecture and DDR interface to achieve high performance operation and can be configured to operate in ×32 mode or ×16 (clamshell) mode which is detected during device initialization.
This data can be used by a colour encoder to output graphics. It uses external VRAM via a 16-bit address bus. It can display up to 64 sprites on screen, with a maximum of 16 sprites per horizontal scan line. [6] The minimum resolution is 256 × 224 pixels, with resolutions up to 512 × 240 being possible. [2]
The PC1512 shipped with 512 KB of RAM; it could be upgraded to 640 KB of RAM with 16 pieces of 4164-120 Dynamic RAM chips (64KBx1 per chip) and setting a jumper. [14] Video output was compatible with the CGA standard, with an extension allowing all 16 colours to be used in the 640×200 graphics mode.