A handloom converts the weaver's physical effort into every stage of weaving: treadles open the shed, hands throw the shuttle, and the reed is pulled to beat each weft row into place. A powerloom performs the same three motions mechanically, with an operator supervising rather than weaving. The practical consequences are speed and consistency on the powerloom side, and flexibility on the handloom side—a weaver can change a motif, insert extra weft, or adjust tension pick by pick.
For buyers, the meaningful differences show up in the cloth. Handloom fabric often has slight irregularities, hand-worked motifs visible on the reverse, and a softer drape in fine cottons. Powerloom fabric is more uniform and generally less expensive. Neither is inherently superior; the right choice depends on whether the buyer values hand-worked character and craft employment, or uniformity and cost.