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Although Core 2 Duo has been impressive since its introduction last year, a veil of secrecy has remained in place which has prevented a true understanding of the chip's capabilities. This has been reminiscent of The Wizard Of Oz with analysts and enthusiasts insisting we ignore what's behind the curtain. However, we can now see that some of C2D's prowess is just as imaginary as the giant flaming wizard.
The two things that Intel would rather you not know about Core 2 Duo are that it has been tweaked for benchmarks rather than for real code, and that at 2.93 Ghz it is exceeding its thermal limits on the 65nm process. I'm sure both of these things will come as a surprise to many but the evidence is at Tom's Hardware Guide, Xbitlabs, and Anandtech. But, although the information is very clear, no one has previously called any attention to it. Core 2 Duo roughly doubles the SSE performance of K8, Core Duo, and P4D. This is no minor accomplishment and Intel deserves every bit of credit for this. For SSE intensive applications, C2D is a grand slam home run. However, the great majority of consumer applications are more dependent on integer performance than floating point performance and this is where the smoke and mirrors have been in full force. There is no doubt that Core 2 Duo is faster than K8 at the same clock. The problem has been in finding out how much faster. Estimates have ranged from 5% to 40% faster. Unfortunately, most of the hardware review sites have shown no desire to narrow this range.
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Although Core 2 Duo has been impressive since its introduction last year, a veil of secrecy has remained in place which has prevented a true understanding of the chip's capabilities. This has been reminiscent of The Wizard Of Oz with analysts and enthusiasts insisting we ignore what's behind the curtain. However, we can now see that some of C2D's prowess is just as imaginary as the giant flaming wizard.
The two things that Intel would rather you not know about Core 2 Duo are that it has been tweaked for benchmarks rather than for real code, and that at 2.93 Ghz it is exceeding its thermal limits on the 65nm process. I'm sure both of these things will come as a surprise to many but the evidence is at Tom's Hardware Guide, Xbitlabs, and Anandtech. But, although the information is very clear, no one has previously called any attention to it. Core 2 Duo roughly doubles the SSE performance of K8, Core Duo, and P4D. This is no minor accomplishment and Intel deserves every bit of credit for this. For SSE intensive applications, C2D is a grand slam home run. However, the great majority of consumer applications are more dependent on integer performance than floating point performance and this is where the smoke and mirrors have been in full force. There is no doubt that Core 2 Duo is faster than K8 at the same clock. The problem has been in finding out how much faster. Estimates have ranged from 5% to 40% faster. Unfortunately, most of the hardware review sites have shown no desire to narrow this range.
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