gpus

Where should I start if I want to build a gpu server to run dreamfusion text to 3d generation?

While playing Fallout 4 and Far cry Primal I noticed that my RX 460 was not drawing its full 76W as it does in Furmark and other games. It was stuck at 52 W and I got only 24fps. However the GPU utilisation was not dropping much , only to 98% when the drops ocurred. Is this behaviour normal? I...