Anyone using these line of code with WinMiner?

It's what I use when mining XMR on Vega56 and it does around 1600+H/s but it's not recognised within WinMiner meaning i'm stuck around 1400H/s.

"gpu_thread_num" : 2,

"gpu_threads_conf" : [
    { "index" : 0, "intensity" : 2016, "worksize" : 8, "affine_to_cpu" : false },
    { "index" : 0, "intensity" : 1600, "worksize" : 8, "affine_to_cpu" : false },
  ],


Thanks