The Intel Arc A770 Graphics has appeared on Geekbench, likely the company's first desktop graphics card. Not only has Geekbench offered an insight into the card's performance, it has also confirmed several specifications, including what appears to be its GPU boost clock speed.
https://www.notebookcheck.net/Intel-Arc-A770-Graphics-OpenCL-performance-and-specifications-emerge-ahead-of-summer-2022-release.614172.0.html