Slow GPU performance MacBook Pro 13 2020

For everyone experiencing issue with new high end MacBook Pro 13 2020 with slow gpu performance. Issue results in gpu not going higher than 300hz (Can be checked using intel power gadget).

I had the same problem and resetting SMC helped!!

https://support.apple.com/ru-ru/HT201295

Now gpu works as expected from 0 to 1Ghz. It tripled FPS and gpu performance.

Hope it helps someone.