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Mobile CPU Upgrade

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a b à CPUs
June 28, 2012 6:58:10 PM

I have an Acer Aspire 5251 from a client that has the AMD V120 Champlain cpu installed from the factory. My question is can I upgrade the cpu for the client to say an AMD Phenom II X3 N850 Champlain cpu. I have the sockets matched as S1(638) which appears to be the same for both. The TDP is similar too. The stock cpu has a TDP of 25watts max and the N850 has 35watts. Both are compatible with the DDR3 controller for memory. I am also curious if anyone knows whether or not these V series cpus are soldered to the mainboard or are do they rely on sockets like traditional desktop and mobile cpus. If you think an upgrade is possible but not with the cpu I suggested I'd like to know which you think and why.


This is where I have been gleaning my information:

Stock CPU http://www.cpu-world.com/CPUs/K10/AMD-V%20Series%20V120...

Potential Upgrade http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20Tri...



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a c 152 à CPUs
a b À AMD
June 28, 2012 7:14:01 PM

npsgaming said:
I have an Acer Aspire 5251 from a client that has the AMD V120 Champlain cpu installed from the factory. My question is can I upgrade the cpu for the client to say an AMD Phenom II X3 N850 Champlain cpu. I have the sockets matched as S1(638) which appears to be the same for both. The TDP is similar too. The stock cpu has a TDP of 25watts max and the N850 has 35watts. Both are compatible with the DDR3 controller for memory. I am also curious if anyone knows whether or not these V series cpus are soldered to the mainboard or are do they rely on sockets like traditional desktop and mobile cpus. If you think an upgrade is possible but not with the cpu I suggested I'd like to know which you think and why.


This is where I have been gleaning my information:

Stock CPU http://www.cpu-world.com/CPUs/K10/AMD-V%20Series%20V120...

Potential Upgrade http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20Tri...


Here a list of cpu's that should fit in your laptop, be aware though that can still be limitations by the mainboard itself.

http://www.cpu-world.com/Sockets/S [...] g4%29.html

Also found this to narrow some stuff down:

http://www.cpu-upgrade.com/mb-Acer [...] -1513.html
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June 28, 2012 8:01:17 PM

The first link seems to be dead. The second link however was helpful. I will encourage the client to do the upgrade to the X920. I have yet to find any limitations except TDP. Do you think the TDP difference will cause instability or heat issues?
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a c 152 à CPUs
a b À AMD
June 28, 2012 8:05:20 PM

It it really depends on the motherboard. A TDP of less than 25 watts probably won't do anything but a TDP greater than 25 watts might cause problems.
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a b à CPUs
June 28, 2012 10:35:26 PM

Best answer selected by npsgaming.
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a b à CPUs
June 28, 2012 10:37:01 PM

The client has decided to just hold off on the new cpu and they are going to get a new laptop in a few months. The question, however, was still in the pursuit of knowledge so no loss there! Thank you rds1220 for the quick replies and for giving me a bit more insight!
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