Google's head of quantum thinks we could get real-world applications of quantum computing in just five years, while Nvidia claims it's more like 20.The Latest Tech News, Delivered to Your Inbox

Google aims to release commercial quantum computing applications within five years, Google's head of quantum told Reuters on Wednesday, in a challenge to Nvidia's predictions of a 20-year wait. "We’re optimistic that within five years we’ll see real-world applications that are possible only on quantum computers,

Nvidia's Jensen Huang has said that quantum computing is much farther away than five years. At an analyst event at the CES trade show in Las Vegas in January, Huang predicted practical uses for quantum computers are about 20 years away.