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Data Rate Volume from Memory Innovations and Improvements (cubic feet) sec) (words/M Automatic wire-wrapping production 8.0 1.26 Serial instruction implementation 3.2 0.08 Medium scale integrated circuits 8.0 1.34 Smaller cabinet 2.0 1.26 Omnibus 2.2 1.52 Half-size cabinet with fewer slots than 8/E 1.8 1.52 floating-point processor Semiconductor memory; 1.2 1.34

4K

Cost of Processor 12-bit Words of Memory ($1000s) 16.2 8.79 11.6 7.0 4.99 3.69 2.6
Evolution of the PDP-8 [VOEL88]

First Shipped 4/65 9/66 4/68 11/68 3/71 6/72 1/75

Table 2.5 Model PDP-8 PDP-8/5 PDP-8/1 PDP-8/L PDP-8/E PDP-8/M PDP-8/A

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