SANM vs PLXS

For growth investors, Sanmina Corporation (SANM) is the stronger pick with 7.

4% revenue growth year-over-year, versus 1. 8% for Plexus Corp. (PLXS). Plexus Corp. (PLXS) offers the better valuation at 41. 6x trailing P/E (33. 8x forward), making it the more compelling value choice. Analysts rate Plexus Corp. (PLXS) a "Buy" — based on 18 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, Plexus Corp.

(PLXS) is the cheapest at 41. 6x versus Sanmina Corporation at 53. 2x. On forward P/E, Sanmina Corporation is actually cheaper at 21. 2x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Sanmina Corporation wins at 1. 20x versus Plexus Corp. 's 3. 47x — a reasonable growth-adjusted valuation.

Over the past 5 years, Sanmina Corporation (SANM) delivered a total return of +464.

5%, compared to +174. 0% for Plexus Corp. (PLXS). Over 10 years, the gap is even starker: SANM returned +875. 3% versus PLXS's +515. 8%. 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), Plexus Corp.

(PLXS) is the lower-risk stock at 1. 65β versus Sanmina Corporation's 1. 92β — meaning SANM is approximately 16% more volatile than PLXS relative to the S&P 500. On balance sheet safety, Plexus Corp. (PLXS) carries a lower debt/equity ratio of 12% versus 16% for Sanmina Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Sanmina Corporation (SANM) is pulling ahead at 7.

4% versus 1. 8% for Plexus Corp. (PLXS). On earnings-per-share growth, the picture is similar: Plexus Corp. grew EPS 56. 1% year-over-year, compared to 14. 1% for Sanmina Corporation. Over a 3-year CAGR, PLXS leads at 1. 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.

Plexus Corp.

(PLXS) is the more profitable company, earning 4. 3% net margin versus 3. 0% for Sanmina Corporation — meaning it keeps 4. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: PLXS leads at 5. 0% versus 4. 4% for SANM. At the gross margin level — before operating expenses — PLXS leads at 10. 1%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Sanmina Corporation (SANM) is the more undervalued stock at a PEG of 1. 20x versus Plexus Corp. 's 3. 47x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Sanmina Corporation (SANM) trades at 21. 2x forward P/E versus 33. 8x for Plexus Corp. — 12. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PLXS: -3. 6% to $251. 25.

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, Sanmina Corporation (SANM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+875.

3% 10Y return). Plexus Corp. (PLXS) carries a higher beta of 1. 65 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SANM: +875. 3%, PLXS: +515. 8%), 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.

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.