Compare StocksAMD vs AOS

Advanced Micro Devices, Inc. (AMD) vs A. O. Smith Corporation (AOS): Which Is the Better Buy in 2026?

As of 2026-06-19, AMD is overvalued at $537, with a DCF intrinsic value of $219 and a margin of safety of -145%. AOS is undervalued at $58, with an intrinsic value of $100 and a margin of safety of 42%. Of the two, AOS has the wider margin of safety.

AMD
Advanced Micro Devices, Inc.
$537.37
VS
AOS
A. O. Smith Corporation
$58.22

Rewards

AMD
  • Free cash flow has grown at a 29.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $2.01 of earning power — management is an exceptional capital allocator.
  • Management has timed buybacks well — 3 out of 4 years showed value-accretive repurchases.
AOS
  • A. O. Smith Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • A. O. Smith Corporation scores 93/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.
  • Free cash flow has grown at a 19.4% CAGR over the past 4 years, demonstrating strong earnings power growth.

Risks

AMD
  • Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
  • FCF yield of 0.8% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 179.7x is 30% above the historical average of 138.5x — the stock trades at a premium to its own history.
AOS
  • FCF yield of 6.2% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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AMD
AOS
Valuation
$7.17B
Free Cash Flow
$495.61M
0.82%
FCF Yield
6.18%
179.72
Trailing P/E
15.53
41.01
Forward P/E
13.96
Quality & Moat
6.23%
ROIC
20.33%
8.06%
ROE
28.27%
53.06%
Gross Margin
38.76%
1.22
PEG Ratio
1.58
Balance Sheet Safety
Net cash
Net Debt / Equity
0.24
N/A
Interest Coverage
N/A
-1.14
Net Debt / EBITDA
0.57
0.00%
Dividend Yield
2.36%
AMD: 5Ties: 1AOS: 6
AMDAOS

Historical Fundamentals

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AMD

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

AOS

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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AMD
$35.82
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$6.83B
Δ Market Cap
+$244.67B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
AOS
$0.57
created per $1 retained over 3 years
Mediocre Allocator
Σ Retained
$1.07B
Δ Market Cap
+$612.2M
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

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AMD
78.1% Overvalued
Price is 78.1% above estimated fair value
Current Price: $537.37
Fair Value: $301.68
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
AOS
42.0% Margin of Safety
Price is 42.0% below estimated fair value
Current Price: $58.22
Fair Value: $100.40
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AMD

What growth rate is the market pricing in at $537?

+34.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +32.6%

The market implies +34.4% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +32.6%, reflecting heavy growth investment.

AOS

What growth rate is the market pricing in at $58?

+3.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +5.6%

The market implies +3.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +5.6%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

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AMD
41/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with reinvestment efficiency as the key competitive advantage. Improving roic consistency would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
AOS
93/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Margin Stability is the standout factor.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.

Forensic Accounting

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AMD
-2.84
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
AOS
-2.50
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

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AMD
Insiders 0.4%Institutions 72.2%Retail & Other 27.4%
No. of Institutional Holders4,190
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
AOS
Insiders 0.5%Institutions 109.9%
No. of Institutional Holders905
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

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AMD
0
Buys (3M)
0
Buys (12M)
GUIDO PHILIP
Officer
$999,328
@ $113.56 · 2025-05-20
GUIDO PHILIP
Officer
$499,616
@ $107.56 · 2025-02-07
Open market purchases · includes direct & indirect ownership · excludes option exercises
AOS
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

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AMD
8
Sells (3M)
31
Sells (12M)
Total value (12M): $308.72M
SU LISA T
Chief Executive Officer
$57.59M
@ $460.69 · 2026-06-10
DENZEL NORA M
Director
$5.45M
@ $522.00 · 2026-06-02
NORROD FORREST EUGENE
Officer
$8.41M
@ $431.40 · 2026-05-20
SU LISA T
Chief Executive Officer
$55.69M
@ $445.51 · 2026-05-13
GRASBY PAUL DARREN
Officer
$10.83M
@ $444.39 · 2026-05-08
PAPERMASTER MARK D
Chief Technology Officer
$10.96M
@ $350.00 · 2026-04-24
PAPERMASTER MARK D
Chief Technology Officer
$8.99M
@ $271.47 · 2026-04-16
PAPERMASTER MARK D
Chief Technology Officer
$740,925
@ $225.00 · 2026-04-06
SU LISA T
Chief Executive Officer
$16.90M
@ $198.77 · 2026-03-12
GRASBY PAUL DARREN
Officer
$1.54M
@ $204.87 · 2026-03-11
PAPERMASTER MARK D
Chief Technology Officer
$606,800
@ $200.00 · 2026-03-04
HAHN AVA M
General Counsel
$56,814
@ $198.65 · 2026-02-18
HU JEAN X
Chief Financial Officer
$4.02M
@ $201.62 · 2026-02-17
SU LISA T
Chief Executive Officer
$26.79M
@ $214.36 · 2026-02-11
NORROD FORREST EUGENE
Officer
$4.22M
@ $216.81 · 2026-02-11
HAHN AVA M
General Counsel
$572,454
@ $234.42 · 2026-01-16
SU LISA T
Chief Executive Officer
$26.89M
@ $215.14 · 2025-12-11
GRASBY PAUL DARREN
Officer
$2.19M
@ $218.77 · 2025-12-04
HU JEAN X
Chief Financial Officer
$3.05M
@ $209.96 · 2025-11-24
NORROD FORREST EUGENE
Officer
$4.46M
@ $229.37 · 2025-11-19
PAPERMASTER MARK D
Chief Technology Officer
$4.11M
@ $240.12 · 2025-11-14
PAPERMASTER MARK D
Chief Technology Officer
$3.77M
@ $224.28 · 2025-10-15
HAHN AVA M
General Counsel
$648,197
@ $226.01 · 2025-10-06
NORROD FORREST EUGENE
Officer
$371,272
@ $165.01 · 2025-09-24
PAPERMASTER MARK D
Chief Technology Officer
$2.67M
@ $159.20 · 2025-09-15
NORROD FORREST EUGENE
Officer
$2.77M
@ $160.93 · 2025-09-10
HAHN AVA M
General Counsel
$22,608
@ $158.10 · 2025-09-02
SU LISA T
Chief Executive Officer
$36.89M
@ $163.97 · 2025-08-21
PAPERMASTER MARK D
Chief Technology Officer
$2.99M
@ $178.11 · 2025-08-15
GRASBY PAUL DARREN
Officer
$1.73M
@ $173.21 · 2025-08-12
PAPERMASTER MARK D
Chief Technology Officer
$2.79M
@ $155.03 · 2025-07-15
PAPERMASTER MARK D
Chief Technology Officer
$2.03M
@ $116.00 · 2025-06-13
PAPERMASTER MARK D
Chief Technology Officer
$2.04M
@ $116.59 · 2025-05-15
PAPERMASTER MARK D
Chief Technology Officer
$1.67M
@ $95.47 · 2025-04-15
PAPERMASTER MARK D
Chief Technology Officer
$1.75M
@ $100.27 · 2025-03-14
PAPERMASTER MARK D
Chief Technology Officer
$1.99M
@ $113.57 · 2025-02-14
SU LISA T
Chief Executive Officer
$10.91M
@ $142.66 · 2024-12-04
SU LISA T
Chief Executive Officer
$10.91M
@ $142.66 · 2024-12-04
SU LISA T
Chief Executive Officer
$11.51M
@ $143.87 · 2024-11-06
NORROD FORREST EUGENE
Officer
$5.74M
@ $141.67 · 2024-11-05
SU LISA T
Chief Executive Officer
$11.58M
@ $144.72 · 2024-09-11
SU LISA T
Chief Executive Officer
$12.60M
@ $157.44 · 2024-08-20
PAPERMASTER MARK D
Chief Technology Officer
$3.09M
@ $184.50 · 2024-07-15
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
AOS
0
Sells (3M)
5
Sells (12M)
Total value (12M): $3.11M
SCHUH DARRELL W
Officer
$82,126
@ $74.39 · 2026-03-04
SCHUH DARRELL W
Officer
$28,439
@ $79.88 · 2026-02-13
STERN JAMES F
General Counsel
$1.24M
@ $71.24 · 2025-08-07
WHEELER KEVIN J.
Officer and Director
$1.58M
@ $71.26 · 2025-07-30
SMITH MARK D
Director
$171,264
@ $71.36 · 2025-07-29
KARGE DOUGLAS SAMUEL
Officer
$27,507
@ $65.65 · 2025-02-07
HEIDEMAN ROBERT JAMES
Chief Technology Officer
$67,357
@ $65.65 · 2025-02-07
CARVER SAMUEL M
Officer
$1.19M
@ $81.00 · 2024-08-07
BROWN RONALD DALE
Director
$311,071
@ $85.67 · 2024-07-30
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

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AMD
FearGreed
😏Greed(61/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
AOS
FearGreed
😨Fear(39/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

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AMD
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Greed (61)
AOS
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Fear (39)
View AMD Full AnalysisView AOS Full Analysis

Frequently Asked Questions: AMD vs AOS

Is Advanced Micro Devices, Inc. or A. O. Smith Corporation more undervalued in 2026?

Based on our discounted cash flow model, AOS trades at a 42.0% margin of safety (intrinsic value $100 vs. price $58), compared to AMD's -144.8% margin of safety (intrinsic $219 vs. $537).

Which stock has a wider economic moat, Advanced Micro Devices, Inc. or A. O. Smith Corporation?

AOS scores 93/100 (Wide moat), while AMD scores 41/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Which company has better free cash flow, Advanced Micro Devices, Inc. or A. O. Smith Corporation?

A. O. Smith Corporation (AOS) generates a 6.2% free cash flow yield, compared to Advanced Micro Devices, Inc.'s 0.8%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Advanced Micro Devices, Inc. or A. O. Smith Corporation?

AOS earns 20.3% ROIC versus AMD's 6.2%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.