Compare · Quantum computers
Heron r3 vs Aria
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#4 VS #15
CHECKED 06 SEPT 2026
Side by side
Verdict
Heron r3 ranks #4 of 16 on Physical qubits on an operational system (156); Aria ranks #15 (21).
Rank 04 of 16 · leads
Physical qubits on an operational system
156
MakerIBM
Date2025
Verified04 Sept 2026
Evidence
IBM Quantum hardware page: Heron r2/r3 156 programmable qubits, EPLG 3.7E-3. IBM Newsroom 4 May 2026: median two-qubit error rate 1.17E-3. Condor (1,121 qubits, 2023) is not on the current available-QPU list.Rank 15 of 16
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.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