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Graphics Double Data Rate 7 Synchronous Dynamic Random-Access Memory (GDDR7 SDRAM) is a type of synchronous graphics random-access memory (SGRAM) specified by the JEDEC Semiconductor Memory Standard, with a high bandwidth, "double data rate" interface, designed for use in graphics cards, game consoles, and high-performance computing.
GDDR SDRAM is distinct from the more widely known types of DDR SDRAM, such as DDR4 and DDR5, although they share some of the same features—including double data rate (DDR) data transfers. As of 2025 [update] , GDDR SDRAM has been succeeded by GDDR2 , GDDR3 , GDDR4 , GDDR5 , GDDR5X , GDDR6 , GDDR6X , GDDR6W and GDDR7 .
The timing of modern synchronous dynamic random-access memory (SDRAM) is commonly indicated using four parameters: CL, T RCD, T RP, and T RAS in units of clock cycles; they are commonly written as four numbers separated with hyphens, e.g. 7-8-8-24.
In SDRAM chips, the memory in each chip is divided into banks which are refreshed in parallel, saving further time. So the number of refresh cycles needed is the number of rows in a single bank, given in the specifications, which in the 2012 generation of chips has been frozen at 8,192. [needs update]
gddr7 sdram 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 .
gddr7 sdram From a page move : This is a redirect from a page that has been moved (renamed). This page was kept as a redirect to avoid breaking links, both internal and external, that may have been made to the old page name.
High Bandwidth Memory (HBM) is a computer memory interface for 3D-stacked synchronous dynamic random-access memory (SDRAM) initially from Samsung, AMD and SK Hynix.It is used in conjunction with high-performance graphics accelerators, network devices, high-performance datacenter AI ASICs, as on-package cache in CPUs [1] and on-package RAM in upcoming CPUs, and FPGAs and in some supercomputers ...
Synchronous dynamic random-access memory (SDRAM) was developed by Samsung. The first commercial SDRAM chip was the Samsung KM48SL2000, which had a capacity of 16 Mb, [26] and was introduced in 1992. [27] The first commercial DDR SDRAM (double data rate SDRAM) memory chip was Samsung's 64 Mb DDR SDRAM chip, released in 1998. [28]