NVIDIA vs. SMCI: Which AI Hardware Stock Is the Better Buy Now?

Core Viewpoint - NVIDIA Corporation (NVDA) is currently positioned as a stronger investment compared to Super Micro Computer, Inc. (SMCI) due to its superior profitability metrics and robust demand for its AI chips, despite both companies benefiting from the AI infrastructure boom [1][12]. Group 1: NVIDIA's Performance - NVIDIA's revenues surged 62% year over year and 22% sequentially to $57 billion in the fiscal third quarter of 2026, with expectations for the fiscal fourth quarter to reach nearly $65 billion, plus or minus 2% [2][8]. - The company's gross margin increased to 73.4% in fiscal third-quarter 2026 from 72.4% in the previous quarter, indicating strong profitability [6][8]. - NVIDIA's return on equity (ROE) stands at an impressive 99.2%, showcasing its effective management and profitability compared to competitors [7][8]. Group 2: Supermicro's Performance - Supermicro's fiscal second-quarter 2026 sales climbed 123% year over year to $12.7 billion, significantly exceeding analysts' expectations of $10.4 billion [3][4]. - However, Supermicro's gross margins fell to 6.3% in fiscal second-quarter 2026 from 11.8% in the same quarter last year, indicating challenges in profitability [6][10]. - The company has a debt-to-equity ratio of 66.9%, which is considerably higher than NVIDIA's 6.3%, suggesting greater financial risk [10]. Group 3: Market Dynamics - The thawing trade tensions between the United States and China are expected to support NVIDIA's sales, as the U.S. government has approved the shipment of NVIDIA's H200 AI chips to China [2]. - Supermicro is scaling its AI server and storage capabilities, with its Data Center Building Block Solutions (DCBBS) gaining traction among AI clients [4][5].