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Curiously, they left out the 8088, the processor chosen by IBM to be used in the IBM PC. It was designed in Israel having the 16-bit instruction architecture of the 8086, but with an 8-bit data bus, thus being able to use the cheaper, established chips used by the 8080. This effectively gave IBM an 16-bit machine to compete against Apple II 8-bit 6502 but at prices more consistent with an 8-bit processor.

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It is mentioned under the 8086.

Intel also produced the 8088 around the same time. This processor was based on the 8086, but with half of the data bus disabled. This loss in bandwidth hurt performance, but as it still had access to up to 1MB of RAM and ran at higher frequencies, it was faster than Intel's previous eight-bit processors.

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