Compare · Quantum computers
System Model H2 vs Aria
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#11 VS #15
CHECKED 06 SEPT 2026
Side by side
Verdict
System Model H2 ranks #11 of 16 on Physical qubits on an operational system (56); Aria ranks #15 (21).
Rank 11 of 16 · leads
Physical qubits on an operational system
56
MakerQuantinuum
Date2024
Verified04 Sept 2026
Evidence
Quantinuum System Model H2 product page: 56 fully-connected qubits, two-qubit gate fidelity >99.9%, single-qubit gate fidelity >99.99%, quantum volume 33,554,432 (2^25). Commercially available via Quantinuum subscription and Microsoft Azure.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
More System Model H2 matchups
- System Model H2 vs AC1000
- System Model H2 vs Gemini
- System Model H2 vs Aquila
- System Model H2 vs Heron r3
- System Model H2 vs Orion Gamma
- System Model H2 vs Nighthawk
- System Model H2 vs Cepheus-1-108Q
- System Model H2 vs Willow
- System Model H2 vs Helios
- System Model H2 vs Ankaa-3
- System Model H2 vs Cepheus-1-36Q
- System Model H2 vs Forte
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