IQM iqm_garnet vs Quantinuum h2-2

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 IQM iqm_garnet
Metriq · CC-BY-4.0
Quantinuum h2-2
Metriq · CC-BY-4.0
Bell-state effective qubits (higher better) 20 56
EPLG (error/layer) (lower better) 0.00822524 0.00179932
QAOA approx. ratio (higher better) 0.143202 0.801751
Captured: 2026-03-02 (iqm_garnet) · 2026-01-23 (h2-2). Full histories: iqm_garnet · h2-2 · leaderboard.