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PentiumD 2.8ghz vs E1200 1.6 ghz????

post #1 of 7
Thread Starter 
I need some advice here
my client needs 20 machines and They told him they need minimum 2.8ghz pentium D.

im fairly certain that the e1200 will be faste an more efficient, but if someone can help me come up with reason's as to WHY it is faster with a lower clock speed. Im sure i can BS it, bu i dont wan to, thi isimportant deal =)

incase anyone asks i work for IT Vendor GlobalComputerSupplies. Brother to Tigerdirect and CompUSA, all owned by Systemax. (admin pls let me knwo if yo think im advertising)

Thank you for the Info ahead of time
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post #2 of 7
Vast updates and changes in the architecture make the core 2s much faster despite clock speed. Also let him know that they consume less power than the pentium Ds, so they will be more efficient. If you can though, I would recommend the lowest priced E2 cpus though. The added l2 cache will definitely help out going from 512kb to 1mb.
post #3 of 7
In simple term, PentiumD is a 90nm chip under the Intel Pentium microarchitecture. E1200 is a 65nm chip under the Intel core microarchitecture. It is 2 processors on one chip. E1200 should be fine if this is for office machines. The price between E1200 and E2140 is about $12-$15, may give E2140 a thought if the machines are for other purposes.
Edited by linskingdom - 6/11/08 at 5:48am
post #4 of 7
If they don't understand at all, you can tell them that the Core2 architecture has the ability to process twice as many instructions per cycle as compared to the older Netburst architecture. As such this means a 1.6Ghz E1200 will perform the same as a 3.2Ghz Pentium D while being more energy efficient.
post #5 of 7
If no overclock then i would go with Pentium D. Yes Core 2 Dou is faster but this is a celeron with only 512KB L2 which really fall behind other high end CPUs.
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post #6 of 7
Here is a good example of how chip designs affect performance - when my dad got a new computer, it came with a E6320 Intel C2D, and my system at the time had a Pentium D 805

With the 6320 at stock [1.86ghz] and the Pentium D at 3.3ghz [2.66 stock], in 3dmark06 [did run other tests but this is the only one i can remember]:

The E6320 was faster with approximately half the clock speed
Therefore the newer architecture was much more efficient with clock speeds.

As i said not sure if this applies here but the change in manufacturing process will reduce temps but increase the likelihood of killing the chip with high voltages.

That all make sense?
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post #7 of 7
Thread Starter 
Yah , good info, pretty much what i expected to hear, the 2x instruction per cycle was the wording i wa lookign for

yes these are office machines and wih the use they will get higher lvl processors woul dbe a waiste of money for them, remember 15 dollar difference is small but that adds $300 to the total order =)

Thanks to all who replied!
Edited by StormX2 - 6/11/08 at 6:01am
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Nameless Traitor
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