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Aquí os traemos este artículo de Thomas Soderstrom en Tom’s hardware titulado:”X48 Motherboard Comparison”

The X48 Northbridge: X38 Redux?

Few users question the notion that today’s fastest systems will use Intel’s highest-model PC chipsets, since these have consistently outpaced rival controllers in overclocking capability. Even builders who don’t overclock can appreciate the added stability required for Intel to reach this position, but is the introduction of a new chipset model name a good enough reason to rush out and buy a new motherboard?

A brief look back to former chipsets shows that Intel’s biggest breakthrough in high-speed stability dates to the P965 release of 2006. Though the P35 Express that replaced it was somewhat better, added features appeared to be the only reason for buyers to spend more for the upscale X38 Express that followed. Now Intel would like us to consider its latest “Ultimate Feature”, official support for FSB-1600 processors via the X48 Express. But given that most X38 and many P35 motherboards can automatically configure FSB-1600 already, we can see where a few readers might not yet be convinced of the X48’s necessity.

There’s been much debate over the significance of Intel’s X48 Express northbridge, with some arguing that its nothing more than an X38 validated at a higher clock speed, and others claiming that the additional validation makes these chips special. Some even compare the processor market, where the Core 2 Extreme QX6850 Compare Prices on QX6850 Processor and latest-production Core 2 Quad Q6600 use the same G0 stepping cores. Yet the QX6850 contains an added feature over the G0 stepping Q6600, as all Intel Extreme processors have the multipliers unlocked in both the upward and downward directions. Do X48 buyers benefit from such added features? Let’s take a closer look. (leer más…)

Fuente:[Tom’s hardware]

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