WallStSmart

Teradyne Inc (TER)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 211% more annual revenue ($11.78B vs $3.79B). WDC leads profitability with a 55.3% profit margin vs 22.6%. WDC appears more attractively valued with a PEG of 0.58. WDC earns a higher WallStSmart Score of 80/100 (A-).

TER

Strong Buy

75

out of 100

Grade: B+

Growth: 8.0Profit: 9.5Value: 3.7Quality: 8.0
Piotroski: 4/9Altman Z: 2.98

WDC

Exceptional Buy

80

out of 100

Grade: A-

Growth: 7.3Profit: 9.5Value: 5.7Quality: 6.5
Piotroski: 5/9Altman Z: 1.51

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

TER6 strengths · Avg: 9.7/10
Operating MarginProfitability
37.6%10/10

Strong operational efficiency at 37.6%

Revenue GrowthGrowth
87.0%10/10

Revenue surging 87.0% year-over-year

EPS GrowthGrowth
314.8%10/10

Earnings expanding 314.8% YoY

Debt/EquityHealth
0.0310/10

Conservative balance sheet, low leverage

Market CapQuality
$67.69B9/10

Large-cap with strong market position

Return on EquityProfitability
27.2%9/10

Every $100 of equity generates 27 in profit

WDC6 strengths · Avg: 10.0/10
Market CapQuality
$225.26B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
67.0%10/10

Every $100 of equity generates 67 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
482.9%10/10

Earnings expanding 482.9% YoY

Areas to Watch

TER3 concerns · Avg: 2.7/10
PEG RatioValuation
1.714/10

Expensive relative to growth rate

P/E RatioValuation
79.9x2/10

Premium valuation, high expectations priced in

Price/BookValuation
22.7x2/10

Trading at 22.7x book value

WDC3 concerns · Avg: 3.3/10
P/E RatioValuation
39.1x4/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.514/10

Distress zone — elevated risk

Price/BookValuation
27.5x2/10

Trading at 27.5x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : TER

The strongest argument for TER centers on Operating Margin, Revenue Growth, EPS Growth. Profitability is solid with margins at 22.6% and operating margin at 37.6%. Revenue growth of 87.0% demonstrates continued momentum.

Bull Case : WDC

The strongest argument for WDC centers on Market Cap, Return on Equity, Profit 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 : TER

The primary concerns for TER are PEG Ratio, P/E Ratio, Price/Book. A P/E of 79.9x leaves little room for execution misses.

Bear Case : WDC

The primary concerns for WDC are P/E Ratio, Altman Z-Score, Price/Book.

Key Dynamics to Monitor

WDC carries more volatility with a beta of 2.20 — expect wider price swings.

TER is growing revenue faster at 87.0% — sustainability is the question.

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

Monitor SEMICONDUCTOR EQUIPMENT & MATERIALS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WDC scores higher overall (80/100 vs 75/100), backed by strong 55.3% margins and 45.5% revenue growth. Both earn "Exceptional 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.

Teradyne Inc

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

Teradyne, Inc. is an American automatic test equipment (ATE) designer and manufacturer based in North Reading, Massachusetts.

Visit Website →

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.

Want to dig deeper into these stocks?