Which is better, ARM or KLAC?

On the Buffett-Fit framework, KLA Corporation (KLAC) currently grades higher than ARM — 80/100 (A grade) vs 46/100 (D). That said, "better" depends on which framework you trust — ARM wins on none; KLAC wins on Warren Buffett, Benjamin Graham, Philip Fisher, Peter Lynch, Joel Greenblatt, Charlie Munger, and Terry Smith. The full pillar breakdown is on this page.

Should I buy ARM or KLAC?

This page is an educational comparison, not investment advice. Both ARM and KLAC 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 ARM better than KLAC for value investing?

On the Buffett-style value-investing framework, KLAC currently grades higher — 80/100 vs 46/100, a 34-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 ARM and KLAC 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). ARM currently scores 46/100 (D grade); KLAC scores 80/100 (A grade). The "Where each wins" section on this page breaks down which pillar each stock dominates.

Which has the stronger moat, ARM or KLAC?

Moat strength is one of the five pillars in the Buffett-Fit score on this page. ARM and KLAC 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, ARM or KLAC?

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 ARM and KLAC both Technology stocks?

Yes — both Arm Holdings plc American Depositary Shares (ARM) and KLA Corporation (KLAC) 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 ARM vs KLAC 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

Arm Holdings

ARM$317.32BTechnology Market cap, Sector

KLA

KLAC$240.64BTechnology Market cap, Sector

Overall winner

KLA

ARM 07 KLAC

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

ARM0wins

7winsKLAC

Warren Buffett

46D

B80

Benjamin Graham

80B

A94

Philip Fisher

63C

A90

Peter Lynch

54D

B78

Joel Greenblatt

10F

B78

Charlie Munger

52D

A93

Terry Smith

56D

A94

Side-by-side metrics

Metric	ARM	KLAC
Market cap	Winner: $317.32B	$240.64B
P/E (TTM)	332.0x	51.8x Winner
EV/EBIT	328.3x	46.9x Winner
ROIC (TTM)	7.26%	36.29% Winner
Gross margin	Winner: 94.63%	61.75%
Net margin	18.37%	35.66% Winner
Revenue CAGR 5y	Winner: 16.15%	15.13%
EPS CAGR 5y	12.01%	22.65% Winner
Debt / Equity	Winner: 0.1x	1.1x
Dividend yield	0.0%	0.43% Winner

Where each one wins

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

ARM leads on

Debt / Equity0.1xvs 1.1x+95%
Gross margin94.63%vs 61.75%+35%
Market cap$317.32Bvs $240.64B+24%
Revenue CAGR 5y16.15%vs 15.13%+6%

KLAC leads on

Dividend yield0.43%vs 0.0%+100%
EV/EBIT46.9xvs 328.3x+86%
P/E (TTM)51.8xvs 332.0x+84%
ROIC (TTM)36.29%vs 7.26%+80%

More like ARM

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

More like KLAC

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

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

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.