MU vs. WDC: Micron vs. Western Digital Stock Comparison

November 11, 2026

How do Micron (MU) and Western Digital (WDC) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Micron (MU) and Western Digital (WDC) share the Information Technology sector but sit in different industry groups — MU in Semiconductors & Semiconductor Equipment and WDC in Technology Hardware & Equipment.

Company profile comparison for Micron (MU) and Western Digital (WDC)
Profile Item	MU	WDC
Name	Micron Technology Inc.	Western Digital Corp.
Country/Region	United States	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Technology Hardware & Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Technology Hardware, Storage & Peripherals
GICS Sub-Industry	Semiconductors	Technology Hardware, Storage & Peripherals
Market Capitalization	780.68 billion USD	98.74 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	June 1, 1984	October 31, 1978
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

WDC

GSPC

Micron (MU) vs. Western Digital (WDC), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Micron (MU) and Western Digital (WDC). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Micron (MU) and Western Digital (WDC). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Total Return (1Y)	208.53%	78.89%
Total Return (3Y, Annualized)	115.89%	106.11%
Total Return (5Y, Annualized)	58.28%	47.06%

Risk Profile

Drawdown History

WDC

GSPC

Micron (MU) vs. Western Digital (WDC), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Micron (MU) and Western Digital (WDC). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Volatility (1Y, Annualized)	83.85%	83.20%
Beta (5Y)	2.44	2.35
Max Drawdown (5Y)	-57.63%	-64.64%
Avg. Volume (3M)	27.63M	8.01M

Risk-Adjusted Performance

Risk-Return Positioning

MU and WDC are plotted by 1-year volatility (risk) and 1-year return. Each dashed Capital Allocation Line uses that stock's own industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Sharpe Ratio (1Y)	2.44	0.90
Sortino Ratio (1Y)	3.87	1.32

Profitability

ROE (TTM)

Both Micron (MU) at 88.26% and Western Digital (WDC) at 129.60% turn shareholders’ equity into profit at rates above their industry benchmark ranges for ROE. That is a strong capital-efficiency signal, though leverage and the equity base still matter.

MU

Semiconductors & Semiconductor Equipment industry group

88.26%

MU: 88.26%
Max: 52.82%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

WDC

Technology Hardware & Equipment industry group

129.60%

WDC: 129.60%
Max: 42.47%
Q3: 19.13%
Median: 11.00%
Q1: 1.63%
Min: -20.62%

Micron (MU) vs. Western Digital (WDC): A comparison of their ROE against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Net Margin (TTM)

Western Digital (WDC) at 69.20% keeps the most of each sales dollar — above its industry’s net margin range — and Micron (MU) at 63.80% also retains a top-quartile share.

MU

Semiconductors & Semiconductor Equipment industry group

63.80%

MU: 63.80%
Max: 63.80%
Q3: 28.36%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

WDC

Technology Hardware & Equipment industry group

69.20%

WDC: 69.20%
Max: 27.60%
Q3: 11.66%
Median: 4.08%
Q1: 0.00%
Min: -11.02%

Micron (MU) vs. Western Digital (WDC): A comparison of their net margin against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Operating Margin (TTM)

Before financing and tax, both Micron (MU) at 80.68% and Western Digital (WDC) at 47.68% run unusually efficient core operations — each operating margin clears its industry’s benchmark range.

MU

Semiconductors & Semiconductor Equipment industry group

80.68%

MU: 80.68%
Max: 58.66%
Q3: 30.23%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

WDC

Technology Hardware & Equipment industry group

47.68%

WDC: 47.68%
Max: 36.27%
Q3: 18.36%
Median: 8.84%
Q1: 1.46%
Min: -21.39%

Micron (MU) vs. Western Digital (WDC): A comparison of their operating margin against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Profitability Metrics

Profitability metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
ROE (TTM)	88.26%	129.60%
ROA (TTM)	44.56%	25.88%
Net Margin (TTM)	63.80%	69.20%
Operating Margin (TTM)	80.68%	47.68%
Gross Margin (TTM)	80.72%	52.60%

Growth

Revenue Growth

Both companies are growing quickly, but Micron (MU) at 256.33% is the standout with revenue growth above its industry range; Western Digital (WDC) at 35.70% also sits in the top quartile.

Micron (MU) vs. Western Digital (WDC): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Micron (MU) at 879.31% and Western Digital (WDC) at 372.38% grew per-share earnings faster than their entire industry benchmark ranges for EPS growth — a strong showing on both sides, though a depressed base year can exaggerate the percentage, so the level of earnings matters too.

Micron (MU) vs. Western Digital (WDC): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Revenue Growth (YoY)	256.33%	35.70%
Revenue Growth (3Y CAGR)	104.65%	27.35%
EPS Growth (YoY)	879.31%	372.38%
EPS Growth (3Y CAGR)	--	--

Financial Strength

Current Ratio (MRQ)

Both Micron (MU) at 3.31 and Western Digital (WDC) at 1.43 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

MU

Semiconductors & Semiconductor Equipment industry group

3.31

Max: 10.33
Q3: 5.62
Median: 3.33
MU: 3.31
Q1: 2.35
Min: 1.03

WDC

Technology Hardware & Equipment industry group

1.43

Max: 5.34
Q3: 3.02
Median: 1.95
WDC: 1.43
Q1: 1.32
Min: 0.17

Micron (MU) vs. Western Digital (WDC): A comparison of their current ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Debt / Equity (MRQ)

Micron (MU) at 0.04 keeps leverage in the lower industry quartile, while Western Digital (WDC) at 0.10 runs a more typical debt-to-equity mix.

MU

Semiconductors & Semiconductor Equipment industry group

0.04

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
MU: 0.04
Min: 0.00

WDC

Technology Hardware & Equipment industry group

0.10

Max: 1.76
Q3: 0.78
Median: 0.24
WDC: 0.10
Q1: 0.04
Min: 0.01

Micron (MU) vs. Western Digital (WDC): A comparison of their debt-to-equity ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Financial Strength Metrics

Financial strength metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Current Ratio (MRQ)	3.31	1.43
Debt / Equity (MRQ)	0.04	0.10
Net Debt / EBITDA	-0.35	-0.06

Dividends

Dividend Yield (TTM)

Both Micron (MU) at 0.09% and Western Digital (WDC) at 0.21% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.

MU

Semiconductors & Semiconductor Equipment industry group

0.09%

Max: 1.37%
Q3: 0.65%
MU: 0.09%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WDC

Technology Hardware & Equipment industry group

0.21%

Max: 0.73%
Q3: 0.31%
WDC: 0.21%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Micron (MU) vs. Western Digital (WDC): A comparison of their dividend yield against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Dividend Payout Ratio (TTM)

Both Micron (MU) at 0.71% and Western Digital (WDC) at 1.93% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.

MU

Semiconductors & Semiconductor Equipment industry group

0.71%

Max: 49.64%
Q3: 21.71%
MU: 0.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WDC

Technology Hardware & Equipment industry group

1.93%

Max: 32.27%
Q3: 14.48%
WDC: 1.93%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Micron (MU) vs. Western Digital (WDC): A comparison of their payout ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Dividend Metrics

Dividend metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
Dividend Yield (TTM)	0.09%	0.21%
Dividend Payout Ratio (TTM)	0.71%	1.93%

Valuation

P/E Ratio (TTM)

Both Micron (MU) at 9.28 and Western Digital (WDC) at 9.28 sit in the cheaper earnings-multiple quartile for P/E ratio, with the market paying less for a dollar of trailing earnings than it pays for typical peers.

MU

Semiconductors & Semiconductor Equipment industry group

9.28

Max: 110.34
Q3: 66.81
Median: 37.02
Q1: 23.96
MU: 9.28
Min: 8.12

WDC

Technology Hardware & Equipment industry group

9.28

Max: 69.48
Q3: 41.02
Median: 26.39
Q1: 19.36
WDC: 9.28
Min: 6.07

Micron (MU) vs. Western Digital (WDC): A comparison of their P/E ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

P/S Ratio (TTM)

Micron (MU) at 5.86 is priced about in line with its industry on P/S ratio, while Western Digital (WDC) at 6.82 sits in the pricier quartile — WDC costs more per dollar of sales.

MU

Semiconductors & Semiconductor Equipment industry group

5.86

Max: 21.42
Q3: 12.27
MU: 5.86
Median: 5.76
Q1: 2.73
Min: 0.00

WDC

Technology Hardware & Equipment industry group

6.82

Max: 11.30
WDC: 6.82
Q3: 5.82
Median: 2.56
Q1: 1.05
Min: 0.00

Micron (MU) vs. Western Digital (WDC): A comparison of their P/S ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

P/B Ratio (MRQ)

Micron (MU) at 5.64 is valued about in line with its industry on P/B ratio, while Western Digital (WDC) at 10.55 carries an above-peer premium to book — WDC is pricier on assets.

MU

Semiconductors & Semiconductor Equipment industry group

5.64

Max: 14.06
Q3: 7.44
MU: 5.64
Median: 4.29
Q1: 2.30
Min: 0.20

WDC

Technology Hardware & Equipment industry group

10.55

Max: 10.75
WDC: 10.55
Q3: 5.52
Median: 3.17
Q1: 1.79
Min: 0.33

Micron (MU) vs. Western Digital (WDC): A comparison of their P/B ratio against their respective Semiconductors & Semiconductor Equipment and Technology Hardware & Equipment industry group benchmarks.

Valuation Metrics

Valuation metrics for Micron (MU) and Western Digital (WDC)
Metric	MU	WDC
P/E Ratio (TTM)	9.28	9.28
P/S Ratio (TTM)	5.86	6.82
P/B Ratio (MRQ)	5.64	10.55
Free Cash Flow Yield (TTM)	3.73%	2.76%