XDR RAM Gets A Big Boost

[Aggressor Prime]

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XDR RAM will be used in the PlayStation 3 and other consumer entertainment products in 2005. By 2006, XDR RAM will hit "performance PCs" and "video cards." In other words, XDR RAM will be used for system and video memory. This is also the time that DDR3 hits the system, GDDR5 hits the video cards, and MRAM replaces DRAM. Most likely GDDR5 will not hit and ATI will convert to XDR RAM as nVidia will with their NV50s. AMD is moving into DDR2 by the start of 2006. Intel has an unknown memory standard for 2006. Intel might be the first to utilize this technology. If it works well, which it will, then AMD will modify their memory controller again to add on XDR MRAM by the end of 2006. AMD will most likely already have to modify their memory controller in order to utilize MRAM technology. So how fast is this XDR RAM? 8GHz is the top speed. Desktops, however, can support 128-bit setups (dual channel DDR/XDR). That gives you 16GHz (128GB/s). Video cards, with 256-bit memory controllers, give you 32GHz (256GB/s). That is pretty fast compared to the 3.2GB/s of DDR400 and the 35.2GB/s of the GeForce 6800 Ultra.