Memory price/perf - cont'd

• Static RAM (SRAM)
  • 4-6 transistors/bit, VLSI die area 4-6$\times$ larger
  • Uses power just to hold data
  • 4-8$\times$ (or more) faster
  • 4-8$\times$ (or more) more expensive

(H&P pp.9,41,429,437)