Tom's Hardware > Forum > Laptops & Notebooks > General Laptops & Notebooks > Laptop CPU upgrade?
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Anonymous   06-09-2009 at 11:04:15 PM

Hi, I recently ordered a Lenovo Y450 with a T6400 @2.0Ghz but when I checked my order status page it says it shipped with a T5900 @2.2Ghz. Is this an upgrade? I know the T6400 is 45nm and the T5900 is 65nm. Will I get better performance out of the older T5900 over the T6400 considering the difference in clock speed?

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Bronze Laptops badge frozenlead   06-09-2009 at 11:13:19 PM
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You probably won't notice a difference. The T5900 will consume slightly more power, though. It's an older technology at a higher clockspeed. Even though the T6400 has a lower clockspeed, the technology in it is more efficient. Honestly, though, unless you're really pushing the chips, they won't show much difference.

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------------------------------ Sager NP5793 | T8100 2.1GHz | 4GB DDR2-667 | 8800mGTX 512MB | 320GB 5400rpm | 1920x1200 17", 24" | Win 7 x64
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Anonymous   06-10-2009 at 12:08:15 AM
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frozenlead wrote :

You probably won't notice a difference. The T5900 will consume slightly more power, though. It's an older technology at a higher clockspeed. Even though the T6400 has a lower clockspeed, the technology in it is more efficient. Honestly, though, unless you're really pushing the chips, they won't show much difference.



Ah, so they are pretty much even in terms of perfromance. What's "pushing the chips"? I will use my laptop for MS Office, MS Visual Studio for coding and sql stuff. Also, for watching dvd's and playing HD files along with mp3s. I also convert avi's/mpeg's to dvd here and there. Will it show a difference while doing some of those things? I think if a T6400 can really performe better with lower power consumption then a T5900 @2.2Ghz can then its not really an upgrade. Should I call them on it?

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Bronze Laptops badge frozenlead   06-10-2009 at 06:58:52 AM
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You would notice a slight difference in file conversions, but nothing really else for the rest of the things you do.

Message quoted 1 times
------------------------------ Sager NP5793 | T8100 2.1GHz | 4GB DDR2-667 | 8800mGTX 512MB | 320GB 5400rpm | 1920x1200 17", 24" | Win 7 x64
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Anonymous   06-10-2009 at 07:36:45 AM
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frozenlead wrote :

You would notice a slight difference in file conversions, but nothing really else for the rest of the things you do.



I see, eh I guess it's no big deal, thanks for your replys.

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