MU vs WDC

For growth investors, Micron Technology, Inc.

(MU) is the stronger pick with 48. 9% revenue growth year-over-year, versus 35. 7% for Western Digital Corporation (WDC). Western Digital Corporation (WDC) offers the better valuation at 10. 6x trailing P/E (26. 4x forward), making it the more compelling value choice. Analysts rate Micron Technology, Inc. (MU) a "Buy" — based on 70 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, Western Digital Corporation (WDC) is the cheapest at 10.

6x versus Micron Technology, Inc. at 90. 9x. On forward P/E, Micron Technology, Inc. is actually cheaper at 9. 3x — 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: Micron Technology, Inc. wins at 0. 36x versus Western Digital Corporation's 0. 47x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Micron Technology, Inc.

(MU) delivered a total return of +828. 6%, compared to +527. 6% for Western Digital Corporation (WDC). Over 10 years, the gap is even starker: MU returned +38. 8% versus WDC's +519. 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), Western Digital Corporation (WDC) is the lower-risk stock at 3.

22β versus Micron Technology, Inc. 's 3. 36β — meaning MU is approximately 4% more volatile than WDC relative to the S&P 500. On balance sheet safety, Western Digital Corporation (WDC) carries a lower debt/equity ratio of 12% versus 28% for Micron Technology, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Micron Technology, Inc.

(MU) is pulling ahead at 48. 9% versus 35. 7% for Western Digital Corporation (WDC). On earnings-per-share growth, the picture is similar: Micron Technology, Inc. grew EPS 984. 3% year-over-year, compared to 384. 4% for Western Digital Corporation. Over a 3-year CAGR, WDC leads at 27. 4% 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.

Western Digital Corporation (WDC) is the more profitable company, earning 72.

9% net margin versus 22. 8% for Micron Technology, Inc. — meaning it keeps 72. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WDC leads at 34. 9% versus 26. 4% for MU. At the gross margin level — before operating expenses — WDC leads at 48. 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.

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, Micron Technology, Inc. (MU) is the more undervalued stock at a PEG of 0. 36x versus Western Digital Corporation's 0. 47x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Micron Technology, Inc. (MU) trades at 9. 3x forward P/E versus 26. 4x for Western Digital Corporation — 17. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for WDC: 134. 0% to $617. 15.

In this comparison, WDC (0.

2% yield) pays a dividend. MU does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Western Digital Corporation (WDC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+519.

1% 10Y return). Micron Technology, Inc. (MU) carries a higher beta of 3. 36 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (WDC: +519. 1%, MU: +38. 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.