# Why Quantum Computers Need Classical Coprocessors

Page: https://stenobird.com/podcast/the-quantum-computing-podcast-with-fexingo-qubits-quantum-hardware-and-future-computing-7871946/why-quantum-computers-need-classical-coprocessors
Text version: https://stenobird.com/podcast/the-quantum-computing-podcast-with-fexingo-qubits-quantum-hardware-and-future-computing-7871946/why-quantum-computers-need-classical-coprocessors.md
Podcast: [The Quantum Computing Podcast with Fexingo: Qubits, Quantum Hardware, and Future Computing](https://stenobird.com/podcast/the-quantum-computing-podcast-with-fexingo-qubits-quantum-hardware-and-future-computing-7871946)
Published: 2026-06-10T20:37:56+00:00
Episode link: https://audio.fexingo.com/business/the-quantum-computing-podcast/episode-0043.mp3
Audio file: https://audio.fexingo.com/business/the-quantum-computing-podcast/episode-0043.mp3
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Duration seconds: 727

## Resource

Most quantum-computing discussions pit classical versus quantum as an either/or. This episode argues the real breakthrough is hybridisation at the silicon level. Lucas breaks down how NVIDIA's Grace Hopper superchip and similar designs are pairing classical GPUs with quantum processing units inside the same cryostat, cutting latency from microseconds to nanoseconds. Luna presses on a concrete case: a 2026 Nature paper from a team at Delft showing a 20-qubit processor that uses a classical coprocessor for real-time error decoding, achieving a 30x improvement in logical qubit fidelity. They discuss why this matters for near-term quantum advantage, the engineering challenge of cooling classical chips to millikelvin temperatures, and whether the industry is moving too fast toward monolithic integration. Specific, technical, grounded. #QuantumComputing #HybridArchitecture #ClassicalCoprocessor #NVIDIA #GraceHopper #ErrorCorrection #LogicalQubit #Cryogenics #Delft #NaturePaper #QubitFidelity #Technology #FexingoBusiness #BusinessPodcast #Hardware #HPC #GPU #SiliconPhotonics Keep every episode free: buymeacoffee.com/fexingo

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