The Exynos 2100 is Samsung’s first flagship chip with an integrated 5G modem and its second to be built on the 5nm EUV process. Also, it’s the first Exynos chip to get its very own launch event. The processor adopts ARM’s new high-performance Cortex-X1 core and runs it at up to 2.9 GHz. Joining it are three A78 cores, plus four power efficient A55 cores. Samsung claims that this CPU is 30% faster in multi-core tasks compared to the Exynos 990. Part of that advantage comes from the more advanced process, which can enhance performance by 10% (at the same power level) or lower power...
Source: https://www.gsmarena.com/exynos_2100_unveiled_with_cortexx1_cpu_40_faster_malig78_gpu_and_integrated_5g_modem-news-47167.php