Running the latest version fine in only ethash, at 55Mhs.

Hi, i m having problem with my 3070ti LHR with 8gb memory to run in dual mode. dual in ethash and ravencoin.
Getting short in memory, after finishing the dag-file, i got only 2.9Gb memory free, and i need 3.2gb to work in dual-mode.
Pls help.