AMBQ vs SITM vs MTSI vs SMTC

For growth investors, SiTime Corporation (SITM) is the stronger pick with 61.

2% revenue growth year-over-year, versus -4. 7% for Ambiq Micro, Inc. (AMBQ). Analysts rate SiTime Corporation (SITM) a "Buy" — based on 9 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.

Over the past 5 years, SiTime Corporation (SITM) delivered a total return of +952.

4%, compared to +72. 3% for Ambiq Micro, Inc. (AMBQ). Over 10 years, the gap is even starker: SITM returned +64. 2% versus AMBQ's +72. 3%. 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), MACOM Technology Solutions Holdings, Inc.

(MTSI) is the lower-risk stock at 1. 69β versus Ambiq Micro, Inc. 's 2. 92β — meaning AMBQ is approximately 73% more volatile than MTSI relative to the S&P 500. On balance sheet safety, SiTime Corporation (SITM) carries a lower debt/equity ratio of 0% versus 102% for Semtech Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), SiTime Corporation (SITM) is pulling ahead at 61.

2% versus -4. 7% for Ambiq Micro, Inc. (AMBQ). On earnings-per-share growth, the picture is similar: Semtech Corporation grew EPS 86. 7% year-over-year, compared to -170. 2% for MACOM Technology Solutions Holdings, Inc.. Over a 3-year CAGR, MTSI leads at 12. 7% 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.

MACOM Technology Solutions Holdings, Inc.

(MTSI) is the more profitable company, earning -5. 6% net margin versus -50. 3% for Ambiq Micro, Inc. — meaning it keeps -5. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MTSI leads at 13. 4% versus -56. 7% for AMBQ. At the gross margin level — before operating expenses — MTSI leads at 54. 9%, 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, MACOM Technology Solutions Holdings, Inc.

(MTSI) trades at 73. 8x forward P/E versus 107. 9x for SiTime Corporation — 34. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MTSI: -8. 5% to $332. 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, MACOM Technology Solutions Holdings, Inc.

(MTSI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+872. 5% 10Y return). SiTime Corporation (SITM) carries a higher beta of 2. 48 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (MTSI: +872. 5%, SITM: +64. 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.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: AMBQ is a small-cap quality compounder stock; SITM is a mid-cap high-growth stock; MTSI is a mid-cap high-growth stock; SMTC is a mid-cap quality compounder stock. 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.