GDDR SDRAM is expected to process massive amounts of data (bandwidth), but not necessarily at the fastest speeds (latency) think of a 16-lane highway set at 55 MPH.Ĭomparatively, DDR SDRAM is expected to have low latency to immediately respond to the CPU think of a 2-lane highway set at 85 MPH. Modern PC games are known to push the envelope with incredibly realistic high-definition environments, often requiring hefty system specs and the best video card hardware in order to play (especially when using 720p or 1080p high-resolution displays). DDR SDRAM is capable of processing two read and two write instructions per clock cycle (hence the ‘double’). 1993 to present Popular products using SDR SDRAM: Computer memory, video game consoles The ‘single data rate’ indicates how the memory processes one read and one write instruction per clock cycle. SDRAM supports pipelining due to the way its memory is divided into separate banks, which is what led to its widespread preference over basic DRAM. Processing one read and one write instruction per clock cycle results in higher overall CPU transfer/performance rates. DRAM is also a volatile memory, which means that all the stored data becomes lost once the power is cut off. refreshing) is needed to keep data intact. This is why DRAM is called ‘dynamic’ - constant change or action (e.g. One of the two basic memory types (the other being SRAM), DRAM requires a periodic ‘refresh’ of power in order to function. Because of the continuous power, SRAM doesn’t need to be ‘refreshed’ to remember the data being stored. One of the two basic memory types (the other being DRAM), SRAM requires a constant power flow in order to function. 1990s to present Popular products using SRAM: Digital cameras, routers, printers, LCD screens Larger pieces of paper allow you to scribble out more (and bigger) ideas at a time before having to erase more RAM inside of computers shares a similar effect. RAM stands for Random Access Memory, and it gives computers the virtual space needed to manage information and solve problems in the moment. RAM gives computers the virtual space needed to manage information and solve problems in the moment. Graphics Double Data Rate Synchronous Dynamic RAM (GDDR SDRAM, GDDR2, GDDR3, GDDR4, GDDR5) Take a look at your favorite device (e.g., smartphones, tablets, desktops, laptops, graphing calculators, HDTVs, handheld gaming systems, etc.
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