WallStSmart

Diodes Incorporated (DIOD)vsTaiwan Semiconductor Manufacturing (TSM)

VS
⚡

Smart Verdict

WallStSmart Research — data-driven comparison

Taiwan Semiconductor Manufacturing generates 302383% more annual revenue ($4.94T vs $1.63B). TSM leads profitability with a 51.1% profit margin vs 5.3%. TSM appears more attractively valued with a PEG of 0.77. TSM earns a higher WallStSmart Score of 86/100 (A).

DIOD

Buy

55

out of 100

Grade: C-

Growth: 4.7Profit: 4.5Value: 5.3Quality: 9.0
Piotroski: 4/9Altman Z: 4.46

TSM

Exceptional Buy

86

out of 100

Grade: A

Growth: 9.3Profit: 10.0Value: 8.0Quality: 9.0
Piotroski: 6/9Altman Z: 3.85
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

DIODOvervalued (-10.0%)

Margin of Safety

-10.0%

Fair Value

$70.89

Current Price

$89.30

$18.41 premium

UndervaluedFair: $70.89Overvalued
TSMUndervalued (+55.1%)

Margin of Safety

+55.1%

Fair Value

$979.05

Current Price

$439.51

$539.54 discount

UndervaluedFair: $979.05Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

DIOD5 strengths · Avg: 8.8/10
Debt/EquityHealth
0.0410/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
4.4610/10

Safe zone — low bankruptcy risk

PEG RatioValuation
0.938/10

Growing faster than its price suggests

Price/BookValuation
2.1x8/10

Reasonable price relative to book value

Revenue GrowthGrowth
21.7%8/10

Revenue surging 21.7% year-over-year

TSM6 strengths · Avg: 10.0/10
Market CapQuality
$2.27T10/10

Mega-cap, among the largest globally

Return on EquityProfitability
36.5%10/10

Every $100 of equity generates 37 in profit

Profit MarginProfitability
51.1%10/10

Keeps 51 of every $100 in revenue as profit

Operating MarginProfitability
58.7%10/10

Strong operational efficiency at 58.7%

Revenue GrowthGrowth
50.9%10/10

Revenue surging 50.9% year-over-year

EPS GrowthGrowth
68.7%10/10

Earnings expanding 68.7% YoY

Areas to Watch

DIOD4 concerns · Avg: 3.0/10
EPS GrowthGrowth
1.0%4/10

1.0% earnings growth

Return on EquityProfitability
4.6%3/10

ROE of 4.6% — below average capital efficiency

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

P/E RatioValuation
44.3x2/10

Premium valuation, high expectations priced in

TSM2 concerns · Avg: 3.0/10
P/E RatioValuation
28.3x4/10

Moderate valuation

Price/BookValuation
83.9x2/10

Trading at 83.9x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : DIOD

The strongest argument for DIOD centers on Debt/Equity, Altman Z-Score, PEG Ratio. Revenue growth of 21.7% demonstrates continued momentum. PEG of 0.93 suggests the stock is reasonably priced for its growth.

Bull Case : TSM

The strongest argument for TSM centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 51.1% and operating margin at 58.7%. Revenue growth of 50.9% demonstrates continued momentum.

Bear Case : DIOD

The primary concerns for DIOD are EPS Growth, Return on Equity, Profit Margin. A P/E of 44.3x leaves little room for execution misses.

Bear Case : TSM

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

Key Dynamics to Monitor

DIOD carries more volatility with a beta of 1.90 — expect wider price swings.

TSM is growing revenue faster at 50.9% — sustainability is the question.

TSM generates stronger free cash flow (510.1B), providing more financial flexibility.

Monitor SEMICONDUCTORS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

TSM scores higher overall (86/100 vs 55/100), backed by strong 51.1% margins and 50.9% revenue growth. Both earn "Exceptional 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.

Diodes Incorporated

TECHNOLOGY · SEMICONDUCTORS · USA

Diodes Incorporated designs, manufactures and supplies standard products for specific applications in the discrete, logic, analog and mixed-signal semiconductor markets worldwide. The company is headquartered in Plano, Texas.

Taiwan Semiconductor Manufacturing

TECHNOLOGY · SEMICONDUCTORS · USA

Taiwan Semiconductor Manufacturing Company, Limited is a Taiwanese multinational semiconductor contract manufacturing and design company. It is one of Taiwan's largest companies, the world's most valuable semiconductor company, and the world's largest dedicated independent (pure-play) semiconductor foundry, with its headquarters and main operations located in the Hsinchu Science Park in Hsinchu, Taiwan. It is majority owned by foreign investors.

Visit Website →

Want to dig deeper into these stocks?