Amazon.com, Inc. (AMZN) vs Merck & Co., Inc. (MRK)
A side-by-side comparison of Amazon.com, Inc. and Merck & Co., Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 28, 2026. Differences are shown without an overall score or investment verdict.
Different business models: AMZN is classified in Consumer Cyclical; MRK is classified in Healthcare. Margin, capital intensity, and valuation differences should be interpreted in that sector context.
AMZN
Amazon.com, Inc.
$230.86Consumer CyclicalDelayed quote: Jul 28, 2026, 4:00 PM EDT
MRK
Merck & Co., Inc.
$131.84HealthcareDelayed quote: Jul 28, 2026, 3:59 PM EDT
Total return — AMZN vs MRK
growth of $100 · dividends reinvested · last 29yAMZN +236212.4%MRK +665.7%AMZN compounded faster
Log scale — wide-divergence pair
AMZN MRK
AMZN vs MRK: by the numbers
- •AMZN is the larger company ($2.48T vs $325.61B market cap).
- •AMZN trades at the lower trailing earnings multiple (27.68 vs 36.83 P/E), one valuation lens rather than an overall verdict.
- •MRK converts more revenue to profit (13.62% vs 12.22% net margin).
- •AMZN grew revenue faster over the past five years (12.13% vs 8.60% CAGR).
- •MRK pays a dividend (2.57% yield), while AMZN has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | AMZN | MRK |
|---|---|---|
| P/E ratio | 27.68 | 36.83 |
| Forward P/E | 26.18 | 47.09 |
| P/S ratio | 3.39 | 4.93 |
| P/B ratio | 5.69 | 7.05 |
| PEG ratio | 1.10 | 1.81 |
| EV / EBITDA | 16.84 | 15.16 |
| FCF yield | N/A | 4.37% |
Profitability
| Metric | AMZN | MRK |
|---|---|---|
| Gross margin | 50.60% | 75.91% |
| Operating margin | 11.50% | 36.17% |
| Net margin | 12.22% | 13.62% |
| ROE | 20.55% | 19.48% |
| ROIC | 10.70% | 18.27% |
Dividends
| Metric | AMZN | MRK |
|---|---|---|
| Dividend yield | N/A | 2.57% |
| Payout ratio | N/A | 46.03% |
Growth (annualized)
| Metric | AMZN | MRK |
|---|---|---|
| Revenue CAGR (5Y) | 12.13% | 8.60% |
| EPS CAGR (5Y) | 27.90% | 21.21% |
| FCF CAGR (5Y) | -21.57% | 15.69% |
| Total return CAGR (5Y) | 5.00% | 14.44% |
Frequently asked
- Which has the lower trailing P/E, AMZN or MRK?
- AMZN has the lower trailing P/E: AMZN trades at 27.68 and MRK at 36.83. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, AMZN or MRK?
- Over the past five years, AMZN grew revenue faster — AMZN at a 12.13% CAGR versus MRK at 8.60%.
- Does AMZN or MRK pay a bigger dividend?
- MRK pays a dividend (2.57% yield), while AMZN has no payments in the available dividend history.
- Is AMZN or MRK more profitable?
- MRK runs the higher net margin — AMZN at 12.22% versus MRK at 13.62%.
- How have AMZN and MRK total returns compared?
- Over the past 10 years, AMZN delivered 20.18% and MRK delivered 12.27% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Amazon.com P/E ratioMerck & P/E ratioAmazon.com dividend yieldMerck & dividend yieldAmazon.com ROEMerck & ROEAmazon.com operating marginMerck & operating marginAmazon.com revenue growthMerck & revenue growthAmazon.com free cash flowMerck & free cash flow
Amazon.com & Merck & appear in these rankings
Highest Dividend Yield StocksHighest ROIC StocksHighest Operating Margin StocksHighest FCF Yield Stocks
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Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 28, 2026.