Compare · Quantum computers
Willow vs Aria
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#8 VS #15
CHECKED 06 SEPT 2026
Side by side
Verdict
Willow ranks #8 of 16 on Physical qubits on an operational system (105); Aria ranks #15 (21).
Rank 08 of 16 · leads
Physical qubits on an operational system
105
MakerGoogle Quantum AI
Date2024
Verified04 Sept 2026
Evidence
Google Willow announcement and spec sheet: 105 qubits. Spec sheet 2Q gate error 0.33% +/- 0.18% (CZ, chip 1) and 0.14% +/- 0.052% (iswap-like, chip 2).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