topic Re: CPU upgrade and socket comparison in Mobile and Desktop Processors

CPU upgrade and socket comparison

Em3ata — Wed, 22 May 2024 13:37:36 GMT

Hello colleagues,
Hello Intel,

I would like to upgrade my laptop CPU. The laptop is Toshoba L850 - 1K3

The cpu of the laptop is the following Intel Core i7-3630QM .

intel-core-i7-3630qm
I want to upgrade it with Intel Core i7 3840QM
Intel Core i7 - 3840QM

What troubles me is that for 3840qm are appointed two sockets :FCBGA1224,FCPGA988
as the i7-3630 qm is appointed only one socket :FCPGA988

So are the procesors compatible ? Or the sockets -FCBGA1224,FCPGA988 are identical ?

Regards,

Emil

Re: CPU upgrade and socket comparison

AlHill — Wed, 22 May 2024 14:23:02 GMT

Multiple issues:

First, you need to contact the laptop manufacture to determine which processors are compatable with THEIR bios.

Second, as you have already discovered, they use different sockets:

https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=70846,71459 https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=70846,71459

You would want to use the pga i7-3840QM . Regarding bga socket3ed processors, they are soldered down and cannot be replaced (unless they are on a daughter card or you replace the motherboard).

For a laptop this old, You will not find any significant performance increase.

If your laptop supports SATA drives, you would be far better off by getting a SSD drive of the appropriate siz, clone you HDD to the SSD drive, and replace the HDD with the SSD. This may require yoiu to get an adaper just for cloning purposes, or use a local repair shop to do the clone for you.

Doc (not an Intel employee or contractor)
[If you find any Intel driver you might need, download and save it now.]

Re: CPU upgrade and socket comparison

Em3ata — Tue, 11 Jun 2024 19:56:09 GMT

Hello there,

First I would like to thank you for the answer.

I've decided to try my luck and I bought the 3840qm.
I've installed it and it works without updating the Bios.
The bios recognizes it and Windows too.

The question I've now is how can I be sure that CPU
can reach/work on 3.8 ghz ?
I'm monitoring it on CPU - Z and frequency most
often stays on 3500 ~99.
Rarely goes above 3600 mhz. Is there way to test it ?

Again thanks for the previous answer. I appreciate it.

Regards,
Emil