PI vs AMZN

For growth investors, Amazon.

com, Inc. (AMZN) is the stronger pick with 12. 4% revenue growth year-over-year, versus -1. 4% for Impinj, Inc. (PI). Amazon. com, Inc. (AMZN) offers the better valuation at 38. 3x trailing P/E (35. 3x forward), making it the more compelling value choice. Analysts rate Impinj, Inc. (PI) a "Buy" — based on 22 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, Amazon.

com, Inc. is actually cheaper at 35. 3x.

Over the past 5 years, Impinj, Inc.

(PI) delivered a total return of +216. 9%, compared to +66. 3% for Amazon. com, Inc. (AMZN). Over 10 years, the gap is even starker: PI returned +763. 3% versus AMZN's +715. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Amazon.

com, Inc. (AMZN) is the lower-risk stock at 1. 51β versus Impinj, Inc. 's 2. 12β — meaning PI is approximately 41% more volatile than AMZN relative to the S&P 500. On balance sheet safety, Amazon. com, Inc. (AMZN) carries a lower debt/equity ratio of 37% versus 156% for Impinj, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Amazon.

com, Inc. (AMZN) is pulling ahead at 12. 4% versus -1. 4% for Impinj, Inc. (PI). On earnings-per-share growth, the picture is similar: Amazon. com, Inc. grew EPS 29. 7% year-over-year, compared to -126. 6% for Impinj, Inc.. Over a 3-year CAGR, PI leads at 11. 9% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Amazon.

com, Inc. (AMZN) is the more profitable company, earning 10. 8% net margin versus -3. 0% for Impinj, Inc. — meaning it keeps 10. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMZN leads at 11. 2% versus -0. 2% for PI. At the gross margin level — before operating expenses — PI leads at 52. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Amazon.

com, Inc. (AMZN) trades at 35. 3x forward P/E versus 82. 5x for Impinj, Inc. — 47. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PI: 16. 0% to $180. 00.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Amazon.

com, Inc. (AMZN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+715. 9% 10Y return). Impinj, Inc. (PI) carries a higher beta of 2. 12 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (AMZN: +715. 9%, PI: +763. 3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (PI (Technology) and AMZN (Consumer Cyclical)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.