Low? What is the difference 0.6.2 vs 0.6.3 in hashrate ? ..

SRBMiner-MULTI.exe --disable-cpu --algorithm cryptonight_xhv --gpu-boost 10 --gpu-intensity 472+472

0.6.1

[2021-01-12 11:06:19]

- [cryptonight_xhv]
[2021-01-12 11:06:19] GPU0 : 888.88 H/s

[2021-01-12 11:06:19] GPU1 : 894.58 H/s

[2021-01-12 11:06:19] GPU2 : 896.10 H/s

[2021-01-12 11:06:19] GPU3 : 894.57 H/s

[2021-01-12 11:06:19] GPU4 : 895.55 H/s

[2021-01-12 11:06:19] GPU5 : 881.82 H/s

[2021-01-12 11:06:19] GPU6 : 894.83 H/s

[2021-01-12 11:06:19] Total: 6246.33 H/s

[2021-01-12 11:06:19] ==========================================================

[2021-01-12 11:06:19] GPU0 :

[T: 49c RPM: 2441 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] GPU1 : [T: 53c RPM: 2339 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] GPU2 : [T: 55c RPM: 2688 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] GPU3 : [T: 55c RPM: 2576 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] GPU4 : [T: 50c RPM: 2057 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] GPU5 : [T: 50c RPM: 1869 CC: 1100MHz MC: 1900MHz]

[2021-01-12 11:06:19] GPU6 : [T: 53c RPM: 2353 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:06:19] ==========================================================

0.6.3

[2021-01-12 11:10:02]

- [cryptonight_xhv]
[2021-01-12 11:10:02] GPU0 : 852.88 H/s

[2021-01-12 11:10:02] GPU1 : 857.03 H/s

[2021-01-12 11:10:02] GPU2 : 849.15 H/s

[2021-01-12 11:10:02] GPU3 : 851.50 H/s

[2021-01-12 11:10:02] GPU4 : 848.65 H/s

[2021-01-12 11:10:02] GPU5 : 836.51 H/s

[2021-01-12 11:10:02] GPU6 : 850.95 H/s

[2021-01-12 11:10:02] Total: 5946.68 H/s

[2021-01-12 11:10:02] ==========================================================

[2021-01-12 11:10:02] GPU0 :

[T: 50c RPM: 2615 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] GPU1 : [T: 53c RPM: 2405 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] GPU2 : [T: 56c RPM: 2685 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] GPU3 : [T: 55c RPM: 2584 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] GPU4 : [T: 50c RPM: 2112 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] GPU5 : [T: 50c RPM: 1866 CC: 1100MHz MC: 1900MHz]

[2021-01-12 11:10:02] GPU6 : [T: 54c RPM: 2348 CC: 1100MHz MC: 2000MHz]

[2021-01-12 11:10:02] ==========================================================