Compare · Quantum computers
Aria vs Radiance 20
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#15 VS #16
CHECKED 06 SEPT 2026
Side by side
Verdict
Aria ranks #15 of 16 on Physical qubits on an operational system (21); Radiance 20 ranks #16 (20).
Rank 15 of 16 · leads
Physical qubits on an operational system
21
MakerIonQ
Date2022
Verified04 Sept 2026
Evidence
IonQ Aria practical-performance page: production configuration of 21 physical qubits, average two-qubit error rate 0.4%, single-qubit gate error 0.05%. All-to-all connectivity.Rank 16 of 16
Physical qubits on an operational system
20
MakerIQM
Date2023
Verified04 Sept 2026
Evidence
IQM Radiance product page: offered in 20, 54 or 150 qubit configurations. Benchmarks quoted on the same page were "measured on the 20-qubit quantum computer": median two-qubit (CZ) gate fidelity 99.51% across 30 pairs, max 99.8%. 54- and 150-qubit SKUs are listed as orderable with "delivery starting from 6 months" and are not treated as currently operating systems here.Try another pair
Source Vendor product pages and official announcements (Atom Computing AC1000, QuEra Gemini and Aquila, IBM Quantum hardware, Pasqal Orion Gamma…
Last checked 06 Sept 2026