Because process affects performance per watt more than architecture so its a useful data point.
Even knowing nothing about performance, knowing that it is N6 means it probably isnt particularly power efficient (as compared to leading edge x86/ARM).
Even knowing nothing about performance, knowing that it is N6 means it probably isnt particularly power efficient (as compared to leading edge x86/ARM).
https://www.sifive.com/blog/sifive-empowering-a-new-era-of-d...
According to that graph, the P870 has 80% of the performance of Ice Lake.