Which of these high-growth tech stocks is the better buy right now?Nvidia (NVDA 0.81%) and Snowflake (SNOW -1.69%) represent two different ways to invest in the growing artificial intelligence (AI) market. Nvidia is the world's largest producer of discrete GPUs, which are used to render high-end graphics and process AI tasks. Snowflake's cloud-based data warehouses store and clean up large amounts of data so it can be easily accessed by third-party applications. That process makes it easier for AI applicati ...