Nvidia (NASDAQ: NVDA) stock is falling in Tuesday's trading. The artificial intelligence (AI) leader's share price was down 5.5% as of 2:45 p.m. ET amid a 0.9% decline for the S&P 500 index and a 1.6% pullback for the Nasdaq Composite index.

Both stocks have had strong runs in 2024. Let's consider which semiconductor looks like the better buy heading into 2025.

Do Custom AI Chips Make Marvell Stock A Buy? For instance, Broadcom’s sales from its custom AI chips and networking processors surged by 220% to $12.2 billion in 2024, up from $3.8 billion in revenue that the company generated from AI silicon in FY’23.

Nvidia sells graphics processing units (GPUs) that provide computing power for various uses. More than two decades ago, the main function was to support PC gaming. But what has put the business on the map in recent years has been its GPUs that enable training AI models in massive data centers, now representing the bulk of the chipmaker's sales.

NVIDIA (NASDAQ: NVDA) is still the most important stock after two-plus years of dominating the stock market. Its GPU technology unlocked the door to AI, and now NVIDIA is capitalizing on it using a full-stack method.

Nvidia (NASDAQ: NVDA) stock and Bitcoin (CRYPTO: BTC) are completely different assets, but they have one thing in common: They are the top dogs in their respective markets. Nvidia has a market capitalization of $3.