IBM has doubled the power of its quantum computer

By using a 27-qubit client-deployed system, IBM has reached a new quantum computing milestone by achieving a quantum volume of 64 which is double the amount its 28-qubit backend Raleigh achieved back in January.

While quantum computers are usually measured by the amount of quantum bits or qubits they have, quantum volume is a measure of quantum capability that goes beyond the number of qubits. Instead quantum volume measures computational ability to indicate the relative complexity of a problem that can be solved by a quantum computer.

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