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