Is KLAC or WDC cheaper?

On trailing earnings, KLAC is cheaper: KLAC trades at a 7.26 P/E and WDC at 39.88.

Which has grown faster, KLAC or WDC?

Over the past five years, KLAC grew revenue faster — KLAC at a 15.21% CAGR versus WDC at -6.28%.

Does KLAC or WDC pay a bigger dividend?

KLAC yields 0.31% and WDC yields 0.07% based on trailing dividends and the latest price.

Is KLAC or WDC more profitable?

WDC runs the higher net margin — KLAC at 35.66% versus WDC at 55.07%.

Which has been the better investment, KLAC or WDC?

Over the past 10-year, KLAC delivered the higher annualized total return — KLAC at 44.42% versus WDC at 36.43%. Past performance doesn't predict future results.

KLA Corporation (KLAC) vs Western Digital Corporation (WDC)

KLAC leads on 13 of 17 compared metrics.

A side-by-side comparison of KLA Corporation and Western Digital Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 16, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Western Digital Corporation

$234.76B

$681.08Technology

Total return — KLAC vs WDC

growth of $100 · last 30y

KLAC +20385.7%WDC +7526.9%KLAC compounded faster

KLAC WDC

KLAC vs WDC: by the numbers

•KLAC is the larger company ($319.50B vs $234.76B market cap).
•KLAC trades at the lower earnings multiple (7.26 vs 39.88 P/E).
•WDC converts more revenue to profit (55.07% vs 35.66% net margin).
•KLAC grew revenue faster over the past five years (15.21% vs -6.28% CAGR).
•KLAC pays the higher dividend yield (0.31% vs 0.07%).

Which is better, KLAC or WDC?

Metric tally: KLAC 13 · WDC 4

It depends on what you're optimizing for:

ValueKLAC(lower P/E)

GrowthKLAC(faster 5Y revenue CAGR)

QualityKLAC(higher ROIC)

Metrics side by side

Valuation

Metric	KLAC	WDC
P/E ratio	7.26●	39.88
Forward P/E	50.32	38.27●
P/S ratio	2.58●	21.74
P/B ratio	5.79●	26.46
PEG ratio	0.06●	3.09
EV / EBITDA	6.46●	33.93
FCF yield	11.88%●	1.13%

Profitability

Metric	KLAC	WDC
Gross margin	61.75%●	45.43%
Operating margin	42.08%●	30.78%
Net margin	35.66%	55.07%●
ROE	80.11%●	67.00%
ROIC	38.11%●	21.53%

Dividends

Metric	KLAC	WDC
Dividend yield	0.31%●	0.07%
Payout ratio	2.62%	9.42%

Growth (annualized)

Metric	KLAC	WDC
Revenue CAGR (5Y)	15.21%●	-6.28%
EPS CAGR (5Y)	31.52%●	12.92%
FCF CAGR (5Y)	15.49%	78.08%●
Total return CAGR (5Y)	52.01%	65.36%●

Frequently asked

Which is better, KLAC or WDC?: It depends on your goal. value: KLAC (lower P/E); growth: KLAC (faster 5Y revenue CAGR); quality: KLAC (higher ROIC). Across all compared metrics, KLAC leads 13 to 4.
Is KLAC or WDC cheaper?: On trailing earnings, KLAC is cheaper: KLAC trades at a 7.26 P/E and WDC at 39.88.
Which has grown faster, KLAC or WDC?: Over the past five years, KLAC grew revenue faster — KLAC at a 15.21% CAGR versus WDC at -6.28%.
Does KLAC or WDC pay a bigger dividend?: KLAC yields 0.31% and WDC yields 0.07% based on trailing dividends and the latest price.
Is KLAC or WDC more profitable?: WDC runs the higher net margin — KLAC at 35.66% versus WDC at 55.07%.
Which has been the better investment, KLAC or WDC?: Over the past 10-year, KLAC delivered the higher annualized total return — KLAC at 44.42% versus WDC at 36.43%. Past performance doesn't predict future results.

Go deeper

Full KLAC analysis Full WDC analysis Interactive comparison tool

Dig into the metrics

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

KLA & Western Digital 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 June 16, 2026.