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Question regarding Mobile AMD APU

post #1 of 6
Thread Starter 
Hello, I'm not a native english speaker and also new to this Forum. I really hope I post my question in the right place.

So, for about a year now I've been the owner of an Asus k53tk Laptop, fitted with an AMD A6-3420m APU, 4 Gb RAM, 750 gb HDD and a dedicated AMD 7670m 1 GB GPU.

My current APU is overclocked and stable vie K10Stat on a frequency of 2533 Mhz and a voltage of 1.135. I have ran several High Stress tests via Intel Burn and played several new and high-end games, with an average fps of about 30-40 fps; depending on game and apu/gpu load,temperature topped 79 degrees Celsius (APU temperature) on most games, never went past this point.

Although I'm currently happy with how my laptop performes with current games, I believe the next-gen games will not be handled very fluently. What I'd like to do is to upgrade the APU, and thinking about the A10-5750m. Besides the upgrade, I'd also like to OC the new APU as far as possible without burning it, meaning I'd be careful when it comes down to monitoring the temperatures under full APU load.

My question is if it is possible to upgrade the APU on this laptop? If so, what APU's would it support, where should I further research this possibility, and what factors should I take into consideration before even thinking about buying another mobile APU?

Have any of you ever succeeded in upgrading the APU on a laptop?

I'll post a couple of links regarding my current and desired APU's, thinking it would help you guys out into answering my question:

1. http://www.notebookcheck.net/AMD-A-Series-A10-5750M-Notebook-Processor.92882.0.html

2. http://www.notebookcheck.net/AMD-A-Series-A6-3420M-Notebook-Processor.61302.0.html

3. http://www.asus.com/Notebooks_Ultrabooks/K53TK/#specifications

Thank you for your time.

JrT.
post #2 of 6
The laptop's CPUs are upgradable if it's not soldered.

You need to open up the laptop and check it yourself.

Your temperature's looks alright, so you might have a bit of room left for overclocking if you upgrade to an A10.


However, a mobile A10 might be hard to find.

You can successfully upgrade any CPU in anything as long as the socket matches and the BIOS supports that CPU. But since the APU you are looking forward to purchase is one generation newer than the APU you have, you might want to check ASUS's website and see if they updated that motherboard's BIOS to support newr APUs.


Hopefully I helped, and welcome to OCN smile.gif
Power Bac G5
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Power Bac G5
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post #3 of 6
I own an A8-3500M laptop myself. It's crazy how much those little chips will overclock biggrin.gif

However, I don't think the newer Trinity/Richland APUs are socket compatible with your current llano laptop. Even if it were, you would only get a modest boost in GPU performance... ant not much else.

My advice: wait until the Kaveri APUs come out, then buy a new laptop if you can. Kaveri will be a more significant upgrade than Trinity/Richland would.


If you just want to upgrade your CPU, look for an A8-3510MX somewhere.
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Bruce
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post #4 of 6
Thread Starter 
Thank you both for the replies.

I aimed for the A10 model because it is currently best and cheap. Yes, locally I can purchase laptop parts easily, including some APU's.

First off I will look into the APU whether it's soldered or not onto the motherboard. Secondly, I'll do some more research, maybe try to contact ASUS regarding the BIOS.

Secondly, never came to mind about different APU generations, I should be looking into the best Liano-based APU. Yes they can overclock really good, I've seen the A6-3420m OC'd up to 2.9 Ghz stable, but I don't wanna kill it. Temperatures grow exponentially even when it comes down to a 100 Mhz Boost on all four cores, so for a 400Mhz boost per core, temperatures will rise up to and beyond 95 degrees C - In my opinion, it's not worth it considering it's a laptop, not a desktop - no rome for improving the cooling.

I might stumple upon new questions, so I'd like it, if possible, not to close this Thread.

Thank you guys,

JrT.
post #5 of 6
If you do end up replacing the processor, I recommend getting better TIM while you're at it

http://www.outletpc.com/sg3217-coollaboratory-metalpad-for-laptop-processor.html

CLU is pretty much as good as it gets, and compared to bad/old OEM thermal paste, you could see a huge drop in temps.


Awhile ago, I had the idea of making a linux script that automatically overclocks/undervolts your llano APU using TurionPowerControl for you. You would set the frequencies you want in the P-states (2.7 max down to 400mhz idle, for example), and it stress tests until it finds the lowest stable voltage for each P-state, possibly on each individual core. I'll let you know if I get around to making the script.
Bruce
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Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
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Bruce
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CoolingOSMonitorKeyboard
Hyper 212+ with extra fan Windows 10 Education x64 Shimian QH270 @110hz Medieval Dell OEM Keyboard 
PowerCaseMouseAudio
Corsair TX750 V1 Antec 300 Black Illusion  Logitech G400s Xonar ST 
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Fostex T50rp with BMF mod Archer T9E Wifi adapter 2x Yate Loon D12SL-12D 120x38mm fans Thermalright TY-143 fan 
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post #6 of 6
Thread Starter 
Ok, I did some research regarding APU's that could be compatible with my laptop's motherboard.

So, my final conclusion is that, although possible, it does not offer me an important performance boost. So, potential candidates could be the A6-3430MX, A8-3500M, A8-3510MX, A8-3520M, A8-3530MX, and A8-3550MX.

http://en.wikipedia.org/wiki/List_of_AMD_Accelerated_Processing_Unit_microprocessors#Lynx_-_.22Llano.22_.282011.2C_32_nm.29

As I've stated earlier, I am currently running an OC'ed APU at 2533 Mhz, so I'm kinda on par with all the above listed APU's, excluding the A8-3530MX and A8-3550MX. They are Clocked at 1.9, respectively 2.0 Ghz, with a boost of 2.6Ghz and 2.7.

Oh, and the difference between the m versions and the mx, is the DDRAM frequency (m=1333 Mhz, mx=1600 Mhz).

I've read elsewhere that it theory, it's possible to switch from a 35W APU to a 45W. Also, I have read on a different forum about some dude that's made an mobile apu upgrade, and although he didn't see any major increase in performance, he did encounter several BSOD's after the upgrade.

Overall, I'm quite happy with my current APU, since it's stable and overclocked, withouth having to deal with annoying and useless BSOD's.
Oh, and the L2 Cache is same zise regardless of the APU, 4 Megabytes.

I'm satisfied and disappointed at the same time.

Thanks anyway guys,

JrT.

Btw, the Linux script ? Sounds damn good, it would spare all of us a lot of hassle and time spent during overclock experimentation. Good Luck with the script, it's awesome, wish I had it when I overclocked my APU.

Best Regards.
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