IBM ibm_berlin vs IBM ibmq_mumbai
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_berlin
IBM · Apache-2.0
|
IBM ibmq_mumbai
IBM · Apache-2.0
|
|---|---|---|
| Best 2Q fidelity (higher better) | 0.999479 | 0.995338 |
| Median 2Q error (lower better) | 0.0021133 | 0.00654104 |
| Median readout error (lower better) | 0.020752 | 0.0216 |
| Median T1 (µs) (higher better) | 323.82 µs | 111.93 µs |
| Median T2 (µs) (higher better) | 248.44 µs | 124 µs |
Captured: 2026-04-17 (ibm_berlin) · 2021-03-13 (ibmq_mumbai).
Full histories: ibm_berlin ·
ibmq_mumbai ·
leaderboard.