What are the similarities between belt and chain drives?

Factor: slip occurs | in chain: No | in belt: Yes,
Factor 2: size of the drive | in chain; Compact | in belt:Bulky
Factor 3: Transmission efficiency | in chain: high(98%) | in belt: less
Factor 4: Number of shafts that can be driven | in chain: many shaft may be driven from single sprocket | in belt: only one shaft can be driven from one pulley
Factor 5: cost of drive | in chain; More | in belt : less
Factor 6: need of lubricant | in chain yes | in belt: No
Factor 7: generates noise | in chain: Yes | in belt: No