According to a new Geekbench leak, Vivo has a phone with a 5G-as-standard SoC, 8GB of RAM and Android 10 on the way. However, the OEM already has released a phone of this description: the Z6. The only apparent differences between the 2 are their model numbers and processors.
https://www.notebookcheck.net/Vivo-may-launch-an-Exynos-980-version-of-the-Z6-5G-new-leak.459135.0.html