speed problem on rtx 2070

hello
my gpu is nvidia geforce rtx 2070 gddr6 8GB but my speed is low. can you help me. also I am using Bitcrack sp-mod 5 but my speed is low.
please look at image :
![Un123titled](https://user-images.githubusercontent.com/33118802/234782470-a98e9d42-6946-47dc-99b5-9b3585470cb0.png)
