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NDAs dropped today on Intel's latest dual-core offering, the Core 2 Duo E6750. The CPU is a close cousin to the E6700, clocked at the same 2.66GHz speed but with a faster 1333MHz bus. In fact, it's the company's first desktop with a 1333MHz FSB, which had previously been available only in a handful of Xeons. Aside from the FSB, the differences between the E6750 and its 1066MHz FSB predecessor are negligible. HangZhou Night Net

Inquiring minds what to know: how much difference does an extra 267MHz on the FSB make? The conclusion from the horde of "prereviews" is that it helps with memory-intensive applications like Photoshop and games. For a lot of other applications, the difference will be negligible. AnandTech has whipped up a handy chart showing that on the 20 benchmarks they ran, they saw an average performance boost of 1.9 percent over the E6700.

One key selling point for the E6750 is the P35 chipset, which will also support the upcoming 45nm Penryn CPUs. That will provide you with an easy upgrade path if you've been thinking about ditching your aging Pentium 4 but have been reluctant to pull the trigger. If you're already sporting a Core 2 Duo CPU though, you can sit this upgrade out. The main purpose behind these FSB-based upgrades at the same clockspeed is to give people a more compelling reason to buy a new P35-based board without waiting for Penryn.

Aside from the memory-intensive apps, the benchmarks serve primarily as a reminder that aside from the memory subsystem, Intel's Core 2 Duo architecture has the upper hand on AMD's dual-core Athlons.

Intel has not yet released a ship date for the E6750 or its other 1333MHz FSB Core 2 Duo CPUs, but the company has said that they will be available by the end of the summer.

Further readingAnandTech: "Intel Core 2 Duo E6750 Preview: The Desktop Gets a 1333MHz FSB"Hot Hardware: "Intel Core 2 Duo E6750 Performance Preview"ExtremeTech: "Intel Core 2 E6750 Performance Preview"

 

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