Compare Stocks

5 / 10
Try these comparisons:

Stock Comparison

RMBS vs CEVA vs IDCC vs SLAB vs FORM

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
RMBS
Rambus Inc.

Semiconductors

TechnologyNASDAQ • US
Market Cap$13.69B
5Y Perf.+714.7%
CEVA
CEVA, Inc.

Semiconductors

TechnologyNASDAQ • US
Market Cap$810M
5Y Perf.-2.2%
IDCC
InterDigital, Inc.

Software - Application

TechnologyNASDAQ • US
Market Cap$7.18B
5Y Perf.+407.1%
SLAB
Silicon Laboratories Inc.

Semiconductors

TechnologyNASDAQ • US
Market Cap$7.17B
5Y Perf.+132.4%
FORM
FormFactor, Inc.

Semiconductors

TechnologyNASDAQ • US
Market Cap$11.28B
5Y Perf.+474.8%

RMBS vs CEVA vs IDCC vs SLAB vs FORM — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
RMBS logoRMBS
CEVA logoCEVA
IDCC logoIDCC
SLAB logoSLAB
FORM logoFORM
IndustrySemiconductorsSemiconductorsSoftware - ApplicationSemiconductorsSemiconductors
Market Cap$13.69B$810M$7.18B$7.17B$11.28B
Revenue (TTM)$721M$108M$829M$785M$840M
Net Income (TTM)$230M$-11M$366M$-65M$68M
Gross Margin77.0%87.2%83.4%58.2%42.1%
Operating Margin35.9%-10.1%49.6%-9.0%12.7%
Forward P/E42.9x67.3x38.8x80.4x66.5x
Total Debt$44M$6M$506M$0.00$45M
Cash & Equiv.$183M$18M$739M$364M$103M

RMBS vs CEVA vs IDCC vs SLAB vs FORMLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

RMBS
CEVA
IDCC
SLAB
FORM
StockMay 20May 26Return
Rambus Inc. (RMBS)100814.7+714.7%
CEVA, Inc. (CEVA)10097.8-2.2%
InterDigital, Inc. (IDCC)100507.1+407.1%
Silicon Laboratorie… (SLAB)100232.4+132.4%
FormFactor, Inc. (FORM)100574.8+474.8%

Price return only. Dividends and distributions are not included.

Quick Verdict: RMBS vs CEVA vs IDCC vs SLAB vs FORM

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: IDCC leads in 5 of 7 categories (5-stock set), making it the strongest pick for valuation and capital efficiency and profitability and margin quality. Silicon Laboratories Inc. is the stronger pick specifically for growth and revenue expansion. FORM also leads in specific categories worth noting. As sector peers, any of these can serve as alternatives in the same allocation.
RMBS
Rambus Inc.
The Long-Run Compounder

RMBS is the clearest fit if your priority is long-term compounding.

  • 10.1% 10Y total return vs FORM's 19.5%
Best for: long-term compounding
CEVA
CEVA, Inc.
The Defensive Pick

CEVA is the clearest fit if your priority is sleep-well-at-night.

  • Lower volatility, beta 2.76, Low D/E 2.1%, current ratio 7.09x
Best for: sleep-well-at-night
IDCC
InterDigital, Inc.
The Income Pick

IDCC carries the broadest edge in this set and is the clearest fit for income & stability.

  • Dividend streak 4 yrs, beta 1.12, yield 0.6%
  • Lower P/E (38.8x vs 66.5x)
  • 44.2% margin vs CEVA's -10.5%
  • Beta 1.12 vs RMBS's 3.00
Best for: income & stability
SLAB
Silicon Laboratories Inc.
The Growth Play

SLAB is the #2 pick in this set and the best alternative if growth exposure and defensive is your priority.

  • Rev growth 34.3%, EPS growth 66.6%, 3Y rev CAGR -8.5%
  • Beta 1.25, current ratio 4.69x
  • 34.3% revenue growth vs IDCC's -4.0%
Best for: growth exposure and defensive
FORM
FormFactor, Inc.
The Momentum Pick

FORM ranks third and is worth considering specifically for momentum.

  • +387.8% vs IDCC's +32.4%
Best for: momentum
See the full category breakdown
CategoryWinnerWhy
GrowthSLAB logoSLAB34.3% revenue growth vs IDCC's -4.0%
ValueIDCC logoIDCCLower P/E (38.8x vs 66.5x)
Quality / MarginsIDCC logoIDCC44.2% margin vs CEVA's -10.5%
Stability / SafetyIDCC logoIDCCBeta 1.12 vs RMBS's 3.00
DividendsIDCC logoIDCC0.6% yield; 4-year raise streak; the other 4 pay no meaningful dividend
Momentum (1Y)FORM logoFORM+387.8% vs IDCC's +32.4%
Efficiency (ROA)IDCC logoIDCC17.7% ROA vs SLAB's -5.1%, ROIC 40.9% vs -6.9%

RMBS vs CEVA vs IDCC vs SLAB vs FORM — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

RMBSRambus Inc.
FY 2025
Product Revenue
49.1%$348M
Royalty
39.5%$279M
Contract and other Revenue
11.4%$80M
CEVACEVA, Inc.
FY 2024
License
56.1%$60M
Royalty
43.9%$47M
IDCCInterDigital, Inc.
FY 2025
Revenues
99.9%$834M
Revenue - Other
0.1%$529,000
SLABSilicon Laboratories Inc.
FY 2024
Industrial & Commercial
100.0%$339M
FORMFormFactor, Inc.
FY 2025
Foundry & Logic Product Group
47.1%$370M
DRAM Product Group
31.5%$247M
Systems Product Group
18.7%$147M
Flash Product Group
2.6%$21M

RMBS vs CEVA vs IDCC vs SLAB vs FORM — Financial Metrics

Side-by-side numbers across 5 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLIDCCLAGGINGSLAB

Income & Cash Flow (Last 12 Months)

IDCC leads this category, winning 3 of 6 comparable metrics.

FORM is the larger business by revenue, generating $840M annually — 7.8x CEVA's $108M. IDCC is the more profitable business, keeping 44.2% of every revenue dollar as net income compared to CEVA's -10.5%. On growth, FORM holds the edge at +32.0% YoY revenue growth, suggesting stronger near-term business momentum.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
RevenueTrailing 12 months$721M$108M$829M$785M$840M
EBITDAEarnings before interest/tax$288M-$7M$489M-$32M$152M
Net IncomeAfter-tax profit$230M-$11M$366M-$65M$68M
Free Cash FlowCash after capex$335M-$6M$580M$66M-$5M
Gross MarginGross profit ÷ Revenue+77.0%+87.2%+83.4%+58.2%+42.1%
Operating MarginEBIT ÷ Revenue+35.9%-10.1%+49.6%-9.0%+12.7%
Net MarginNet income ÷ Revenue+31.9%-10.5%+44.2%-8.3%+8.1%
FCF MarginFCF ÷ Revenue+46.5%-6.0%+70.0%+8.4%-0.6%
Rev. Growth (YoY)Latest quarter vs prior year+8.1%+4.3%-2.4%+25.2%+32.0%
EPS Growth (YoY)Latest quarter vs prior year-1.8%-2.0%-38.0%+88.8%+2.2%
IDCC leads this category, winning 3 of 6 comparable metrics.

Valuation Metrics

IDCC leads this category, winning 3 of 6 comparable metrics.

At 23.6x trailing earnings, IDCC trades at a 89% valuation discount to FORM's 209.7x P/E. On an enterprise value basis, IDCC's 12.9x EV/EBITDA is more attractive than FORM's 100.9x.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
Market CapShares × price$13.7B$810M$7.2B$7.2B$11.3B
Enterprise ValueMkt cap + debt − cash$13.6B$797M$6.9B$6.8B$11.2B
Trailing P/EPrice ÷ TTM EPS60.00x-91.14x23.62x-109.92x209.68x
Forward P/EPrice ÷ next-FY EPS est.42.88x67.35x38.81x80.41x66.48x
PEG RatioP/E ÷ EPS growth rate0.45x
EV / EBITDAEnterprise value multiple46.57x12.91x100.94x
Price / SalesMarket cap ÷ Revenue19.35x7.57x8.61x9.14x14.37x
Price / BookPrice ÷ Book value/share10.18x2.99x8.73x6.51x10.94x
Price / FCFMarket cap ÷ FCF41.10x1569.47x13.58x109.03x960.69x
IDCC leads this category, winning 3 of 6 comparable metrics.

Profitability & Efficiency

IDCC leads this category, winning 5 of 9 comparable metrics.

IDCC delivers a 33.4% return on equity — every $100 of shareholder capital generates $33 in annual profit, vs $-6 for SLAB. CEVA carries lower financial leverage with a 0.02x debt-to-equity ratio, signaling a more conservative balance sheet compared to IDCC's 0.46x. On the Piotroski fundamental quality scale (0–9), RMBS scores 6/9 vs FORM's 4/9, reflecting solid financial health.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
ROE (TTM)Return on equity+17.4%-4.2%+33.4%-5.9%+6.7%
ROA (TTM)Return on assets+15.5%-3.7%+17.7%-5.1%+5.6%
ROICReturn on invested capital+17.1%-2.3%+40.9%-6.9%+5.4%
ROCEReturn on capital employed+19.5%-2.7%+38.1%-6.3%+6.1%
Piotroski ScoreFundamental quality 0–966654
Debt / EquityFinancial leverage0.03x0.02x0.46x0.04x
Net DebtTotal debt minus cash-$139M-$13M-$233M-$364M-$58M
Cash & Equiv.Liquid assets$183M$18M$739M$364M$103M
Total DebtShort + long-term debt$44M$6M$506M$0$45M
Interest CoverageEBIT ÷ Interest expense217.32x11.48x-58.63x252.69x
IDCC leads this category, winning 5 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

FORM leads this category, winning 5 of 6 comparable metrics.

A $10,000 investment in RMBS five years ago would be worth $65,393 today (with dividends reinvested), compared to $6,465 for CEVA. Over the past 12 months, FORM leads with a +387.8% total return vs IDCC's +32.4%. The 3-year compound annual growth rate (CAGR) favors FORM at 72.9% vs CEVA's 9.6% — a key indicator of consistent wealth creation.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
YTD ReturnYear-to-date+27.5%+50.4%-14.1%+65.0%+144.4%
1-Year ReturnPast 12 months+148.9%+59.5%+32.4%+100.3%+387.8%
3-Year ReturnCumulative with dividends+161.1%+31.6%+251.7%+59.0%+417.3%
5-Year ReturnCumulative with dividends+553.9%-35.4%+303.1%+61.0%+273.9%
10-Year ReturnCumulative with dividends+1011.5%+27.2%+436.7%+375.0%+1952.2%
CAGR (3Y)Annualised 3-year return+37.7%+9.6%+52.1%+16.7%+72.9%
FORM leads this category, winning 5 of 6 comparable metrics.

Risk & Volatility

Evenly matched — IDCC and SLAB each lead in 1 of 2 comparable metrics.

IDCC is the less volatile stock with a 1.12 beta — it tends to amplify market swings less than RMBS's 3.00 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. SLAB currently trades 99.5% from its 52-week high vs IDCC's 67.6% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
Beta (5Y)Sensitivity to S&P 5003.00x2.76x1.12x1.25x2.02x
52-Week HighHighest price in past year$161.80$34.87$412.60$218.66$159.09
52-Week LowLowest price in past year$49.61$17.02$205.78$106.01$26.08
% of 52W HighCurrent price vs 52-week peak+78.2%+96.7%+67.6%+99.5%+90.9%
RSI (14)Momentum oscillator 0–10058.378.930.866.166.5
Avg Volume (50D)Average daily shares traded2.2M498K393K465K1.6M
Evenly matched — IDCC and SLAB each lead in 1 of 2 comparable metrics.

Analyst Outlook

Insufficient data to determine a leader in this category.

Analyst consensus: RMBS as "Buy", CEVA as "Buy", IDCC as "Buy", SLAB as "Buy", FORM as "Hold". Consensus price targets imply 52.5% upside for IDCC (target: $425) vs -14.7% for FORM (target: $123). IDCC is the only dividend payer here at 0.63% yield — a key consideration for income-focused portfolios.

MetricRMBS logoRMBSRambus Inc.CEVA logoCEVACEVA, Inc.IDCC logoIDCCInterDigital, Inc.SLAB logoSLABSilicon Laborator…FORM logoFORMFormFactor, Inc.
Analyst RatingConsensus buy/hold/sellBuyBuyBuyBuyHold
Price TargetConsensus 12-month target$135.67$29.33$425.00$211.60$123.38
# AnalystsCovering analysts1423163719
Dividend YieldAnnual dividend ÷ price+0.6%
Dividend StreakConsecutive years of raises4
Dividend / ShareAnnual DPS$1.76
Buyback YieldShare repurchases ÷ mkt cap+0.1%+1.0%+1.4%0.0%+0.2%
Insufficient data to determine a leader in this category.
Key Takeaway

IDCC leads in 3 of 6 categories (Income & Cash Flow, Valuation Metrics). FORM leads in 1 (Total Returns). 1 tied.

Best OverallInterDigital, Inc. (IDCC)Leads 3 of 6 categories
Loading custom metrics...

RMBS vs CEVA vs IDCC vs SLAB vs FORM: Key Questions Answered

10 questions · data-driven answers · updated daily

01

Is RMBS or CEVA or IDCC or SLAB or FORM a better buy right now?

For growth investors, Silicon Laboratories Inc.

(SLAB) is the stronger pick with 34. 3% revenue growth year-over-year, versus -4. 0% for InterDigital, Inc. (IDCC). InterDigital, Inc. (IDCC) offers the better valuation at 23. 6x trailing P/E (38. 8x forward), making it the more compelling value choice. Analysts rate Rambus Inc. (RMBS) a "Buy" — based on 14 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which has the better valuation — RMBS or CEVA or IDCC or SLAB or FORM?

On trailing P/E, InterDigital, Inc.

(IDCC) is the cheapest at 23. 6x versus FormFactor, Inc. at 209. 7x. On forward P/E, InterDigital, Inc. is actually cheaper at 38. 8x.

03

Which is the better long-term investment — RMBS or CEVA or IDCC or SLAB or FORM?

Over the past 5 years, Rambus Inc.

(RMBS) delivered a total return of +553. 9%, compared to -35. 4% for CEVA, Inc. (CEVA). Over 10 years, the gap is even starker: FORM returned +1952% versus CEVA's +27. 2%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — RMBS or CEVA or IDCC or SLAB or FORM?

By beta (market sensitivity over 5 years), InterDigital, Inc.

(IDCC) is the lower-risk stock at 1. 12β versus Rambus Inc. 's 3. 00β — meaning RMBS is approximately 169% more volatile than IDCC relative to the S&P 500. On balance sheet safety, CEVA, Inc. (CEVA) carries a lower debt/equity ratio of 2% versus 46% for InterDigital, Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — RMBS or CEVA or IDCC or SLAB or FORM?

By revenue growth (latest reported year), Silicon Laboratories Inc.

(SLAB) is pulling ahead at 34. 3% versus -4. 0% for InterDigital, Inc. (IDCC). On earnings-per-share growth, the picture is similar: Silicon Laboratories Inc. grew EPS 66. 6% year-over-year, compared to -22. 5% for FormFactor, Inc.. Over a 3-year CAGR, IDCC leads at 22. 1% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

06

Which has better profit margins — RMBS or CEVA or IDCC or SLAB or FORM?

InterDigital, Inc.

(IDCC) is the more profitable company, earning 48. 8% net margin versus -8. 3% for Silicon Laboratories Inc. — meaning it keeps 48. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IDCC leads at 55. 3% versus -9. 0% for SLAB. At the gross margin level — before operating expenses — CEVA leads at 88. 1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

07

Is RMBS or CEVA or IDCC or SLAB or FORM more undervalued right now?

On forward earnings alone, InterDigital, Inc.

(IDCC) trades at 38. 8x forward P/E versus 80. 4x for Silicon Laboratories Inc. — 41. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for IDCC: 52. 5% to $425. 00.

08

Which pays a better dividend — RMBS or CEVA or IDCC or SLAB or FORM?

In this comparison, IDCC (0.

6% yield) pays a dividend. RMBS, CEVA, SLAB, FORM do not pay a meaningful dividend and should not be held primarily for income.

09

Is RMBS or CEVA or IDCC or SLAB or FORM better for a retirement portfolio?

For long-horizon retirement investors, InterDigital, Inc.

(IDCC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 12), 0. 6% yield, +436. 7% 10Y return). CEVA, Inc. (CEVA) carries a higher beta of 2. 76 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (IDCC: +436. 7%, CEVA: +27. 2%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

10

What are the main differences between RMBS and CEVA and IDCC and SLAB and FORM?

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: RMBS is a mid-cap high-growth stock; CEVA is a small-cap quality compounder stock; IDCC is a small-cap quality compounder stock; SLAB is a small-cap high-growth stock; FORM is a mid-cap quality compounder stock. IDCC pays a dividend while RMBS, CEVA, SLAB, FORM do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

Find Stocks Like These

Explore pre-built screens for each stock's profile, or build a custom screen to find stocks that outperform all of them.

Stocks Like

RMBS

Quality Mega-Cap Compounder

  • Sector: Technology
  • Market Cap > $100B
  • Revenue Growth > 5%
  • Net Margin > 19%
Run This Screen
Stocks Like

CEVA

Quality Business

  • Sector: Technology
  • Market Cap > $100B
  • Gross Margin > 52%
Run This Screen
Stocks Like

IDCC

Quality Mega-Cap Compounder

  • Sector: Technology
  • Market Cap > $100B
  • Net Margin > 26%
  • Dividend Yield > 0.5%
Run This Screen
Stocks Like

SLAB

High-Growth Disruptor

  • Sector: Technology
  • Market Cap > $100B
  • Revenue Growth > 12%
  • Gross Margin > 34%
Run This Screen
Stocks Like

FORM

High-Growth Disruptor

  • Sector: Technology
  • Market Cap > $100B
  • Revenue Growth > 15%
  • Net Margin > 5%
Run This Screen
Custom Screen

Beat Both

Find stocks that outperform RMBS and CEVA and IDCC and SLAB and FORM on the metrics below

Revenue Growth>
%
(RMBS: 8.1% · CEVA: 4.3%)

You Might Also Compare

Based on how these companies actually compete and overlap — not just which sector they're filed under.