PI vs RFIL vs COHU vs IDCC vs FORM

For growth investors, RF Industries, Ltd.

(RFIL) is the stronger pick with 24. 3% revenue growth year-over-year, versus -4. 0% for InterDigital, Inc. (IDCC). InterDigital, Inc. (IDCC) offers the better valuation at 23. 6x trailing P/E (38. 8x 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 trailing P/E, InterDigital, Inc.

(IDCC) is the cheapest at 23. 6x versus RF Industries, Ltd. at 2130. 0x. On forward P/E, RF Industries, Ltd. is actually cheaper at 25. 7x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, InterDigital, Inc.

(IDCC) delivered a total return of +303. 1%, compared to +22. 2% for Cohu, Inc. (COHU). Over 10 years, the gap is even starker: FORM returned +1952% versus COHU's +330. 2%. 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), InterDigital, Inc.

(IDCC) is the lower-risk stock at 1. 12β versus Cohu, Inc. 's 2. 13β — meaning COHU is approximately 91% more volatile than IDCC relative to the S&P 500. On balance sheet safety, FormFactor, Inc. (FORM) carries a lower debt/equity ratio of 4% versus 156% for Impinj, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), RF Industries, Ltd.

(RFIL) is pulling ahead at 24. 3% versus -4. 0% for InterDigital, Inc. (IDCC). On earnings-per-share growth, the picture is similar: RF Industries, Ltd. grew EPS 101. 1% year-over-year, compared to -126. 6% for Impinj, Inc.. Over a 3-year CAGR, IDCC leads at 22. 1% 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.

InterDigital, Inc.

(IDCC) is the more profitable company, earning 48. 8% net margin versus -16. 4% for Cohu, Inc. — meaning it keeps 48. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IDCC leads at 55. 3% versus -13. 3% for COHU. At the gross margin level — before operating expenses — IDCC leads at 80. 3%, 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, RF Industries, Ltd.

(RFIL) trades at 25. 7x forward P/E versus 89. 2x for Cohu, Inc. — 63. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for IDCC: 52. 5% to $425. 00.

In this comparison, IDCC (0.

6% yield) pays a dividend. PI, RFIL, COHU, FORM do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, InterDigital, Inc.

(IDCC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 12), 0. 6% yield, +436. 7% 10Y return). Cohu, Inc. (COHU) carries a higher beta of 2. 13 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (IDCC: +436. 7%, COHU: +330. 2%), 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 RFIL (Industrials) and COHU (Technology) and IDCC (Technology) and FORM (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: PI is a small-cap quality compounder stock; RFIL is a small-cap high-growth stock; COHU is a small-cap quality compounder stock; IDCC is a small-cap quality compounder stock; FORM is a mid-cap quality compounder stock. IDCC pays a dividend while PI, RFIL, COHU, FORM do not, making them suitable for different income and tax situations. 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.