With no official word from Microsoft as to when the 64-bit version of Windows XP will launch, Intel has taken its first step into the consumer level 64-bit market with its latest processors. Initial test results don’t impress, but it would be unfair to draw too many conclusions based on a single test on an unreleased OS.
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The SYSmark 2004 scores above definitely seemed odd to us, and after speaking with Intel we were told that there was no way that the 560 should be faster than the 660, and definitely not faster than the 3.73GHz EE. With this in mind, we built a totally fresh testing rig and benchmarked all three processors again, one after the other. The test rig comprised an Intel D925XECV2 925XE motherboard, 1GB (two 512MB modules) of Micron PC4200 (533MHz) DDR2 memory, a Seagate Barracuda 7200.7 SATA 200GB hard drive and an AOpen GeForce 6600GT PCI Express graphics card.
The results from the new SYSmark 2004 runs were far closer to our expectations, with both the 560 and 660 chips turning in scores of 191 and the 3.73GHz Extreme Edition racing ahead with 201 points. The discrepancy in the original results was probably due to driver and Service Pack changes between the original 560 review and this one. Assuming that we still have the hardware in the lab, all future comparisons of new and old technology will be done at the point of review in the exact same testing rig.
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