Motley Fool Favors IonQ Over Quantinuum on 99.99% Fidelity and $20 Billion Scale
Updated
Updated · The Motley Fool · Jun 25
Motley Fool Favors IonQ Over Quantinuum on 99.99% Fidelity and $20 Billion Scale
3 articles · Updated · The Motley Fool · Jun 25
Summary
IonQ emerged as Motley Fool’s preferred quantum stock, with the analysis citing its 99.99% 2-qubit gate fidelity and broader push to control more of the quantum hardware stack.
That edge rests partly on IonQ’s Oxford Ionics acquisition and Electronic Qubit Control technology, which adds microwave antennas to trapped-ion chips to improve stability and shrink system size.
Quantinuum still posted strong accuracy—99.9975% 1-qubit fidelity and 99.92% 2-qubit fidelity—but has stuck with laser-based gates, arguing microwave gates are slower and more power-hungry.
Both companies use trapped-ion systems, a leading approach for accuracy, yet the report noted quantum computing remains far from conventional chip reliability and the eventual winning technology is still uncertain.
With both companies valued around $20 billion, the piece said investors could hold small speculative positions in each, while favoring IonQ for its accuracy lead and vertical integration.