by Steve Seguin November 25, 2008
Hynix Semiconductor has announced the world’s first 1 Gigabit GDDR5 graphics DRAM. The chips are also the fastest yet, which should help to enable a new generation of high performance graphics cards. The new graphics memory is built on a 54 nm process technology and is capable of operating at a record setting speed of 7 Gb/s. When used along with a 32-bit memory bus, the memory can process up to 28 Gigabytes of data per second and when used along with a 512-bit memory bus, a bandwidth of up to 448 GB/s should be possible. For comparison, Qimonda had announced volume production of 512 Mb GDDR5 memory rated at up to 4.5 Gb/s back in May 2008 and Samsung had announced 512 Mb GDDR5 memory rated at 6 Gb/s late last year. The ATI Radeon HD 4870 graphics card series of products were the first to ship using GDDR5 memory, which used Qimonda’s 512 Mb GDDR5 memory running at 3.6 Gb/s.
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