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DDR2 vs DDR: Revenge Gained

Date: 2004-12-30

[Abstract]
   New technologies emerging in the computer market are but seldom unanimously accepted by the public. Some time is always necessary as an adaptation period during which the users are grieving ove...

[Content] PCDigitalMobileGame

New technologies emerging in the computer market are but seldom unanimously accepted by the public. Some time is always necessary as an adaptation period during which the users are grieving over the good old past and the bad new present while the manufacturers are improving the parameters of their new products. Intel's LGA775 platform began its market life by the same scenario.

As we showed in several test sessions, the new platform didn't provide any performance advantages in comparison to ordinary Socket 478 systems if you used CPUs of the same frequency. Why? The chipsets employed in LGA775 systems were oriented on the new memory type, DDR2 SDRAM, and this new memory used to be slower than DDR SDRAM. This made some PC enthusiasts and advanced users spurn systems based on Intel's i915 and i925 chipsets as slow, compared to the time-tested i875/i865 chipsets. The new graphics bus, PCI Express x16, implemented in Intel's new-generation chipsets couldn't save the day, either.

Yes, it was theoretically better, providing a much higher bandwidth, but you couldn't feel that in practice as graphics cards with the AGP 8x interface are not inferior to their PCI Express x16 analogs.

Intel and the numerous manufacturers of mainboards and graphics cards are overall putting much effort into pushing the users towards the new platform. Particularly, all new and speedy Pentium 4 models are announced for the LGA775 platform only, and the graphics card makers are also releasing new products in the PCI Express x16 variant. Yet, these two arguments are not enough to win the hearts of the users. Many applications demand a high memory performance, and DDR2 SDRAM employed in LGA775 platform just couldn't provide it.

It couldn't but it can now! We've been scolding DDR2 SDRAM for being slower than ordinary DDR memory, but this article is going to show you that DDR2 SDRAM can be faster than its predecessor!






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