Each time shown is either less approximately or more approximately corresponding to the time of the event.
In some cases the date corresponds either to the date a publication was first received at the publisher or the publication date.
Chip constructed by D-Wave Systems Inc. designed to operate as a 128-qubit superconducting adiabatic quantum optimization processor, mounted in a sample holder (2009)
IBM Q System One
(2019), the first circuit-based commercial quantum computer
Working IQM Quantum Computer installed in Espoo, Finland in 2020
Google Sycamore quantum computer processor in 2019
Simplified scale mode of a quantum computing demonstrator housed in two 19-inch racks with major components labeled
