Compare · Quantum computers
AC1000 vs Heron r3
RANKED BY PHYSICAL QUBITS ON AN OPERATIONAL SYSTEM
#1 VS #4
CHECKED 06 SEPT 2026
Side by side
Verdict
AC1000 ranks #1 of 16 on Physical qubits on an operational system (1,200+); Heron r3 ranks #4 (156).
Rank 01 of 16 · leads
Physical qubits on an operational system
1,200+
MakerAtom Computing
Date2025
Verified04 Sept 2026
Evidence
Atom Computing AC1000 product page spec table: "Physical qubits (PQs) > 1,200". Secondary quality figure on the same table: "2Q Gate Fidelity > 99.6%". The page does not publish a single exact integer above 1,200, so the rank uses the vendor's own "> 1,200" wording.Rank 04 of 16
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.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