Keysight Technologies, Inc. (KEYS) vs Monolithic Power Systems, Inc. (MPWR)

A side-by-side comparison of Keysight Technologies, Inc. and Monolithic Power Systems, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 20, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnKEYS vs MPWR

growth of $100 · dividends reinvested · last 10y
KEYS +958.1% (+26.6%/yr)MPWR +1817.2% (+34.4%/yr)MPWR compounded faster over this window
05001k2k2k3kStart $10020182020202220242026$1,058$1,917
KEYS MPWR

KEYS vs MPWR: by the numbers

  • MPWR is the larger company ($63.88B vs $54.59B market cap).
  • KEYS trades at the lower trailing earnings multiple (44.00 vs 79.67 P/E), one valuation lens rather than an overall verdict.
  • KEYS converts more revenue to profit (26.52% vs 24.41% net margin).
  • MPWR grew revenue faster over the past five years (25.77% vs 4.95% CAGR).
  • MPWR pays a dividend (0.55% yield), while KEYS has no payments in the available dividend history.

Metrics side by side

Valuation

MetricKEYSMPWR
P/E ratio44.0079.67
Forward P/E31.4147.88
P/S ratio11.6719.56
P/B ratio8.4116.44
EV / EBITDA59.0163.04
FCF yield2.83%0.91%

Profitability

MetricKEYSMPWR
Gross margin64.23%55.20%
Operating margin18.41%28.72%
Net margin26.52%24.41%
ROE19.11%20.51%
ROIC8.30%18.22%

Dividends

MetricKEYSMPWR
Dividend yieldN/A0.55%
Payout ratioN/A55.54%

Growth (annualized)

MetricKEYSMPWR
Revenue CAGR (5Y)4.95%25.77%
EPS CAGR (5Y)7.90%28.43%
FCF CAGR (5Y)6.17%19.36%
Total return CAGR (5Y)13.90%23.61%

Frequently asked

Which has the lower trailing P/E, KEYS or MPWR?
KEYS has the lower trailing P/E: KEYS trades at 44.00 and MPWR at 79.67. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, KEYS or MPWR?
Over the past five years, MPWR grew revenue faster — KEYS at a 4.95% CAGR versus MPWR at 25.77%.
Does KEYS or MPWR pay a bigger dividend?
MPWR pays a dividend (0.55% yield), while KEYS has no payments in the available dividend history.
Is KEYS or MPWR more profitable?
KEYS runs the higher net margin — KEYS at 26.52% versus MPWR at 24.41%.
How have KEYS and MPWR total returns compared?
Over the past 10 years, KEYS delivered 26.61% and MPWR delivered 34.10% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 20, 2026.