[ksec]

>They mention “performance/area” as being dramatically better than Cortex-A75.

The P550 pref / area based on Intel 7nm equivalent to TSMC 4nm / 3nm that is better than the ARM Cortex A75 released in 2017 on TSMC 10nm.

Number using Intel CPU's 7nm, normally Custom Foundry of IFS tends to offer lower density but higher flexibility. So this is more like a best case scenario.

I am also suspicious of the Intel 7nm number. There are some possibility this is actually an Intel 10nm renamed to 7nm for custom foundry partners. ( Intel 10nm being equivalent to TSMC 7nm )

[JensensStapler]

No, the area numbers quoted are for TSMC N7. You can look up comparable A75 die area numbers for N7 as well. A Cortex A76 on TSMC N7 takes up 1.27mm with L2 included. A P550 takes up 0.38mm.

[ksec]

As per Intel announcement and Anandtech [1] while not explicityly stated, the P550 number are from Intel 7nm Intel Foundry Services. I am not sure where that TSMC N7 came from.

[1] https://www.anandtech.com/show/16777/intel-licenses-sifives-...