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Re: [K12OSN] Xeon vs Opteron ?

Personally, I'd go for the Opteron. Though I'm not a programmer, from what I've read, Intel doesn't exactly implement the AMD64 instruction set properly, and x86-64 GNU/Linux development is really geared toward the Opteron. Also, the Opteron's just a better chip than the Xeon. It tends to quite handily beat any Xeon, be it in 32-bit or 64-bit mode. And that's with over a 1GHz clock-speed disadvantage.

Finally, I have yet to see an EM64T chip actually for sale. I see Opterons all over the place, which means that they're not in short supply at this point.

You should also compare motherboard prices. For me, this would be a factor; I've found Tyan boards to be very good over the years; I've got a couple of their dual Athlon MP mobos. MSI's dual Athlon motherboard has also been trouble-free for me. To my knowledge, ASUS does not yet make a dual-Opteron mobo (maybe scared of Intel?).


Robert Arkiletian wrote:

Which cpu would you recommend for a multi user environment like k12ltsp
Anyone have any personal experience to compare.

The following cpu cost the same

Xeon 2.8 EM64T 1MB cache 800 FSB
Hyperthreading (With HT kernel sees double the cpus)

Opteron 242 Advantage:
Built in memory controller (beats xeon on most benchmarks)

Would your choice be different on single cpu vs dual cpu server?

Robert Arkiletian

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