12-13-2018 11:57 AM - edited 12-14-2018 02:37 PM
I just got a new Thinkpad X1 Yoga and I would be happy so far, if it was not for the severe thermal throttling. I checked with throttlestop and the PROCHOT (so the temperature at which the CPU thermal throttles) is set to 85C. This is far too low and should rather be 95C or 100C. Is this normal for this machine? I updated BIOS to the latest one (1.27) - no change.
12-13-2018 08:58 PM - edited 12-13-2018 08:59 PM
The official Intel specified thermal throttling temperature for a Core i7-8650U is 100°C.
Unfortunately, Intel has given manufacturers the option to use an offset value. The maximum available offset is 15°C. This will bring the thermal throttling temperature down to 85°C. Without a modified bios, there is no way around this problem. My Lenovo Y510P has PROCHOT set to a much more reasonable 99°C.
12-14-2018 06:27 AM - edited 12-14-2018 07:32 AM
But, do other people have the same problem or is it just my computer? I downgraded the bios and same problem?!
Is there a way to remove/increase the thermal limit to something more reasonable like 97 or 99C?
12-14-2018 02:08 PM
As I mentioned, the only way to change the thermal throttling temperature is with a bios update. Lenovo set this to 85°C for a reason. They must believe that the majority of their X1 Yoga customers would prefer a cool laptop over a high performance laptop. You and I disagree with Lenovo's decision but that is not going to change anything.
12-14-2018 02:17 PM
12-14-2018 05:49 PM
Wow, that's slower than an i3 of the current gneration. This is just unacceptable. I would understand if this happened for operation on battery, but when plugged in, this should not be happening!
12-14-2018 05:55 PM
12-14-2018 07:11 PM
They could fix it by allowing the CPU to go close to the 100C limit, that Intel lists. It was like that in the past. Either a BIOS update or a driver update of their power management must have changed it.