this post was submitted on 26 Oct 2023
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My system significantly exceeds all the performance requirements for Win11, but it doesn't have the Trusted Platform Module 2.0...and therefore cannot run Windows 11. It's disappointing that my system can run circles around a lot of newer devices but can't upgrade because it's running on an older motherboard. It's dumb that Microsoft made TPM 2.0 a deal-breaking requirement for Win11.
I'm curious what CPU you have that is on the supported list but doesn't support TPM 2.0 in firmware. Or are you just assuming the CPU support list is decided by TPM 2.0 availability?
Because most of the CPU support list is actually about hardware-accelerated virtualization features like MBEC/GMET and the performance penalties of having to emulate them when not present -- up to 40% performance loss using kernel virtualization without MBEC/GMET in particular.
This was me before I checked the compatibility app. Windows never bothered me with Windows11 update so I thought It didn't have TPM2.0+. I got curious and used the compatibility checker.
The laptop had TPM 2.1, but CPU is not compatible. oh well…
Probably for the best -- using it without those hardware features is rough. I was using a Ryzen 1600AF -- which is odd because it's not on the list although it installs normally with no issue because it's really an underclocked Ryzen 2600 Zen+ chip. The Zen+ chips are on the support list but they lack some of the virtualization features in hardware. I was seeing a massive difference in performance when I toggled the security settings that used them. Sometimes 15-20% difference in games.