The Motley Fool·2026-01-18 14:55Core Viewpoint - Wall Street is underestimating the growth potential of Nvidia's Rubin architecture, which is expected to drive significant advancements in AI and related fields [1] Group 1: Company Performance - Nvidia has gained 38.9% in 2025, outperforming Amazon, which only gained 5.2% and was the worst performer among the "Magnificent Seven" stocks [2] - Nvidia's data center sales account for approximately 90% of its total revenue, with the remaining 10% coming from high-margin sectors such as gaming and robotics [5] - Nvidia's gross margin stands at 70.05%, indicating strong profitability [8] Group 2: Amazon's Business Model - Amazon's operating margin for its non-AWS business is only 4.1%, while AWS contributes 60% of Amazon's operating income despite being less than one-fifth of total sales [3][4] - AWS has high operating margins of 35.6%, but its growth has slowed due to increased competition from Microsoft, Google Cloud, and Oracle [4] Group 3: Future Growth Potential - Nvidia's new Rubin architecture, which includes six different chips, is designed for advancements in agentic AI, robotics, and autonomous driving, with deployments expected in the second half of 2026 [6][7] - Nvidia's innovation allows it to maintain high margins and continue growing earnings rapidly, suggesting strong future performance [7] - The potential for new revenue streams from the Rubin architecture could further enhance Nvidia's growth prospects [5] Group 4: Valuation Comparison - Nvidia is considered a better long-term investment compared to Amazon, despite Amazon's recent affordability due to faster earnings growth [8][10] - Nvidia's forward price-to-earnings ratio is 39, compared to Amazon's 30.1, justifying a higher valuation for Nvidia based on its growth potential [8][10] - Overall, Nvidia is viewed as the better buy for 2026, although Amazon is becoming more attractive as a value investment [11]