IBM ibm_aachen vs IBM ibmq_london
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_aachen
IBM · Apache-2.0
|
IBM ibmq_london
IBM · Apache-2.0
|
|---|---|---|
| Best 2Q fidelity (higher better) | 0.999308 | 0.991587 |
| Median 2Q error (lower better) | 0.00141979 | 0.0108883 |
| Median readout error (lower better) | 0.00738525 | 0.03 |
| Median T1 (µs) (higher better) | 232.35 µs | 68.829 µs |
| Median T2 (µs) (higher better) | 255.43 µs | 74.632 µs |
Captured: 2026-04-17 (ibm_aachen) · 2020-08-10 (ibmq_london).
Full histories: ibm_aachen ·
ibmq_london ·
leaderboard.