IBM announced that it had doubled last year’s quantum volume 32 to a quantum volume of 64 using one of its newest 27-qubit Falcon processors.
Quantum volume is a metric that indicates the relative computational power of a gate-based quantum computer. IBM had doubled its systems’ quantum volume every year since 2017 when it first developed the measurement. That year it demonstrated a quantum volume of 4 with its five-qubit computer called Tenerife.
There is no current standard performance benchmark for quantum computers. I believe quantum volume is an appropriate way to measure the power