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AMD Barcelona performance promises revealed - TechAmok
AMD Barcelona performance promises revealed - [hardware] 04:00 PM EDT - Jul,03 2007 - post a comment Despite delays plaguing AMD's Barcelona processors, early performance numbers
for the chips seem somewhat encouraging. The chaps over at
The Inquirer have managed to nab SPECint_rate2006 integer and SPECfp_rate2006
floating point scores for a Barcelona-based Opteron 2356 clocked at 2.3GHz:
These figures were from a few months ago, so things may well have changed since then. But in the Integer test, a Barcelona 2.3GHz yields 21% higher score than Clovertown 2.66 GHz, but Floating Point test leaves a staggering 50% performance deficit for Clovertown, and this is not something 45 nanometre Penryn can solve overnight. Unless, of course the clock deficit for AMD is such that Intel speeds past.
When it comes to comparing Barcelona to Santa Rosa, a 3.0GHz clocked Opteron 2222, Barcelona is in general, around 65-70% faster than the highest-clocked dual-core Opteron. SPECweb99 yields a hefty 67% performance increase, SPECweb99_SSL offers 66%, while SAP-SD offers 70% performance increase.
The highest gain, of over 100% can be seen in SPECweb2005/Ecom benchmark, while smallest gain was in TPC-C SQL2000, where only 42% gain was marked. This was all based on 2P (dual-socket) systems, of course.
In the four-socket arena, Opteron 8222 versus 8356 offers an average of over 60% performance boost, which is not a small thing - given that clock difference is 700MHz. SPECweb99 and SPECweb99_SSL give 68% performance increase, SPECweb2005/Ecom yields another scaling dream (91%), while most modest increase is again, TPC-C SQL2000. Nevertheless, TPC-C Oracle test will yield 75% performance increase while Terminal Services will offer 71%.
The Barcelona's lead is massive, but that's not exactly unexpected considering the new chip has an extra two cores and a much improved architecture. It is worth pointing out that 2.3GHz Barcelonas aren't due out until at least the fourth quarter of this year, though. |
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