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Originally Posted by [flAsh
]hey alpha u r little 2 smart.
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Thank you!
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Originally Posted by [flAsh
]first of all itanium2 and opteron are 2 battle with each other. True AMD64 runs 32bit apps better than IA64, thus opteron seems 2 win here. but again IA64 is more robust architecture.
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AMD64 runs 32bit apps better than IA64 simply because it actually runs them! IA64 chips (namely the Itaniums) are incapable to running 32bit apps. That's what Rajesh_K is trying to say, as this is the main advantage of AMD64; it does not force you to choose between the present and the future.
As I said earlier, pure 64 bit processors run 64 bit application better. It is not right to compare the Opteron with Itanium2 in terms of performance. Even though they are both targetting the same market segment, they are based on radically different technologies. Their programs are not inter-compatible. Code has to be compiled (or re-written) seperately for each architecture.
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Originally Posted by [flAsh
]Pentium 4'f' are basically prescott with increased L2 cache of 2mb. moreover 64bit P4 EE are 2 b available in market soon (none of the 64bit P4 are available officially as said by Intel)
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Wrong. The P4F are not the same as a Prescott. The 'F' series is the original 64bit P4 series, sporting what Intel calls the IA32e or EM64T. I have not heard of them having larger than normal L2. I also doubt that Intel will have a 64bit P4EE so soon, when it has not even shipped the normal 64bit P4s into the retail channel. The EEs are for enthusiasts or hardcore gamers, while IA32e is targeted at cheap(er) servers and workstations.
Since all prescott are internally based on a 64bit micro-architecture, it is said that all Prescott are IA32e capable, but disabled (damn it!).
If any P4F ( which are now avaialable in 3.2, 3.4, and 3.6) are available for retail, then they are leaked. Intel clearly said that the P4F are only for OEMS who request these for servers of workstations. It will not release them to the general public until relevant software (read Windows 64 for extended systems) and drivers are available.