|| System
|| Announcement date
|| <Quantum computer physical implementation>[Type]
|| Qubits
|| Average connectivity
|| <Coherence time>
|| Measurements per second
|| Single qubit error
|| <CZ gate>[CZ] error

| <Willow (quantum computer)>
| 2024-12
| <Superconducting quantum computer>[superconducting]
| 105<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}
| 3.47<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}
| 68 μs<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}
| 63 k<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}
| 0.035%<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}
| 0.33%<video Meet Willow (quantum computer), our state-of-the-art quantum chip by Google Quantum AI>{ref}

Other comparisons:
* https://terra-docs.s3.us-east-2.amazonaws.com/IJHSR/Articles/volume6-issue8/IJHSR_2024_68_52.pdf Comparison Between Different Qubit Designs for Quantum Computing by Zaichen Hao (2024)


Comparison of quantum computing hardware

{c}
{tag=Pauli-Z gate}
{wiki=Controlled_NOT_gate}


Ciro Santilli @cirosantilli 37

 Incoming links: CZ gate