Precision 7750 power levels

Question

Recently needed some more storage space so decided to add another SSD.I wanted to check how this affected battery power etc. so installed some monitoring tools, Core Temp and Open Hardware Monitor.I was a little alarmed to find that the processor, i7-10850H, was while on mains power and under moderate load, almost constantly Thermal Throttling when the core reached 100degC.I found another tool from the Intel website, Intel Extreme Tuning Utility which may be used to monitor and overclock Intel chips.This shows the power levels set as PL1 135W PL2 75W TIME 56sec.The Intel site suggest a power level for my chip as 45W but it is also affected but the effectiveness of system cooling.The larger form factor of the Precision laptop workstation is one of the most effective cooling solutions and one of the reasons for my choice.I used the Intel XTU to change the power setting until loaded core temperature levels was approx. 80-90degC so no thermal throttling occurred while running its stress test.Lower levels are PL1 62W PL2 68W TIME 10sec.The Intel XTU has a setting so that changes can be kept and restored after shutdown/restart.Unfortunately this does not seem to be working and the higher power values are again used after restart.So if I want to make these changes I have to open the utility again and make them manually. Not a very good solution.I wonder if there is a solution to make the changes apply after restart as utility suggests ?

arthurthecat · Answer

The line '..This shows the power levels set as PL1 135W PL2 75W TIME 56sec.' Should read '...This shows the power levels set as PL1 75W PL2 135W TIME 56sec.'

arthurthecat · Answer

After private messages with Dell-Cares I have updated my BIOS to the latest version 1.19
This has partially solved my problem with Intel XTU newly set PL1 PL2 & TIME values not being restored following shutdown/restart, but not the reason I had to change the values.
Changes now persist after restarting. HURRAY. Thanks Ayush for your efforts.

The new BIOS still sets the higher power levels, PL1 75W PL2 135W TIME 56sec which result in repeated Thermal Throttling of my processor with core temperatures of at least 100degC, even when the COOL thermal management setting chosen in the BIOS.
Using Intel XTU stress testing and benchmarking tools I have found that power settings PL1 62W PL2 68W TIME 8 sec very rarely result in Thermal throttling of the processor cores when temperature of 100degC are reached. This results in much cooler running of the processor cores with max temperature seen of low 90's and temperature values more normally in the range 75-85 deg C during the heavy load of the stress test and benchmarking. This results in my case with without compromising performance too much, processor speeds averaging just under 4.00Hz when all 6 cores are running during the testing.
on mains power
Intel XTU benchmark 2.0 with PL1 75W PL2 135W TIME 56sec and COOL thermal management gives a value of 2649
Intel XTU benchmark 2.0 with PL1 62W PL2 68W TIME 8sec and COOL thermal management gives a value of 2491
on battery the result fall a little when EDP throttling is active
Intel XTU benchmark 2.0 with PL1 75W PL2 135W TIME 56sec and COOL thermal management gives a value of 2247
Intel XTU benchmark 2.0 with PL1 62W PL2 68W TIME 8sec and COOL thermal management gives a value of 2268

The fans come on early with the COOL setting during the time of testing and make noticeable difference to the values seen.

I was shocked to see repeated processor core temperatures of 100degC, I think it's like, when driving a car, revving the engine to red line revs with every gear shift, even when just going to the shops for groceries.
I am trying to get some guidance from Dell about the set values and Thermal throttling before posting as RESOLVED

DELL-Cares · Answer

Could you send me the log files on smac_support@dell.com

DELL-Jesse L · Answer

arthurthecat, Let us know if you are still having issues with the system when you return from vacation.

kevin152 · Answer

My dell precision 7550 have the same problem, coretemp tool always show 98-100'C, i dont know what to do. The temperature on my old dell precision 7510 is only 33-39'C. I tried to update and fix by dell support assist, update bios but everything still the same. This new model 7550 is too bad. I will not choose dell for any of my future new laptops

(edited)

commander-cb · Answer

putty

hiya - i have new2me 7750 -

it is a very hot laptop 8/16 c/t 10875H p4000

the cooler is good, but needs proper installation-

putty

i do not know what my comp guy did - he struggled with it- got it working

" get rid of it right away " - ish , he wanted it, i had to convince him to sell.

putty

the stock -( i dont know ) i am guessing he redid to paste and pads

i did not like the way it was running - so i haD A look

putty

paste and pads is not the best idea for this lappy -

i will be putting in putty - and i expect MUICH bertter results.

putty

just use putty .... on the other stuff than the cores.

i might add some copper as well -well see - but there are issues with the cooler fit

putty

TAGchannel · Answer

@kevin152​ Just replace the thermal paste with a PCM model like PTM7950 or thermalright heilos v2. What's so difficult about it? I use heilos v2 and can boost up to 106 watts consistently at a maximum temperature of only 85°C. You guys are all very old-fashioned. when it reaches the PL1 limit, the maximum temperature is only 72c

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