bitrate vs throughput

bitrate

noun
  • The frequency at which bits (binary digits) pass a given physical or metaphorical point, measured in bps (bits per second). 

throughput

noun
  • The rate at which data is transferred through a system. 

  • The rate of production; the rate at which something can be processed. 

  • Synonym of etendue. 

How often have the words bitrate and throughput occurred in a corpus of books? (source: Google Ngram Viewer )