An article on golem.de cites (Google translated) "According to Sifive, the U84 supports a heterogeneous core complex: four U84, four U74 and one S2 core can be

An article on golem.de cites (Google translated) "According to Sifive, the U84 supports a heterogeneous core complex: four U84, four U74 and one S2 core can be combined." The U84 is OoO comparable to Cortex A72. The U74 is comparable to A55. The S2 is comparable to Cortex M0/M3/M4 (depending on configuration) but with 64 bit registers and addressing. https://scr3.golem.de/screenshots/1910/SiFive-U84-U87/thumb620/SiFive-U8-Series-12.png https://scr3.golem.de/screenshots/1910/SiFive-U84-U87/thumb6... https://www.golem.de/news/risc-v-sifives-u87-kern-nutzt-vector-erweiterung-1910-144619.html https://www.golem.de/news/risc-v-sifives-u87-kern-nutzt-vect...