Compare · Quantum computers
Orion Gamma vs System Model H2
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#5 VS #11
CHECKED 06 SEPT 2026
Side by side
Verdict
Orion Gamma ranks #5 of 16 on Physical qubits on an operational system (140); System Model H2 ranks #11 (56).
Rank 05 of 16 · leads
Physical qubits on an operational system
140
MakerPasqal
Date2025
Verified04 Sept 2026
Evidence
Pasqal processor brochure April 2026, Orion Gamma: nominal 140 qubits, maximum 200, analog mode. June 2026 analyst presentation: 7 QPUs with 100-200+ qubits in commercial use. No published 2Q randomized-benchmarking fidelity on this product sheet; rank uses nominal 140 not the 200 maximum.Rank 11 of 16
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.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