Tom's Hardware > Forum > CPU & Components > CPUs > Compare Intel Core 2 Duo T5800 vs T6400

Compare Intel Core 2 Duo T5800 vs T6400

Forum CPU & Components : CPUs - Compare Intel Core 2 Duo T5800 vs T6400

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beachdog   05-11-2009 at 06:52:31 PM

What are the differences if any between these two chips? Specs appear identical with exception of "manufacturing technology."

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starams5   05-11-2009 at 08:28:05 PM
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Hi

The T5800 is a 65nm, the T6400 is a 45nm, go with the 45nm much better CPU.

http://www.dexternights.com/2009/0 [...] mparision/

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7zeal   08-27-2009 at 12:24:08 PM
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starams5 wrote :

Hi

The T5800 is a 65nm, the T6400 is a 45nm, go with the 45nm much better CPU.

http://www.dexternights.com/2009/0 [...] mparision/



Why much better ? What do you base this on ?
As far as I can see from Intel's page, T6400's VCore range is wider (1000 mV - 1250 mV) than T5800's, so, even though it may be a tad cooler on idle, on usage it will heat up more than T5800 (its max temperature is 105C compared to T5800's, which is only 90C). So why's it better?

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Anonymous   08-27-2009 at 01:48:38 PM
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Maybe because under the same load, the 45nm will be cooler...

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starams5   08-27-2009 at 04:27:13 PM
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7zeal wrote :

Why much better ? What do you base this on ?
As far as I can see from Intel's page, T6400's VCore range is wider (1000 mV - 1250 mV) than T5800's, so, even though it may be a tad cooler on idle, on usage it will heat up more than T5800 (its max temperature is 105C compared to T5800's, which is only 90C). So why's it better?



Nicolas Sarkozy already answered your question, the 45nm operates at a lower temperature.

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7zeal   08-27-2009 at 04:54:52 PM
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Anonymous wrote :

Maybe because under the same load, the 45nm will be cooler...


In idle mode, I guess, but the Intel page itself states that at maximum load, the 45nm will be hotter.
Anyway, I'm looking for a well-backed argument, one that contains maybe isn't assertive enough.

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surda   08-28-2009 at 10:24:28 PM
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in idle mode, it will be cooler, but when using full load it will be hotter.

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