Slight correction: D-Wave are most definitely not doing "adiabatic quantum computation". They occasionally have claimed that in the past, but not anymore. Adia

Slight correction: D-Wave are most definitely not doing "adiabatic quantum computation". They occasionally have claimed that in the past, but not anymore. Adiabatic quantum computation is equivalent to other models of quantum computing (e.g. the circuit model). It has all the power expected from a quantum computer. D-Wave do some form of annealing that can be simulated classically in a fairly efficient manner.