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T420i

T400/T410/T420 and T500/T510/T520 Series
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mario24601
Posts: 29
Joined: Sun Oct 08, 2017 5:45 pm
Location: Los Angeles California

T420i

#1 Post by mario24601 » Tue Jan 01, 2019 4:56 pm

Hi all, what the best cpu upgrade for t420i? Something fully support and no issues with heat? Just want simple plug and play. Thanks!

Thinkpad4by3
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Re: T420i

#2 Post by Thinkpad4by3 » Tue Jan 01, 2019 8:39 pm

i7-2640M should be the best dual core CPU. There is a quad core CPU but I don't remember what the model for it was that worked.
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

mario24601
Posts: 29
Joined: Sun Oct 08, 2017 5:45 pm
Location: Los Angeles California

Re: T420i

#3 Post by mario24601 » Sat Jan 05, 2019 2:55 pm

Thinkpad4by3 wrote:i7-2640M should be the best dual core CPU. There is a quad core CPU but I don't remember what the model for it was that worked.
Thanks!

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