WallStSmart

Rambus Inc (RMBS)vsSonos Inc (SONO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Sonos Inc generates 97% more annual revenue ($1.49B vs $756.33M). RMBS leads profitability with a 31.7% profit margin vs 3.8%. SONO trades at a lower P/E of 32.3x. RMBS earns a higher WallStSmart Score of 61/100 (C+).

RMBS

Buy

61

out of 100

Grade: C+

Growth: 8.0Profit: 9.0Value: 2.7Quality: 9.0
Piotroski: 4/9Altman Z: 6.78

SONO

Hold

48

out of 100

Grade: D+

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

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RMBSSignificantly Overvalued (-82.3%)

Margin of Safety

-82.3%

Fair Value

$54.53

Current Price

$86.97

$32.44 premium

UndervaluedFair: $54.53Overvalued
SONOSignificantly Overvalued (-31.9%)

Margin of Safety

-31.9%

Fair Value

$12.51

Current Price

$15.12

$2.61 premium

UndervaluedFair: $12.51Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

RMBS5 strengths · Avg: 9.6/10
Profit MarginProfitability
31.7%10/10

Keeps 32 of every $100 in revenue as profit

Operating MarginProfitability
36.7%10/10

Strong operational efficiency at 36.7%

Debt/EquityHealth
0.0110/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
6.7810/10

Safe zone — low bankruptcy risk

Revenue GrowthGrowth
20.4%8/10

Revenue surging 20.4% year-over-year

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

RMBS2 concerns · Avg: 3.0/10
P/E RatioValuation
39.9x4/10

Premium valuation, high expectations priced in

PEG RatioValuation
3.802/10

Expensive relative to growth rate

SONO4 concerns · Avg: 3.3/10
P/E RatioValuation
32.3x4/10

Premium valuation, high expectations priced in

Market CapQuality
$1.72B3/10

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 : RMBS

The strongest argument for RMBS centers on Profit Margin, Operating Margin, Debt/Equity. Profitability is solid with margins at 31.7% and operating margin at 36.7%. Revenue growth of 20.4% demonstrates continued momentum.

Bull Case : SONO

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

Bear Case : RMBS

The primary concerns for RMBS are P/E Ratio, PEG Ratio.

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

RMBS profiles as a growth stock while SONO is a value play — different risk/reward profiles.

SONO carries more volatility with a beta of 1.94 — expect wider price swings.

RMBS is growing revenue faster at 20.4% — sustainability is the question.

RMBS generates stronger free cash flow (52M), providing more financial flexibility.

Bottom Line

RMBS scores higher overall (61/100 vs 48/100), backed by strong 31.7% margins and 20.4% revenue growth. 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.

Rambus Inc

TECHNOLOGY · SEMICONDUCTORS · USA

Rambus Inc. offers semiconductor products in the United States, Taiwan, South Korea, Japan, Europe, Canada, Singapore, Asia, and internationally. The company is headquartered in San Jose, 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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