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X240 Cpu upgrade ?

X230-X280, X390 Series
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kpoman
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Joined: Sat Jul 21, 2007 10:01 am
Location: BRASILIA

X240 Cpu upgrade ?

#1 Post by kpoman » Wed Apr 29, 2015 5:52 pm

Hello all,
I own an x240 with i5-4200U and 4GB of ram. I would like to upgrade it as much as possible. Which is the best cpu I can put on it ? About the ram I know the max is 8gb ddr3l sodimm.
Thanks
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ajkula66
SuperUserGeorge
SuperUserGeorge
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Joined: Sun Feb 25, 2007 11:28 am
Location: Belgrade, Serbia

Re: X240 Cpu upgrade ?

#2 Post by ajkula66 » Wed Apr 29, 2015 6:17 pm

You can't upgrade the CPU on any X-series Thinkpad since they are soldered to the motherboard.
...Knowledge is a deadly friend when no one sets the rules...(King Crimson)

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George (your grouchy retired FlexView farmer)

One FlexView to rule them all: A31p

Abused daily: T520, X200s


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axur-delmeria
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Re: X240 Cpu upgrade ?

#3 Post by axur-delmeria » Thu Apr 30, 2015 1:23 am

1. While the HMM for the X240 doesn't have the comprehensive FRU listing found in previous generation Thinkpads (to heck with you Lenovo), the exploded parts diagram doesn't show a processor separate from the system board, so that's one confirmation that it's soldered.

2. Processors with the U suffix (i5-4200U) are Ultrabook processors, which are always soldered to the board and never socketed.

3. X-series Thinkpads are ultraportables, and have had soldered CPUs since the first incarnation (X20), in order to reduce height/thickness and weight.
Planned Purchase: T480s i5-8350 FHD Touch
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Temetka
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Re: X240 Cpu upgrade ?

#4 Post by Temetka » Wed May 13, 2015 1:23 pm

That being said, maybe he can swap the motherboard for one with a better CPU?
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