WallStSmart

Sandisk Corp (SNDK)vsWestern Digital Corporation (WDC)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Western Digital Corporation generates 20% more annual revenue ($10.73B vs $8.93B). WDC leads profitability with a 35.6% profit margin vs -11.7%. WDC earns a higher WallStSmart Score of 55/100 (C).

SNDK

Hold

49

out of 100

Grade: D+

Growth: 7.3Profit: 5.0Value: 5.0Quality: 8.0
Piotroski: 4/9Altman Z: 1.82

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

Intrinsic value data unavailable for SNDK.

WDCSignificantly Overvalued (-280.1%)

Margin of Safety

-280.1%

Fair Value

$72.01

Current Price

$293.10

$221.09 premium

UndervaluedFair: $72.01Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

SNDK5 strengths · Avg: 9.8/10
Operating MarginProfitability
35.5%10/10

Strong operational efficiency at 35.5%

Revenue GrowthGrowth
61.2%10/10

Revenue surging 61.2% year-over-year

EPS GrowthGrowth
618.0%10/10

Earnings expanding 618.0% YoY

Debt/EquityHealth
0.0810/10

Conservative balance sheet, low leverage

Market CapQuality
$104.75B9/10

Large-cap with strong market position

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
$97.85B9/10

Large-cap with strong market position

PEG RatioValuation
0.718/10

Growing faster than its price suggests

Areas to Watch

SNDK4 concerns · Avg: 2.8/10
Price/BookValuation
10.3x4/10

Trading at 10.3x book value

Altman Z-ScoreHealth
1.824/10

Grey zone — moderate risk

Return on EquityProfitability
-9.4%2/10

ROE of -9.4% — below average capital efficiency

Profit MarginProfitability
-11.7%1/10

Currently unprofitable

WDC4 concerns · Avg: 3.0/10
P/E RatioValuation
27.0x4/10

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 : SNDK

The strongest argument for SNDK centers on Operating Margin, Revenue Growth, EPS Growth. Revenue growth of 61.2% 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 0.71 suggests the stock is reasonably priced for its growth.

Bear Case : SNDK

The primary concerns for SNDK are Price/Book, Altman Z-Score, Return on Equity.

Bear Case : WDC

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

Key Dynamics to Monitor

SNDK profiles as a hypergrowth stock while WDC is a declining play — different risk/reward profiles.

SNDK is growing revenue faster at 61.2% — sustainability is the question.

SNDK generates stronger free cash flow (980M), providing more financial flexibility.

Monitor COMPUTER HARDWARE industry trends, competitive dynamics, and regulatory changes.

Bottom Line

WDC scores higher overall (55/100 vs 49/100), backed by strong 35.6% margins. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Sandisk Corp

TECHNOLOGY · COMPUTER HARDWARE · USA

Sandisk Corporation (Ticker: SNDK) is a U.S.-based technology company that develops, manufactures, and sells data storage products and solutions built on NAND flash memory technology, including solid-state drives (SSDs), embedded storage, memory cards, and USB flash drives for consumer, enterprise, and cloud computing markets.

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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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