Please advice on further overclocking.

Rooki3_N00b · May 2, 2016

Hi All.. I just overclocked my gtx 950m 4GB by 60MHz of both core and memory speed and I got a good SLIGHT speed boost on my games. It's a laptop equipped with 6700HQ processor 8gb ddr3 ram and GPU as you know what it is and with 1TB HDD. Also surprisingly I had less stuttering on the game that I stuttered on a lot. Now, when I'm playing big games, my GPU hits 65-71c and for CPU no temp change.. stays around 70.. Now, Should I further overclock this card or stay hold for now?

They say I can make 950m strong as a 960m.. is that true? Or will it be dangerous?
What is the SAFE Temp for both CPU and GPU? (Laptop).

thanks

MrKrako · May 2, 2016

Due to your system being a laptop i don't recommend you trying to go further. 71C is a safe temperature and due to all components being so close, higher temps could starting to affect other components.

Rooki3_N00b · May 2, 2016

"Thanks for fast reply!

The GPU Temp increased like by 3-4 and CPU's didn't change at all... should I still avoid it? CPU's max temp is 105 and GPU's max temp is well the "STOP THE GAME" temp I believe and heard is 85-90. I do have a triple fan cooling pad also.. think that will help,, would it?

techgeek · May 2, 2016

Unfortunately laptops are designed with a particular thermal envelope. Overclocking in a laptop usually puts the operation of the GPU / CPU outside of that envelope. It may be possible to "extend" that envelope by using a laptop cooling pad that improves airflow into the air intake on your laptop, as well as using it in a cool room It also goes without saying that you should also regularly try and blow dust out of the heatsink assemblies. This is more complex than on a desktop as without disassembly (which is tricky on a laptop) you can't access these assemblies fully. You can however blast bursts of compressed air in through the exhaust and intake ports. You should keep the duration of these air blasts short though as you don't want to damage the fan by getting it spinning too fast. Keep hitting it with compressed air until no more dust is coming out. Lastly, always monitor your temps in every game. Not all games put the same load on the GPU, you may have one or two games that really heat up the GPU. I suggest something like Afterburner with the OSD overlay (which is actually provided by the companion RTSS software) in game. This will give you realtime access to your GPU temps, fan speed, GPU usage, etc. Unfortunately not all mGPU's work well with Afterburner, but most do.

Rooki3_N00b · May 2, 2016

Thanks for reply techgeek. Good Info there.

I got many high end games like BO3, ACS, COH 2, Fallout 4, Starwars Battlefront and few more, they run at 71c of GPU and around 71-74c of CPU.

Here's another question that popped up here.. Why is it that my CPU heat is like around 71 but the load is at 25-30 and It NEVER goes beyond that?

So, considering that I HAVE the cool room and a good cooling pad, can I now up the clocks bit by bit and slowly?

And since my PC is a multi-GPU, will there be more power consumption when NOT using the 950m ( like gaming or using apps that use the 2nd GPU)?

techgeek · May 2, 2016

Well I don't know that you'll have a lot more room to play with. I personally wouldn't get the GPU warmer than 80C for extended periods of time.

As for the CPU temp, it's likely sharing the heatsink with your GPU. Usually the heatpipe runs from either the CPU or GPU to the other and then to the heatsink where the fan is mounted. So some of the heat from the GPU is being transferred to the CPU via the heatpipe. It would be best to look at the idle temp of the CPU when not running the GPU, then run a CPU stress test while leaving the GPU idle. You will likely see that the CPU usage go to 100% but not get a much higher temperature than what you see now when the CPU usage is lower, but the GPU usage is high. The issue of heat will be more important if both are loaded heavily at the same time as both will be dumping heat into the heatpipe / heatsink assembly. In this usage model, you will find that your GPU will run much hotter. Not because the GPU is being used more, but because it doesn't have near exclusive use of the laptops thermal envelope.

As for when your iGPU is in use, the 950m should be entirely shut off, so it won't be generating any heat, nor would your overclock make a difference with this usage model. As long as the iGPU is in use, the overclock of the GPU doesn't come into affect. This is all part of nVidia's Optimus tech.

Rooki3_N00b · May 3, 2016

Finally... 55mhz of core clock and 65mhz of memory clock keeps me at exact 73c.. had it up to 130 it hit 82.. burned my hands when touched the lappy.

techgeek · May 3, 2016

Rooki3_N00b :

So have you done any benchmarking to see what sort of improvement the overclock has given you? If so, what were the results?

Yeah I'd try to stay below 80C. Again since the CPU and GPU most likely share the same cooling solution, you'll need to be careful when stressing both at the same time. Hands heal, broken hardware doesn't.

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Please advice on further overclocking.

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