Why qubit counts are a misleading metric for quantum supremacy
In short: Comparing quantum computers by the number of qubits is like judging a car's speed by its number of seats. This video breaks down the actual metrics of power and the roadmaps of the world's leading tech giants.
The video evaluates the current landscape of quantum computing by moving beyond raw qubit counts to a more nuanced metric: quantum volume. This approach accounts for the various factors that determine a machine's actual quality and performance. It examines the hardware of major players, including IBM, Intel, and specialized firms like PsiQuantum, Xanadu, and Atom Computing.
The analysis explores the specific milestones required to reach large-scale, general-purpose quantum computing. It highlights ambitious targets, such as PsiQuantum's goal of reaching one million qubits by 2025, and reviews the diverse technological roadmaps being pursued by companies like ColdQuanta and Silicon Quantum Computing.
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- Summary by Intellect · source: Who Has The Best Quantum Computer?
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