Which has the lower trailing P/E, APH or KLAC?

APH has the lower trailing P/E: APH trades at 39.00 and KLAC at 45.69. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, APH or KLAC?

Over the past five years, APH grew revenue faster — APH at a 24.30% CAGR versus KLAC at 14.44%.

Does APH or KLAC pay a bigger dividend?

APH yields 0.94% and KLAC yields 0.47% based on trailing dividends and the latest price.

Is APH or KLAC more profitable?

KLAC runs the higher net margin — APH at 17.76% versus KLAC at 35.57%.

How have APH and KLAC total returns compared?

Over the past 10 years, APH delivered 28.40% and KLAC delivered 40.70% annualized total return. Past performance doesn't predict future results.

Amphenol Corporation (APH) vs KLA Corporation (KLAC)

A side-by-side comparison of Amphenol Corporation and KLA Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

APH

Amphenol Corporation

$192.36B

$78.01TechnologyDelayed quote: Sep 15, 2026, 10:30 AM EDT

KLAC

KLA Corporation

$218.74B

$167.45TechnologyDelayed quote: Sep 15, 2026, 10:30 AM EDT

Total return — APH vs KLAC

growth of $100 · dividends reinvested · last 10y

APH +1102.4% (+28.2%/yr)KLAC +2898.1% (+40.5%/yr)KLAC compounded faster over this window

APH KLAC

APH vs KLAC: by the numbers

•KLAC is the larger company ($218.74B vs $192.36B market cap).
•APH trades at the lower trailing earnings multiple (39.00 vs 45.69 P/E), one valuation lens rather than an overall verdict.
•KLAC converts more revenue to profit (35.57% vs 17.76% net margin).
•APH grew revenue faster over the past five years (24.30% vs 14.44% CAGR).
•APH pays the higher dividend yield (0.94% vs 0.47%).

Metrics side by side

Valuation

Metric	APH	KLAC
P/E ratio	39.00	45.69
Forward P/E	29.54	30.51
P/S ratio	6.63	16.11
P/B ratio	12.42	34.45
EV / EBITDA	22.11	36.87
FCF yield	2.45%	1.72%

Profitability

Metric	APH	KLAC
Gross margin	38.50%	61.30%
Operating margin	27.19%	41.69%
Net margin	17.76%	35.57%
ROE	33.27%	76.08%
ROIC	15.10%	35.75%

Dividends

Metric	APH	KLAC
Dividend yield	0.94%	0.47%
Payout ratio	39.50%	22.92%

Growth (annualized)

Metric	APH	KLAC
Revenue CAGR (5Y)	24.30%	14.44%
EPS CAGR (5Y)	28.30%	22.23%
FCF CAGR (5Y)	31.12%	14.04%
Total return CAGR (5Y)	36.35%	40.13%

Frequently asked

Which has the lower trailing P/E, APH or KLAC?: APH has the lower trailing P/E: APH trades at 39.00 and KLAC at 45.69. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, APH or KLAC?: Over the past five years, APH grew revenue faster — APH at a 24.30% CAGR versus KLAC at 14.44%.
Does APH or KLAC pay a bigger dividend?: APH yields 0.94% and KLAC yields 0.47% based on trailing dividends and the latest price.
Is APH or KLAC more profitable?: KLAC runs the higher net margin — APH at 17.76% versus KLAC at 35.57%.
How have APH and KLAC total returns compared?: Over the past 10 years, APH delivered 28.40% and KLAC delivered 40.70% annualized total return. Past performance doesn't predict future results.

Go deeper

Full APH analysis Full KLAC analysis Interactive comparison tool

Dig into the metrics

Amphenol P/E ratio KLA P/E ratio Amphenol dividend yield KLA dividend yield Amphenol ROE KLA ROE Amphenol operating margin KLA operating margin Amphenol revenue growth KLA revenue growth Amphenol free cash flow KLA free cash flow

Amphenol & KLA appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest Operating Margin Stocks

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 September 13, 2026.