Which is better, KLAC or MPWR?

On the Buffett-Fit framework, KLA Corporation (KLAC) currently grades higher than MPWR — 80/100 (A grade) vs 69/100 (C). That said, "better" depends on which framework you trust — KLAC wins on Warren Buffett, Benjamin Graham, Joel Greenblatt, Charlie Munger, and Terry Smith; MPWR wins on Philip Fisher and Peter Lynch. The full pillar breakdown is on this page.

Should I buy KLAC or MPWR?

This page is an educational comparison, not investment advice. Both KLAC and MPWR are graded against the same Buffett 5-pillar framework (moat, earnings durability, management quality, financial health, valuation) plus six other documented investor frameworks. Read the side-by-side breakdown to see which one matches the criteria you care about most — and always do your own research before making any investment decision.

Is KLAC better than MPWR for value investing?

On the Buffett-style value-investing framework, KLAC currently grades higher — 80/100 vs 69/100, a 11-point gap. The gap is driven by which pillars each stock passes; the table on this page shows moat, durability, management, financial health, and valuation side-by-side.

What's the difference between KLAC and MPWR on Warren Buffett's framework?

Both stocks are evaluated on the same five pillars: economic moat (durable competitive advantage), earnings durability (consistent profitability), management quality (capital allocation), financial health (conservative balance sheet), and valuation (margin of safety). KLAC currently scores 80/100 (A grade); MPWR scores 69/100 (C grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, KLAC or MPWR?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. KLAC and MPWR are each scored on ROIC sustainability, gross-margin durability, and qualitative signals like brand strength, switching costs, network effects, and regulatory barriers. The pillar breakdown on this page shows the moat sub-score side-by-side so you can see which one has the more durable competitive advantage.

Which is more undervalued, KLAC or MPWR?

Valuation is one of the five Buffett-Fit pillars on this page. Both stocks are scored on owner-earnings yield, price-to-intrinsic-value vs the underlying compounding rate, and the margin of safety relative to a conservative DCF. The valuation sub-score in the table below tells you which one currently trades at a more attractive price relative to its underlying business quality.

Are KLAC and MPWR both Technology stocks?

Yes — both KLA Corporation (KLAC) and Monolithic Power Systems, Inc. (MPWR) operate in the Technology sector. That makes this a direct sector-peer comparison, which is the apples-to-apples way to use the Buffett-Fit framework: the score weighs each stock against its sector's specific quality and valuation benchmarks (sector-relative bonus), so the cross-stock comparison isn't distorted by inter-sector base-rate differences.

Is this KLAC vs MPWR comparison investment advice?

No. This page is an educational pattern-match against documented public frameworks (Buffett, Graham, Fisher, Lynch, Greenblatt, Munger, Smith), not personalised investment advice. The scores reflect how closely each stock matches each framework's documented criteria — they are not buy/hold/sell recommendations. Always do your own research and consult a licensed financial adviser for personalised advice.

Stock comparison

KLA

KLAC$241.34BTechnology Market cap, Sector

Monolithic Power Systems

MPWR$75.48BTechnology Market cap, Sector

Overall winner

KLA

KLAC 52 MPWR

Wins on the combined sum of fit scores across all four strategies. Per-strategy breakdown below.

Scored across Buffett, Graham, Lynch and Greenblatt - plus a side-by-side metric table covering valuation, quality, growth and balance sheet.

Fit scores by strategy

KLAC5wins

2winsMPWR

Warren Buffett

80B

C69

Benjamin Graham

94A

A88

Philip Fisher

90A

A93

Peter Lynch

78B

A92

Joel Greenblatt

78B

D59

Charlie Munger

93A

B81

Terry Smith

94A

A85

Side-by-side metrics

Metric	KLAC	MPWR
Market cap	Winner: $241.34B	$75.48B
P/E (TTM)	Winner: 51.8x	112.7x
EV/EBIT	Winner: 46.9x	103.1x
ROIC (TTM)	Winner: 36.29%	16.27%
Gross margin	Winner: 61.75%	55.18%
Net margin	Winner: 35.66%	22.84%
Revenue CAGR 5y	15.13%	23.29% Winner
EPS CAGR 5y	22.65%	24.83% Winner
Debt / Equity	1.1x	- Winner
Dividend yield	Winner: 0.43%	0.43%

Where each one wins

The metrics with the biggest gap between the two - sorted so the most decisive edges read first.

KLAC leads on

Market cap$241.34Bvs $75.48B+69%
ROIC (TTM)36.29%vs 16.27%+55%
EV/EBIT46.9xvs 103.1x+55%
P/E (TTM)51.8xvs 112.7x+54%

MPWR leads on

Debt / Equity-vs 1.1x+100%
Revenue CAGR 5y23.29%vs 15.13%+35%
EPS CAGR 5y24.83%vs 22.65%+9%

More like KLAC

KLAC vs FICO KLAC vs CAMS.BO KLAC vs FTNT KLAC vs 4071.T

More like MPWR

MPWR vs FICO MPWR vs CAMS.BO MPWR vs FTNT MPWR vs 4071.T

Read the full Buffett-Brain analysis for KLAC Read the full Buffett-Brain analysis for MPWR

Related on invest-like

Strongest Moat Highest ROIC Warren Buffett strategy Economic Moat

Key terms in this analysis

ROIC Free Cash Flow (FCF)Economic Moat P/E Ratio Margin of Safety Quality Score

Educational tool. Fit scores are deterministic projections from public financials onto each investor's published criteria - not personal recommendations or advice.