Amazon Outpaces Walmart on Growth and Valuation Metrics

Amazon continues to widen its lead over Walmart in terms of financial growth and operational diversification, positioning itself as a more compelling option for growth-oriented investors. While both retail giants have outperformed the S&P 500 year-to-date, the divergence in their growth trajectories is stark. Amazon's ability to scale its high-margin services—specifically cloud computing and advertising—contrasts with Walmart's reliance on its extensive brick-and-mortar network. This diversification is reflected in the revenue growth rates, where Amazon has consistently gained market share at a faster pace over the last two decades. In the fourth quarter, Amazon reported total sales of $213.4 billion, representing a 14% year-over-year increase. The company's AWS and online advertising segments both saw growth exceeding 20%, while its custom AI chip business has reached an annual revenue run rate of over $10 billion. In comparison, Walmart delivered 5.6% year-over-year revenue growth for its fiscal 2026 fourth quarter ending January 31. From a valuation perspective, Amazon currently trades at a price-to-earnings (P/E) ratio of 34.7, which is notably lower than Walmart's 45.3. Despite Walmart's historical stock performance over the last five years, Amazon's faster net income growth and lower valuation suggest a potential shift in momentum. Walmart remains a viable choice for risk-averse investors seeking lower volatility and a dividend yield, though that yield remains below 1%. However, for those prioritizing scale and technological catalysts, Amazon's diversified ecosystem offers a stronger growth profile.