Low hashrate 2080s

[mrzmax]

Hi, I've downloaded and compiled latest version. Cuda 11.4, msvs2019.
I have about 2mH/s using version compiled by me. Using ccminer_cuda11.exe about 4mH/s.
Could you please assist what I missed?

[2021-08-26 01:47:08] GPU #0: MSI NVIDIA GeForce RTX 2080 SUPER, 1278.12 kH/s
[2021-08-26 01:47:14] GPU #0: MSI NVIDIA GeForce RTX 2080 SUPER, 1997.93 kH/s
[2021-08-26 01:47:20] GPU #0: MSI NVIDIA GeForce RTX 2080 SUPER, 1997.93 kH/s
[2021-08-26 01:47:27] GPU #0: MSI NVIDIA GeForce RTX 2080 SUPER, 1989.09 kH/s