Amazon vs Walmart
Amazon faces lighter direct competitive pressure than Walmart, which has seen its grocery share slip from 21.1% to 20.4% against Kroger, Aldi and Costco, based on financials assessed July 2026.
Amazon
Amazon runs global retail, logistics, ads, and AWS cloud infrastructure at massive scale
Walmart
Walmart is the largest US retailer, running physical stores, grocery, e-commerce, and a growing ad business.
Dimension by dimension
| Dimension | Amazon | Walmart |
|---|---|---|
| staying power of the core product | E-commerce, AWS cloud, and logistics run together at $2.7T scale with no sign of customers walking away. | Over 10,750 stores plus growing online sales make Walmart a permanent fixture in retail. |
| exposure to AI | AI is unlikely to replace what Amazon does across shopping, cloud, and delivery. | AI is unlikely to replace in-person and online grocery and retail shopping. |
| how easily a giant copies them | Blocked; the combination of scale, logistics network, and AWS is hard to replicate. | Blocked; store count and supply chain scale are hard to match. |
| pressure from rivals | No meaningful customer loss shows up in the evidence for Amazon across its retail, cloud, and delivery businesses. | Grocery share has slipped from 21.1% to 20.4% against Kroger, Aldi and Costco, showing direct customer loss for Walmart. |
| revenue scale and growth | FY2025 revenue of $716.92 billion with net income of $77.7 billion, and Q1 2026 revenue up 16.6% year over year to $181.52 billion. | FY2026 revenue of $713 billion, with Q1 FY2027 revenue up 7.3% year over year to $177.8 billion and US comparable sales up 4.1%. |
| raw score comparison | Amazon faces lighter direct competitive pressure than Walmart and shares a comparably strong barrier against imitation from scale and logistics. | Walmart faces heavier direct pressure than Amazon from grocery rivals but retains a comparably strong barrier against imitation from store count and supply chain scale. |
Questions people ask
- Amazon vs Walmart, which is more likely to survive the AI era?
- Both are rated hard to displace, with AI unlikely to absorb either company's core business and both blocked from being copied by a giant. Amazon currently shows no visible customer loss, while Walmart shows a slight grocery share slip, giving Amazon a slightly better score on rival pressure.
- Is Walmart losing customers to competitors?
- Walmart's grocery share has slipped from 21.1% to 20.4% between 2024 and 2026 as shoppers move toward Kroger, Aldi, and Costco. Amazon, by contrast, shows no similar evidence of customer loss in the data given.
- How do Amazon and Walmart's recent revenues compare?
- Amazon posted FY2025 revenue of $716.92 billion with $77.7 billion in net income, and its Q1 2026 revenue grew 16.6% year over year to $181.52 billion. Walmart posted FY2026 revenue of $713 billion, with Q1 FY2027 revenue up 7.3% to $177.8 billion and US comparable sales up 4.1%.
- Is either Amazon or Walmart at risk from AI replacing their business?
- Neither company is seen as at risk of AI absorbing its core product. Amazon's mix of shopping, cloud computing, and logistics and Walmart's physical and online retail operations are both marked unlikely to be replaced by AI.
Other comparisons with these companies