Benchmark data for the Radeon RX 6700 XT has been published online ahead of the card's launch next week. It seems that AMD still plans to release the RX 6700 though and with 12 GB of VRAM instead of 6 GB.
https://www.notebookcheck.net/Initial-AMD-Radeon-RX-6700-XT-benchmarks-appear-online-as-ASUS-registers-the-RX-6700-with-12-GB-of-VRAM-at-the-EEC.527241.0.html