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111 Posts

01-01-2018

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  • Message 21 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-24, 18:45 PM

6 cores 3.9Ghz while gaming? If yes can you play atleast 15minutes and show temperatures of your cpu cores? I think I'll try your settings

LENOVO Legion Y530. I7-8750h, Nvidia GeForce 1050 Ti, 16GB ram 2666MHz. SSD(128GB), HDD 1TB(7200RPM)
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8 Posts

10-24-2018

United States of America

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Re: LENOVO Y530 Power limit throtling

2018-10-25, 12:35 PM
I bet he can get 3.9 on all core with no power limit throttle, however now the problem will more than likely be thermal limit with the combined GPU heat. A real test would be to play a cpu intensive game with also the gpu on 100% load. That's my plan once I get my 170w brick
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45 Posts

09-28-2018

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  • Message 23 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-25, 13:47 PM

 wrote:
I bet he can get 3.9 on all core with no power limit throttle, however now the problem will more than likely be thermal limit with the combined GPU heat. A real test would be to play a cpu intensive game with also the gpu on 100% load. That's my plan once I get my 170w brick


Yes - you are right! I ran a quick test of Cinebench looping and MSI Kombustor and this combination drives CPU temps quickly to 95 and results in throttling down to 3.6 or so. 

 

For my use case - I don't game and the use is video rendering - my current setup is perfect and I am not changing anything going forward. The performance with these tweaks for a sub $1000 laptop (including tax!) is astounding. Yes, it was a pain to get these levels, but finally I am satisfied. 

 

1,271 on CineBench!

 

 

For those who game they might have to get more aggressive with the undervolting. 

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8 Posts

10-24-2018

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  • Message 24 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-25, 15:03 PM

1271! Nice! Yeah a slightly more aggressive undervolt and doing a repaste of the cpu and gpu with a quality thermal paste would probably make the machine a monster for the specs and price.

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163 Posts

09-02-2018

Romania

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  • Message 25 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-28, 22:42 PM

 wrote:

Answering my own question, I have sucesfully defeated power limit throttling by following these instructions:

 

https://www.youtube.com/watch?v=VhXIiBPJseI

("Disable and Lock Turbo Power Limits" - which shows how to install the RwDRV.sys file in the ThrottleStop folder)

 

The highest Cinebench with this setup is now 1,251. Running 10 loops of Cinebench with zero power limit thottling and no temperature throttling the results are now:

 

Cinebench R15

Low: 1,165

High: 1,248

Average 1,221

 

TPL Settings:

Turbo Boost Power Max: 60

Turbo Boost Short Power Max: 75

Turbo Time LImit: 3670016

 

FIVR Settings: 

CPU Core Undervolt: -200.2

CPU Cache Undervolt: -100.6

 

Speed Shift: 63 AC; 127 Battery

 

170 Watt Power Supply

Repasted with Arctic Silver MX-4

Best Buy Version of Y530 i7-8750H 1050ti

 

Good Luck! 

 


What settings for undervolting the i5 8300H version do you recommend me ? I'm using Intel XTU, and I undervolted the core/cache to -0.155, can I go a bit more agressive with undervolting ? Do I need to disable Intel turbo boost ? What do you guys think ? Thanks !

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10-24-2018

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  • Message 26 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-29, 12:19 PM

-.155 is really aggressive. I wouldn't go any lower. Remember, you are lowering the voltage for thermal and power limit reasons. If you aren't getting throttled then don't go any lower, the lower you go the less power your cpu has to operate. Less power = less performance.

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09-02-2018

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Re: LENOVO Y530 Power limit throtling

2018-10-29, 12:31 PM

 wrote:

-.155 is really aggressive. I wouldn't go any lower. Remember, you are lowering the voltage for thermal and power limit reasons. If you aren't getting throttled then don't go any lower, the lower you go the less power your cpu has to operate. Less power = less performance.


What about Intel Turbo Boost ? Do I need to disable it ? or just undervolting is enough ?

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45 Posts

09-28-2018

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  • Message 28 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-29, 15:24 PM

 wrote:

-.155 is really aggressive. I wouldn't go any lower. Remember, you are lowering the voltage for thermal and power limit reasons. If you aren't getting throttled then don't go any lower, the lower you go the less power your cpu has to operate. Less power = less performance.


You should be able to lower Cache -.125 and Core to -.250 without any issues. To be safe and to probably never have to worry about power-starvation-crashing you can lower Cache -.100 and Core -.200 and I would doubt you would ever experience any issue. 

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  • Message 29 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-29, 15:28 PM

 wrote:

Less power = less performance.


This is not true with CPU Cache. Lowering CPU Cache power will never lower performance. If you reach a point too low, then you might suffer a data-destroying cache and might get an unrecoverable data error. 

 

Lowering CPU Core will lower the max clock frequency the CPU can hit, but you probably won't notice a hit until you get to -.300+, at which point the CPU won't hit the max turbo speed. But lowering the CPU Core from base to -.200 has a huge effect on temperature, lowering it further has less effect on temperature. 

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111 Posts

01-01-2018

Lithuania

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  • Message 30 of 40

Re: LENOVO Y530 Power limit throtling

2018-10-29, 17:02 PM

 wrote:

 wrote:

Less power = less performance.


This is not true with CPU Cache. Lowering CPU Cache power will never lower performance. If you reach a point too low, then you might suffer a data-destroying cache and might get an unrecoverable data error. 

 

Lowering CPU Core will lower the max clock frequency the CPU can hit, but you probably won't notice a hit until you get to -.300+, at which point the CPU won't hit the max turbo speed. But lowering the CPU Core from base to -.200 has a huge effect on temperature, lowering it further has less effect on temperature. 


I did -350 on core and -125 on cache. Still 3.9GHz on all cores while playing six siege, cs go....

LENOVO Legion Y530. I7-8750h, Nvidia GeForce 1050 Ti, 16GB ram 2666MHz. SSD(128GB), HDD 1TB(7200RPM)
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