**SOLVED** Nvidia-settings -a [gpu:1]/GPUMemoryTransferRateOffset[3]=2000 doesn't take effect

try it as:

nvidia-settings -a [gpu:1]/GPUMemoryTransferRateOffsetAllPerformanceLevels=2000

and if you want something like “max performance” in windows try
nvidia-settings -1 [gpu:1]/GPUPowerMizerMode=1