WallStSmart

KLA Corporation (KLAC)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

KLA Corporation generates 11% more annual revenue ($13.10B vs $11.78B). WDC leads profitability with a 55.3% profit margin vs 35.7%. WDC appears more attractively valued with a PEG of 0.87. WDC earns a higher WallStSmart Score of 79/100 (B+).

KLAC

Strong Buy

68

out of 100

Grade: B-

Growth: 6.0Profit: 10.0Value: 4.3Quality: 7.0
Piotroski: 6/9Altman Z: 2.70

WDC

Strong Buy

79

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 6.3Quality: 5.0

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

KLAC4 strengths · Avg: 10.0/10
Market CapQuality
$226.82B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
95.0%10/10

Every $100 of equity generates 95 in profit

Profit MarginProfitability
35.7%10/10

Keeps 36 of every $100 in revenue as profit

Operating MarginProfitability
41.2%10/10

Strong operational efficiency at 41.2%

WDC6 strengths · Avg: 9.8/10
Return on EquityProfitability
85.9%10/10

Every $100 of equity generates 86 in profit

Profit MarginProfitability
55.3%10/10

Keeps 55 of every $100 in revenue as profit

Operating MarginProfitability
37.0%10/10

Strong operational efficiency at 37.0%

Revenue GrowthGrowth
45.5%10/10

Revenue surging 45.5% year-over-year

EPS GrowthGrowth
477.2%10/10

Earnings expanding 477.2% YoY

Market CapQuality
$152.47B9/10

Large-cap with strong market position

Areas to Watch

KLAC4 concerns · Avg: 2.8/10
PEG RatioValuation
1.834/10

Expensive relative to growth rate

Debt/EquityHealth
1.153/10

Elevated debt levels

P/E RatioValuation
48.8x2/10

Premium valuation, high expectations priced in

Price/BookValuation
41.1x2/10

Trading at 41.1x book value

WDC2 concerns · Avg: 3.0/10
P/E RatioValuation
25.8x4/10

Moderate valuation

Price/BookValuation
21.2x2/10

Trading at 21.2x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : KLAC

The strongest argument for KLAC centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 35.7% and operating margin at 41.2%. Revenue growth of 11.5% demonstrates continued momentum.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Operating Margin. Profitability is solid with margins at 55.3% and operating margin at 37.0%. Revenue growth of 45.5% demonstrates continued momentum.

Bear Case : KLAC

The primary concerns for KLAC are PEG Ratio, Debt/Equity, P/E Ratio. A P/E of 48.8x leaves little room for execution misses.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Price/Book.

Key Dynamics to Monitor

KLAC profiles as a mature stock while WDC is a growth play — different risk/reward profiles.

WDC carries more volatility with a beta of 2.16 — expect wider price swings.

WDC is growing revenue faster at 45.5% — sustainability is the question.

WDC generates stronger free cash flow (978M), providing more financial flexibility.

Bottom Line

WDC scores higher overall (79/100 vs 68/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Strong Buy" and "Strong Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

KLA Corporation

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

KLA Corporation is a capital equipment company based in Milpitas, California. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

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Western Digital Corporation

TECHNOLOGY · COMPUTER HARDWARE · USA

Western Digital Corporation (WDC, commonly known as Western Digital or WD) is an American computer hard disk drive manufacturer and data storage company, headquartered in San Jose, California. It designs, manufactures and sells data technology products, including storage devices, data center systems and cloud storage services.

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