Rambus Inc (RMBS)vsSonos Inc (SONO)
RMBS
Rambus Inc
$112.16
+0.80%
TECHNOLOGY · Cap: $12.13B
SONO
Sonos Inc
$14.67
+1.31%
TECHNOLOGY · Cap: $1.77B
Smart Verdict
WallStSmart Research — data-driven comparison
Sonos Inc generates 99% more annual revenue ($1.44B vs $721.15M). RMBS leads profitability with a 31.9% profit margin vs -1.2%. RMBS earns a higher WallStSmart Score of 52/100 (C-).
RMBS
Buy52
out of 100
Grade: C-
SONO
Hold42
out of 100
Grade: D
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-84.5%
Fair Value
$53.88
Current Price
$112.16
$58.28 premium
Margin of Safety
+42.1%
Fair Value
$28.49
Current Price
$14.67
$13.82 discount
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Keeps 32 of every $100 in revenue as profit
Strong operational efficiency at 34.3%
Earnings expanding 87.5% YoY
Areas to Watch
Trading at 8.7x book value
Expensive relative to growth rate
Premium valuation, high expectations priced in
Earnings declined 1.8%
Smaller company, higher risk/reward
ROE of -3.9% — below average capital efficiency
Revenue declined 0.9%
Currently unprofitable
Comparative Analysis Report
WallStSmart ResearchBull Case : RMBS
The strongest argument for RMBS centers on Profit Margin, Operating Margin. Profitability is solid with margins at 31.9% and operating margin at 34.3%.
Bull Case : SONO
The strongest argument for SONO centers on EPS Growth.
Bear Case : RMBS
The primary concerns for RMBS are Price/Book, PEG Ratio, P/E Ratio. A P/E of 53.7x leaves little room for execution misses.
Bear Case : SONO
The primary concerns for SONO are Market Cap, Return on Equity, Revenue Growth.
Key Dynamics to Monitor
RMBS profiles as a mature stock while SONO is a turnaround play — different risk/reward profiles.
SONO carries more volatility with a beta of 2.00 — expect wider price swings.
RMBS is growing revenue faster at 8.1% — sustainability is the question.
SONO generates stronger free cash flow (157M), providing more financial flexibility.
Bottom Line
RMBS scores higher overall (52/100 vs 42/100), backed by strong 31.9% margins. SONO offers better value entry with a 42.1% margin of safety. 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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