Amazonvs.Microsoft
AMZN vs MSFT · both in Cloud platforms, part of the AI & digital infrastructure value chain: Rents out the compute — the 'power grid' of the AI era.
Amazon and Microsoft are similar in size by market cap; Microsoft trades at the lower P/E (22.8 vs 29.1); year to date, Amazon leads (+6.3% vs −20.4%).
Side by side
| AMZN | MSFT | |
|---|---|---|
| Market cap | $2.6T | $2.9T |
| Price | $245.34 | $385.10 |
| Today | −0.7% | +0.2% |
| Return YTD | +6.3% | −20.4% |
| Return 1Y | +10.4% | −23.2% |
| P/E | 29.1 | 22.8 |
| P/S | 3.6 | 9.0 |
| P/B | 6.0 | 6.9 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
AmazonAMZN
AWS is the world's largest cloud platform. Amazon develops its own AI chips (Trainium) and is the lead investor in Anthropic.
Full AMZN profile →MicrosoftMSFT
The world's largest software company. Azure cloud, Copilot products and the close OpenAI partnership make Microsoft the broadest player of the AI era.
Full MSFT profile →More comparisons in Cloud platforms
See where AMZN and MSFT sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →