WallStSmart

Ambarella Inc (AMBA)vsSonos Inc (SONO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Sonos Inc generates 257% more annual revenue ($1.49B vs $417.80M). SONO leads profitability with a 3.8% profit margin vs -13.5%. SONO earns a higher WallStSmart Score of 48/100 (D+).

AMBA

Avoid

33

out of 100

Grade: F

Growth: 4.7Profit: 2.0Value: 5.0Quality: 7.0
Piotroski: 3/9Altman Z: 1.71

SONO

Hold

48

out of 100

Grade: D+

Growth: 6.0Profit: 4.5Value: 3.7Quality: 7.0
Piotroski: 3/9Altman Z: 2.04
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Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMBAUndervalued (+17.0%)

Margin of Safety

+17.0%

Fair Value

$80.56

Current Price

$67.06

$13.50 discount

UndervaluedFair: $80.56Overvalued
SONOSignificantly Overvalued (-32.1%)

Margin of Safety

-32.1%

Fair Value

$12.49

Current Price

$16.85

$4.36 premium

UndervaluedFair: $12.49Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMBA1 strengths · Avg: 10.0/10
Debt/EquityHealth
0.0210/10

Conservative balance sheet, low leverage

SONO2 strengths · Avg: 9.5/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Debt/EquityHealth
0.129/10

Conservative balance sheet, low leverage

Areas to Watch

AMBA4 concerns · Avg: 3.3/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Altman Z-ScoreHealth
1.714/10

Distress zone — elevated risk

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
4.972/10

Expensive relative to growth rate

SONO4 concerns · Avg: 3.3/10
P/E RatioValuation
37.4x4/10

Premium valuation, high expectations priced in

Market CapQuality
$1.99B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
3.8%3/10

3.8% margin — thin

Comparative Analysis Report

WallStSmart Research

Bull Case : AMBA

The strongest argument for AMBA centers on Debt/Equity. Revenue growth of 13.2% demonstrates continued momentum.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth, Debt/Equity.

Bear Case : AMBA

The primary concerns for AMBA are EPS Growth, Altman Z-Score, Piotroski F-Score.

Bear Case : SONO

The primary concerns for SONO are P/E Ratio, Market Cap, Return on Equity. Thin 3.8% margins leave little buffer for downturns.

Key Dynamics to Monitor

AMBA profiles as a turnaround stock while SONO is a value play — different risk/reward profiles.

AMBA carries more volatility with a beta of 2.09 — expect wider price swings.

AMBA is growing revenue faster at 13.2% — sustainability is the question.

SONO generates stronger free cash flow (40M), providing more financial flexibility.

Bottom Line

SONO scores higher overall (48/100 vs 33/100). AMBA offers better value entry with a 17.0% margin of safety. Both earn "Hold" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Ambarella Inc

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

Ambarella, Inc. develops semiconductor video solutions that enable high definition (HD) and ultra HD compression, image processing, and deep neural network processing globally. The company is headquartered in Santa Clara, California.

Sonos Inc

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.

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