Details about the overclocking potential of the AMD Ryzen 7 4700G have been revealed online. The Zen 2 APU, which is reported to have a 4.4 GHz boost clock and a 65 W TDP, has been shown to reach over 4.7 GHz at 1.425 V. The APU is also thought to include an 8 CU GPU and will support SMT.
https://www.notebookcheck.net/AMD-Ryzen-7-4700G-manages-over-a-300-MHz-overclock-on-4-4-GHz-boost-clock-at-1-425-V.480453.0.html