The Qualcomm Snapdragon 888 has three distinct types of cores.
"Snapdragon 888 ... has three CPU core sizes: a single large ARM X1 core for big single-threaded workloads, three medium Cortex A78 cores for multicore work, and four Cortex A55 cores for background work."
"Snapdragon 888 ... has three CPU core sizes: a single large ARM X1 core for big single-threaded workloads, three medium Cortex A78 cores for multicore work, and four Cortex A55 cores for background work."
https://arstechnica.com/gadgets/2021/04/new-reports-say-the-...