GSIT vs SLAB vs SMTC vs FORM vs ONTO

For growth investors, Silicon Laboratories Inc.

(SLAB) is the stronger pick with 34. 3% revenue growth year-over-year, versus -5. 7% for GSI Technology, Inc. (GSIT). Onto Innovation Inc. (ONTO) offers the better valuation at 98. 6x trailing P/E (38. 7x forward), making it the more compelling value choice. Analysts rate GSI Technology, Inc. (GSIT) a "Buy" — based on 1 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, Onto Innovation Inc.

(ONTO) is the cheapest at 98. 6x versus FormFactor, Inc. at 209. 7x. On forward P/E, Onto Innovation Inc. is actually cheaper at 38. 7x.

Over the past 5 years, Onto Innovation Inc.

(ONTO) delivered a total return of +312. 6%, compared to +38. 4% for GSI Technology, Inc. (GSIT). Over 10 years, the gap is even starker: FORM returned +1952% versus GSIT's +126. 1%. 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), Silicon Laboratories Inc.

(SLAB) is the lower-risk stock at 1. 25β versus GSI Technology, Inc. 's 3. 02β — meaning GSIT is approximately 142% more volatile than SLAB relative to the S&P 500. On balance sheet safety, Onto Innovation Inc. (ONTO) carries a lower debt/equity ratio of 1% versus 102% for Semtech Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Silicon Laboratories Inc.

(SLAB) is pulling ahead at 34. 3% versus -5. 7% for GSI Technology, Inc. (GSIT). On earnings-per-share growth, the picture is similar: Semtech Corporation grew EPS 86. 7% year-over-year, compared to -31. 5% for Onto Innovation Inc.. Over a 3-year CAGR, SMTC leads at 7. 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.

Onto Innovation Inc.

(ONTO) is the more profitable company, earning 13. 6% net margin versus -51. 9% for GSI Technology, Inc. — meaning it keeps 13. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ONTO leads at 13. 2% versus -52. 8% for GSIT. At the gross margin level — before operating expenses — SLAB leads at 58. 2%, 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, Onto Innovation Inc.

(ONTO) trades at 38. 7x forward P/E versus 80. 4x for Silicon Laboratories Inc. — 41. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ONTO: 12. 5% to $308. 33.

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, FormFactor, Inc.

(FORM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1952% 10Y return). GSI Technology, Inc. (GSIT) carries a higher beta of 3. 02 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (FORM: +1952%, GSIT: +126. 1%), 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: GSIT is a small-cap quality compounder stock; SLAB is a small-cap high-growth stock; SMTC is a mid-cap quality compounder stock; FORM is a mid-cap quality compounder stock; ONTO 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.