Nvidia (NASDAQ: NVDA) and Baidu (NASDAQ: BIDU) represent two different ways to invest in the growing artificial intelligence (AI) market. Nvidia is the world's largest producer of high-end data center graphics processing units (GPUs) for undertaking AI tasks. Baidu, which owns China's largest search engine, has also established a foothold in the market with its cloud-based AI services, ERNIE chatbot, and Apollo platform for driverless vehicles.

But over the past 12 months, Nvidia's stock more than tripled as Baidu's stock rallied less than 30%. Let's see why the chipmaker outperformed the Chinese tech giant by such a wide margin -- and whether it's still the better buy.

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Source Fool.com