Comment by zozbot234

The GPU equivalent of a single CPU "hardware thread" is called a "warp" or a "wavefront". GPU's can run many warps/wavefronts per compute unit by switching between warps to hide memory access latency. A CPU core can do this with two hardware threads, using Hyperthreading/2-way SMT, some CPU's have 4-way SMT, but GPU's push that quite a bit further.