Google, IBM, Rigetti, and IQM all manufacture superconducting quantum computers -- What are the differences?

[brianeyes88677]

1. Google, IBM, Rigetti, and IQM all manufacture superconducting quantum computers. What are the main reasons for the differences in the accuracy of their chips?
2. IBM has recently released its latest chip, please analyze and see what is the advancement in the technology: https://www.iotworldtoday.com/quantum/ibm-launches-its-most-powerful-quantum-computer

 

[pines-demon]

please analyze and see what is the advancement in the technology

Oh boy, this is PF just a please is not going to cut it out here, please show some effort and provide more details of what you have found.