Computing Paradox: More Memory, Less Power

Windows 7 is the operating system likely to rescue Microsoft’s mojo in the PC software business.

Windows Vista was largely a failure. Windows 7 is likely to encourage the widespread replacement of aging Windows XP computers. (This is true despite a market study this weekend from Net Applications suggesting it is not denting the steady expansion of Apple’s Mac OS X).

New chips, less power, says Samsung

Windows 7 also is enabling another first: PCs that uses less power and run more memory. Here is a calculation released Monday from memory maker Samsung.

The company’s DDR3 memory chip manufactured at 40 nm can cut power use by 60 percent compared with the previous generation a DDR2 chip made at 60 nm.

Coupled with Windows 7, which has its own power management features, power savings are significant while memory capacity doubles to 4 GB from 2 GB.

The paradox illustrates the efforts modern chip designers have made to improve energy performance.

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