The article discusses the competition between NVIDIA and Apple in the artificial intelligence (AI) chip market, particularly for the upcoming iPhone 16 device. According to Citi analysts, NVIDIA is expected to be the top AI stock, outperforming Apple in this domain. The key points are: 1) NVIDIA’s AI capabilities and expertise give it an edge over Apple in developing advanced AI chips. 2) Apple may struggle to match NVIDIA’s AI prowess, despite its efforts to develop in-house AI chips. 3) NVIDIA’s stock is expected to outperform Apple’s in the AI chip market, especially for the iPhone 16 and future devices. 4) The analysts recommend investors to consider NVIDIA as the top AI stock, given its leadership in the field and potential for growth in the AI chip market.