IBM ibm_brisbane vs IBM ibmq_lima

Side-by-side comparison over the metrics both devices report. Values come from different sources with different methodologies — mind the provenance badges; vendor-reported figures are manufacturer claims.

Metric IBM ibm_brisbane
IBM · Apache-2.0
IBM ibmq_lima
IBM · Apache-2.0
Best 2Q fidelity (higher better) 0.996343 0.994038
Median 2Q error (lower better) 0.00767577 0.00906973
Median readout error (lower better) 0.0200195 0.0261
Median T1 (µs) (higher better) 231.95 µs 59.699 µs
Median T2 (µs) (higher better) 150.04 µs 93.556 µs
Captured: 2025-02-26 (ibm_brisbane) · 2021-03-15 (ibmq_lima). Full histories: ibm_brisbane · ibmq_lima · leaderboard.