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Xeon skt 604 667 fsb upgrade path


Hi all,

I'm not sure if this questions has been posted before but could not find anything so here goes.

I just purchased a HP ML570 G3 quad processor (capable) machine. It has the Intel E8500 chipset and

2 xeon MP 3.16g 1m l2 cache hyper tread processors 2005-2006 era.

Cranford core I believe

According to HP Any of these processors can be installed

Dual-core Intel Xeon Processor at 3.00 GHz\2x2MB (7040)


Intel Xeon Processor at 3.33 GHz\8MB


Intel Xeon Processor at 3.00 GHz\8MB


Dual-core Intel Xeon Processor at 2.66 GHz\2x1MB (7020)


Intel Xeon Processor at 2.83 GHz\4MB


Intel Xeon Processor at 3.66 GHz\1MB


Intel Xeon Processor at 3.16 GHz\1MB

I think I may want to replace the pair with the dual core 7020 or 7040 Paxville processors in the near future.

However, I see that intel has 7100 series that have same socket 604 and fsb freq etc.

  • Tulsa – 65 nm process (2.5 – 3.4 GHz)
    • Introduced August 29, 2006
    • Dual-Core Xeon 7100-series
    • Improved version of Paxville MP
    • 667 MT/s or 800 MT/s FSB

Can any one specualte if the 7100 series is compatable on a system that originally offered the 7000 series processors?

If these are compatible, would I see much performance diffference between a similar clocked processor?

Or I should just stick 1or 2 more of the same and spend the $ elsewhere?


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