WallStSmart

Teradyne Inc (TER)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 236% more annual revenue ($10.73B vs $3.19B). WDC leads profitability with a 35.6% profit margin vs 17.4%. WDC appears more attractively valued with a PEG of 0.69. TER earns a higher WallStSmart Score of 70/100 (B).

TER

Strong Buy

70

out of 100

Grade: B

Growth: 10.0Profit: 8.5Value: 4.7Quality: 6.8
Piotroski: 4/9

WDC

Buy

55

out of 100

Grade: C

Growth: 2.0Profit: 9.0Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

TERSignificantly Overvalued (-105.7%)

Margin of Safety

-105.7%

Fair Value

$156.31

Current Price

$290.83

$134.52 premium

UndervaluedFair: $156.31Overvalued
WDCSignificantly Overvalued (-311.2%)

Margin of Safety

-311.2%

Fair Value

$66.57

Current Price

$293.10

$226.53 premium

UndervaluedFair: $66.57Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

TER4 strengths · Avg: 9.8/10
Operating MarginProfitability
30.3%10/10

Strong operational efficiency at 30.3%

Revenue GrowthGrowth
43.9%10/10

Revenue surging 43.9% year-over-year

EPS GrowthGrowth
81.4%10/10

Earnings expanding 81.4% YoY

Debt/EquityHealth
0.129/10

Conservative balance sheet, low leverage

WDC4 strengths · Avg: 9.3/10
Return on EquityProfitability
41.1%10/10

Every $100 of equity generates 41 in profit

Profit MarginProfitability
35.6%10/10

Keeps 36 of every $100 in revenue as profit

Market CapQuality
$100.21B9/10

Large-cap with strong market position

PEG RatioValuation
0.698/10

Growing faster than its price suggests

Areas to Watch

TER3 concerns · Avg: 3.3/10
PEG RatioValuation
1.614/10

Expensive relative to growth rate

Price/BookValuation
16.2x4/10

Trading at 16.2x book value

P/E RatioValuation
87.1x2/10

Premium valuation, high expectations priced in

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
14.0x4/10

Trading at 14.0x book value

Revenue GrowthGrowth
-41.0%2/10

Revenue declined 41.0%

EPS GrowthGrowth
-95.9%2/10

Earnings declined 95.9%

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 17.4% and operating margin at 30.3%. Revenue growth of 43.9% demonstrates continued momentum.

Bull Case : WDC

The strongest argument for WDC centers on Return on Equity, Profit Margin, Market Cap. Profitability is solid with margins at 35.6% and operating margin at 15.4%. PEG of 0.69 suggests the stock is reasonably priced for its growth.

Bear Case : TER

The primary concerns for TER are PEG Ratio, Price/Book, P/E Ratio. A P/E of 87.1x leaves little room for execution misses.

Bear Case : WDC

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

Key Dynamics to Monitor

TER profiles as a growth stock while WDC is a declining play — different risk/reward profiles.

WDC carries more volatility with a beta of 1.85 — expect wider price swings.

TER is growing revenue faster at 43.9% — sustainability is the question.

WDC generates stronger free cash flow (653M), providing more financial flexibility.

Bottom Line

TER scores higher overall (70/100 vs 55/100), backed by strong 17.4% margins and 43.9% revenue growth. Both earn "Strong Buy" and "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.

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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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