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AMD E-450 overclock?

post #1 of 32
11/7/12 at 11:31am
Thread Starter 
Hi,

I've got a toshia satilite laptop with a AMD e-450, I was wonderingif anyone has over clocked this laptop or knows if its safe to do so?

Toshiba Satellite L750D-14R with AMD E-450 APU with Radeon HD Graphics 1.65GHz.

Thanks
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post #2 of 32
11/7/12 at 4:23pm
check out the last page, last post of my thread
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post #3 of 32
11/8/12 at 10:20am
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So what your saying is it can be using Brazostweaker?

What speed would it be ok to go to with out any changes to the laptop hardware?
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post #4 of 32
11/8/12 at 12:35pm
yes it can, but i hope you red the whole thing tongue.gif

if your cooling sucks like mine (60C ideal T - 71C stress T) then don't go over 2.20Ghz for general/multimedia use and 1.80Ghz for light gaming,

anyway post some T figures so i can get an idea about your cooling
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post #5 of 32
11/8/12 at 12:37pm
My Asus netbook with AMD C-60 1.0ghz (1.3 Turbo) can do 3.2Ghz (!!!) with BrazosTweaker smile.gif
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post #6 of 32
11/8/12 at 12:43pm
Quote:
Originally Posted by RealityCheck View Post

My AMD C-60 1.0ghz (1.3 Turbo) can do 3.2Ghz (!!!) with BrazosTweaker smile.gif

good for you chap mine can do 3.34Ghz!, but it's an empty overclock, it has no real world performance increase, do some benches and see if overclocking did improve your score
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post #7 of 32
11/8/12 at 12:47pm
Quote:
Originally Posted by omari79 View Post

good for you chap mine can do 3.34Ghz!, but it's an empty overclock, it has no real world performance increase, do some benches and see if overclocking did improve your score

Of course it does.

You're probably doing it wrong. In my case, I have to set the P1 State multiplier to 1.25, TOGETHER with the P0 State, which is the turbo. This way, anytime there is load on the CPU, it will always be at 3.2ghz

If you want to see improved performance, overclock the both the P0 and P1 states to the same clock.
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post #8 of 32
11/8/12 at 1:06pm
there is only a GPU turbo on the E - 450 (500Mhz > 600Mhz ) also, P0 is the CPU's max Clock/turbo (C - 60) so whenever you do a stress test your APU will always defualt to P0 state, regardless of what the P1 state is, anyway, can you post a screen showing a benchmark score before and after overclocking?
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post #9 of 32
11/8/12 at 1:13pm
Quote:
Originally Posted by omari79 View Post

there is only a GPU turbo on the E - 450 (500Mhz > 600Mhz ) also, P0 is the CPU's max Clock/turbo (C - 60) so whenever you do a stress test your APU will always defualt to P0 state, regardless of what the P1 state is, anyway, can you post a screen showing a benchmark score before and after overclocking?

That's where you are wrong.

If you used CPU-Z to monitor the CPU clock under utilization, you would see that the P0 Turbo state is very conservative, and isn't 100% consistent and isn't on all the time, and will at times revert to the P1 state.

That's why you NEED to overclock the P1 state, because that way, even when turbo is not working, the CPU will always be at the desired clock speed, expect when idle.
Edited by RealityCheck - 11/8/12 at 1:16pm
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post #10 of 32
11/8/12 at 1:35pm
forget what P state you use, your CPU in any stress test, (not a basic/brief 100% CPU load) will always default to P0,

anyway, kindly post a benchmark score of your APU, before and after overclocking, it could be that brazostweaker is working for you smile.gif
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