MPWR vs. MU: Monolithic Power Systems vs. Micron Stock Comparison

November 11, 2026

How do Monolithic Power Systems (MPWR) and Micron (MU) 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

Monolithic Power Systems (MPWR) and Micron (MU) are both classified in the Semiconductors sub-industry within the broader Semiconductors & Semiconductor Equipment industry, placing them in the closest GICS peer bucket.

Company profile comparison for Monolithic Power Systems (MPWR) and Micron (MU)
Profile Item	MPWR	MU
Name	Monolithic Power Systems Inc.	Micron Technology Inc.
Country/Region	United States	United States
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Sub-Industry	Semiconductors	Semiconductors
Market Capitalization	58.06 billion USD	780.68 billion USD
Currency	USD	USD
Exchange	Nasdaq	Nasdaq
Listing Date	November 19, 2004	June 1, 1984
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

MPWR

GSPC

Monolithic Power Systems (MPWR) vs. Micron (MU), 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 Monolithic Power Systems (MPWR) and Micron (MU). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Monolithic Power Systems (MPWR) and Micron (MU). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Total Return (1Y)	42.29%	208.53%
Total Return (3Y, Annualized)	42.13%	115.89%
Total Return (5Y, Annualized)	20.48%	58.28%

Risk Profile

Drawdown History

MPWR

GSPC

Monolithic Power Systems (MPWR) vs. Micron (MU), 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 Monolithic Power Systems (MPWR) and Micron (MU). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Micron (MU) is heavily traded at around 27.63M shares per day, whereas Monolithic Power Systems (MPWR) sees a more moderate 776.23K — larger orders in the latter may require more patience and tighter control over order sizing.

Risk profile metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Volatility (1Y, Annualized)	57.22%	83.85%
Beta (5Y)	1.67	2.44
Max Drawdown (5Y)	-51.65%	-57.63%
Avg. Volume (3M)	776.23K	27.63M

Risk-Adjusted Performance

Risk-Return Positioning

MPWR and MU are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Sharpe Ratio (1Y)	0.66	2.44
Sortino Ratio (1Y)	0.98	3.87

Profitability

ROE (TTM)

Both companies show strong equity returns, but Micron (MU) at 88.26% is the standout with ROE above its industry range; Monolithic Power Systems (MPWR) at 24.47% also sits in the top quartile.

MPWR

Semiconductors & Semiconductor Equipment industry group

24.47%

Max: 52.82%
MPWR: 24.47%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

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%

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

Micron (MU) at 63.80% retains a top-quartile share of revenue as profit, ahead of Monolithic Power Systems (MPWR) at 23.89%, which keeps about the industry-typical share.

MPWR

Semiconductors & Semiconductor Equipment industry group

23.89%

Max: 63.80%
Q3: 28.36%
MPWR: 23.89%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

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%

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

Micron (MU) at 80.68% turns sales into operating profit above its industry’s benchmark range, while Monolithic Power Systems (MPWR) at 29.75% operates around its industry’s norm.

MPWR

Semiconductors & Semiconductor Equipment industry group

29.75%

Max: 58.66%
Q3: 30.23%
MPWR: 29.75%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

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%

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
ROE (TTM)	24.47%	88.26%
ROA (TTM)	15.52%	44.56%
Net Margin (TTM)	23.89%	63.80%
Operating Margin (TTM)	29.75%	80.68%
Gross Margin (TTM)	55.26%	80.72%

Growth

Revenue Growth

Both companies are growing quickly, but Micron (MU) at 256.33% is the standout with revenue growth above its industry range; Monolithic Power Systems (MPWR) at 26.43% also sits in the top quartile.

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their Revenue Growth across different time periods.

EPS Growth

Micron (MU) at 879.31% delivers above-range EPS growth, while Monolithic Power Systems (MPWR) at -64.85% falls into the bottom quartile — a wide split in earnings momentum.

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Revenue Growth (YoY)	26.43%	256.33%
Revenue Growth (3Y CAGR)	15.86%	104.65%
EPS Growth (YoY)	-64.85%	879.31%
EPS Growth (3Y CAGR)	12.43%	--

Financial Strength

Current Ratio (MRQ)

Both Monolithic Power Systems (MPWR) at 3.70 and Micron (MU) at 3.31 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

MPWR

Semiconductors & Semiconductor Equipment industry group

3.70

Max: 10.33
Q3: 5.62
MPWR: 3.70
Median: 3.33
Q1: 2.35
Min: 1.03

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

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Both Monolithic Power Systems (MPWR) at 0.01 and Micron (MU) at 0.04 keep leverage in the lower quartile of their industries, with less balance-sheet debt relative to equity than most peers.

MPWR

Semiconductors & Semiconductor Equipment industry group

0.01

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
MPWR: 0.01
Min: 0.00

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

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Current Ratio (MRQ)	3.70	3.31
Debt / Equity (MRQ)	0.01	0.04
Net Debt / EBITDA	-0.92	-0.35

Dividends

Dividend Yield (TTM)

Monolithic Power Systems (MPWR) at 0.67% delivers top-quartile income for its industry, while Micron (MU) at 0.09% pays a more typical yield — both are credible income propositions, MPWR the richer one.

MPWR

Semiconductors & Semiconductor Equipment industry group

0.67%

Max: 1.37%
MPWR: 0.67%
Q3: 0.65%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

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%

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Micron (MU) at 0.71% pays out a band-typical share of earnings, while Monolithic Power Systems (MPWR) at 41.65% distributes more than its industry norm — less retained, thinner cover.

MPWR

Semiconductors & Semiconductor Equipment industry group

41.65%

Max: 49.64%
MPWR: 41.65%
Q3: 21.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

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%

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
Dividend Yield (TTM)	0.67%	0.09%
Dividend Payout Ratio (TTM)	41.65%	0.71%

Valuation

P/E Ratio (TTM)

Micron (MU) at 9.28 sits in the cheaper P/E ratio quartile, while Monolithic Power Systems (MPWR) at 65.27 is closer to its industry’s usual earnings multiple — a discount for MU, though growth and earnings durability still matter.

MPWR

Semiconductors & Semiconductor Equipment industry group

65.27

Max: 110.34
Q3: 66.81
MPWR: 65.27
Median: 37.02
Q1: 23.96
Min: 8.12

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

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

Micron (MU) at 5.86 is priced about in line with its industry on P/S ratio, while Monolithic Power Systems (MPWR) at 15.53 sits in the pricier quartile — MPWR costs more per dollar of sales.

MPWR

Semiconductors & Semiconductor Equipment industry group

15.53

Max: 21.42
MPWR: 15.53
Q3: 12.27
Median: 5.76
Q1: 2.73
Min: 0.00

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

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

Micron (MU) at 5.64 sits near its industry’s typical P/B ratio, while Monolithic Power Systems (MPWR) at 15.56 prices above its benchmark range — MPWR looks rich relative to book.

MPWR

Semiconductors & Semiconductor Equipment industry group

15.56

MPWR: 15.56
Max: 14.06
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

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

Monolithic Power Systems (MPWR) vs. Micron (MU): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Monolithic Power Systems (MPWR) and Micron (MU)
Metric	MPWR	MU
P/E Ratio (TTM)	65.27	9.28
P/S Ratio (TTM)	15.53	5.86
P/B Ratio (MRQ)	15.56	5.64
Free Cash Flow Yield (TTM)	0.87%	3.73%