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It's a pretty big difference! Often 20+% on the benchmarks. I have the previous gen CPU in my ThinkPad and it's the quietest, most pleasant laptop I have ever had. All Intel ones I dealt with are like old fridge in comparison (loud and hot outside).
So when are Lenovo Thinkpads with such chips coming out?
Although not Linux specific, the nice thing about Notebookcheck is they have a nice database of other CPUs/devices that you can easily compare against. ServeTheHome has been reviewing a lot of these minipcs as well, here's their review of another one w/ Linux compile times and a few other Linux benchmarks: https://www.servethehome.com/minisforum-um790-pro-review-big...
For those that don't know, the U, HS, and H chips are basically the same chip with slightly different bins and usually can have their TDP modified in BIOS, via Ryzen Master, or third party tools like RyzenAdj (Phoenix support: https://github.com/FlyGoat/RyzenAdj/pull/256) to perform pretty closely. (This generation the HX is a '7045' chip is closer to a desktop chip than a mobile APU)
For those unaware, this isn't AMDs top of the line laptop chip, but the top of the line ultra low power laptop chip. It's meant for ~15W thin and light devices, not thick gaming laptops, AMD has 35W parts for those.
Many benchmarks for these 2 models can be seen at:
https://www.servethehome.com/minisforum-um790-pro-review-big...
TLDR: Both Ryzen 9 7940HS and Ryzen 7 7840HS laptop CPUs (which are slower than the Ryzen HX laptop CPUs) are faster than the fastest 65 W desktop Intel Alder Lake CPU, Core i9-12900 (despite the fact that the latter not only uses more power, but it has 50% more threads).
Earlier quoted context omitted.
Idk if this is too OT but I wonder how it would fare with an ambient temp of 37°C (forecast for today).
There are countries with way hotter ambients than Germany, and CPUs have been documented to also work just fine there.
For those unaware, this isn't AMDs top of the line laptop chip, but the top of the line ultra low power laptop chip. It's meant for ~15W thin and light devices, not thick gaming laptops, AMD has 35W parts for those.
https://www.amd.com/en/product/13186 Notable improvements from previous generation: * AV1 encoding * AVX512 support
Sadly no M2 comparisons (I know they are a Linux site)