Comprehensive Stock Comparison
Compare Blaize Holdings, Inc. (BZAI) vs Ambarella, Inc. (AMBA) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | AMBA | 25.8% revenue growth vs BZAI's -59.7% |
| Quality / Margins | AMBA | -21.3% net margin vs BZAI's -11.5% |
| Stability / Safety | BZAI | Beta 1.19 vs AMBA's 2.14 |
| Dividends | Tie | Neither pays a meaningful dividend |
| Momentum (1Y) | AMBA | -1.8% vs BZAI's -61.4% |
| Efficiency (ROA) | AMBA | -10.6% ROA vs BZAI's -251.6%, ROIC -22.5% vs -91.5% |
Who Each Stock Is For
Income & stability
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
Blaize Holdings is an AI edge computing company that provides specialized hardware accelerators and development tools for running artificial intelligence applications at the network edge. It generates revenue primarily through sales of its AI accelerator products—including embedded systems, PCIe cards, and small form factor modules—alongside its AI Studio software platform and marketplace. The company's competitive advantage lies in its proprietary graph streaming processor architecture optimized for edge AI workloads, which offers power efficiency and real-time processing capabilities that differentiate it from general-purpose GPU solutions.
Ambarella designs specialized computer vision system-on-chips (SoCs) that process high-definition video and run AI algorithms for cameras in automotive, security, and robotics applications. It generates revenue primarily from semiconductor sales—with automotive (around 60%) and security/industrial (around 40%) as its main segments—through direct sales and distribution channels. The company's moat lies in its proprietary AI processor architecture and deep expertise in video compression and computer vision algorithms, which are difficult to replicate.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
AMBA leads in 4 of 6 categories — strongest in Financial Metrics and Valuation Metrics. 1 category is tied.
Financial Metrics (TTM)
AMBA is the larger business by revenue, generating $374M annually — 28.1x BZAI's $13M. Profitability is closely matched — net margins range from -21.3% (AMBA) to -11.5% (BZAI). On growth, BZAI holds the edge at +14.2% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| RevenueTrailing 12 months | $13M | $374M |
| EBITDAEarnings before interest/tax | -$33M | -$72M |
| Net IncomeAfter-tax profit | -$153M | -$80M |
| Free Cash FlowCash after capex | -$58M | $76M |
| Gross MarginGross profit ÷ Revenue | +12.9% | +59.8% |
| Operating MarginEBIT ÷ Revenue | -4.3% | -23.6% |
| Net MarginNet income ÷ Revenue | -11.5% | -21.3% |
| FCF MarginFCF ÷ Revenue | -4.4% | +20.3% |
| Rev. Growth (YoY)Latest quarter vs prior year | +14.2% | +31.2% |
| EPS Growth (YoY)Latest quarter vs prior year | 0.0% | +39.7% |
Valuation Metrics
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| Market CapShares × price | $144M | $2.6B |
| Enterprise ValueMkt cap + debt − cash | $146M | $2.5B |
| Trailing P/EPrice ÷ TTM EPS | -29.14x | -21.25x |
| Forward P/EPrice ÷ next-FY EPS est. | — | 98.34x |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | — | — |
| Price / SalesMarket cap ÷ Revenue | 92.67x | 9.12x |
| Price / BookPrice ÷ Book value/share | 4.95x | 4.44x |
| Price / FCFMarket cap ÷ FCF | — | 110.74x |
Profitability & Efficiency
AMBA delivers a -13.5% return on equity — every $100 of shareholder capital generates $-13 in annual profit, vs $-117 for BZAI. AMBA carries lower financial leverage with a 0.01x debt-to-equity ratio, signaling a more conservative balance sheet compared to BZAI's 0.06x. On the Piotroski fundamental quality scale (0–9), AMBA scores 6/9 vs BZAI's 4/9, reflecting solid financial health.
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| ROE (TTM)Return on equity | -117.3% | -13.5% |
| ROA (TTM)Return on assets | -2.5% | -10.6% |
| ROICReturn on invested capital | -91.5% | -22.5% |
| ROCEReturn on capital employed | -126.2% | -22.2% |
| Piotroski ScoreFundamental quality 0–9 | 4 | 6 |
| Debt / EquityFinancial leverage | 0.06x | 0.01x |
| Net DebtTotal debt minus cash | $1M | -$139M |
| Cash & Equiv.Liquid assets | $1,506 | $145M |
| Total DebtShort + long-term debt | $2M | $5M |
| Interest CoverageEBIT ÷ Interest expense | — | — |
Total Returns (with DRIP)
A $10,000 investment in AMBA five years ago would be worth $5,079 today (with dividends reinvested), compared to $787 for BZAI. Over the past 12 months, AMBA leads with a -1.8% total return vs BZAI's -61.4%. The 3-year compound annual growth rate (CAGR) favors AMBA at -13.8% vs BZAI's -57.2% — a key indicator of consistent wealth creation.
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| YTD ReturnYear-to-date | -43.0% | -19.7% |
| 1-Year ReturnPast 12 months | -61.4% | -1.8% |
| 3-Year ReturnCumulative with dividends | -92.1% | -36.0% |
| 5-Year ReturnCumulative with dividends | -92.1% | -49.2% |
| 10-Year ReturnCumulative with dividends | -92.1% | +30.0% |
| CAGR (3Y)Annualised 3-year return | -57.2% | -13.8% |
Risk & Volatility
BZAI is the less volatile stock with a 1.19 beta — it tends to amplify market swings less than AMBA's 2.14 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. AMBA currently trades 62.4% from its 52-week high vs BZAI's 17.5% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 1.19x | 2.14x |
| 52-Week HighHighest price in past year | $6.76 | $96.69 |
| 52-Week LowLowest price in past year | $1.08 | $38.86 |
| % of 52W HighCurrent price vs 52-week peak | +17.5% | +62.4% |
| RSI (14)Momentum oscillator 0–100 | 38.7 | 59.6 |
| Avg Volume (50D)Average daily shares traded | 2.4M | 726K |
Analyst Outlook
Wall Street rates BZAI as "Buy" and AMBA as "Buy".
| Metric | BZAIBlaize Holdings, … | AMBAAmbarella, Inc. |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Buy |
| Price TargetConsensus 12-month target | — | $97.50 |
| # AnalystsCovering analysts | 1 | 36 |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | — | — |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | 0.0% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Total Return — 5 Years (Rebased to 100)
| Stock | Dec 24 | Feb 26 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | 100 | 8.13 | -91.9% |
| Ambarella, Inc. (AMBA) | 100 | 84.86 | -15.1% |
Ambarella, Inc. (AMBA) returned -49% over 5 years vs Blaize Holdings, In… (BZAI)'s -92%.
Chart 2Revenue Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | $0.00 | $2M | — |
| Ambarella, Inc. (AMBA) | $316M | $285M | -10.0% |
Ambarella, Inc.'s revenue grew from $316M (2016) to $285M (2025) — a -1.2% CAGR.
Chart 3Net Margin Trend — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | -27.2% | -39.4% | -44.6% |
| Ambarella, Inc. (AMBA) | 24.2% | -41.1% | -270.0% |
Ambarella, Inc.'s net margin went from 24% (2016) to -41% (2025).
Chart 4EPS Growth — 10 Years
| Stock | 2016 | 2025 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | -0 | -0.04 | -20150.0% |
| Ambarella, Inc. (AMBA) | 2.27 | -2.84 | -225.1% |
Ambarella, Inc.'s EPS grew from $2.27 (2016) to $-2.84 (2025) — a NaN% CAGR.
Chart 5Free Cash Flow — 5 Years
Blaize Holdings, Inc. generated $-54M FCF in 2024 (-54387% vs 2021). Ambarella, Inc. generated $23M FCF in 2025 (-9% vs 2021).
BZAI vs AMBA: Frequently Asked Questions
7 questions · data-driven answers · updated daily
01Is BZAI or AMBA a better buy right now?
Analysts rate Blaize Holdings, Inc. (BZAI) a "Buy" — based on 1 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.
02Which is the better long-term investment — BZAI or AMBA?
Over the past 5 years, Ambarella, Inc. (AMBA) delivered a total return of -49.2%, compared to -92.1% for Blaize Holdings, Inc. (BZAI). A $10,000 investment in AMBA five years ago would be worth approximately $5K today (assuming dividends reinvested). Over 10 years, the gap is even starker: AMBA returned +30.0% versus BZAI's -92.1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — BZAI or AMBA?
By beta (market sensitivity over 5 years), Blaize Holdings, Inc. (BZAI) is the lower-risk stock at 1.19β versus Ambarella, Inc.'s 2.14β — meaning AMBA is approximately 80% more volatile than BZAI relative to the S&P 500. On balance sheet safety, Ambarella, Inc. (AMBA) carries a lower debt/equity ratio of 1% versus 6% for Blaize Holdings, Inc. — giving it more financial flexibility in a downturn.
04Which has better profit margins — BZAI or AMBA?
Ambarella, Inc. (AMBA) is the more profitable company, earning -41.1% net margin versus -39.4% for Blaize Holdings, Inc. — meaning it keeps -41.1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMBA leads at -44.4% versus -30.7% for BZAI. At the gross margin level — before operating expenses — BZAI leads at 62.7%, 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.
05Which pays a better dividend — BZAI or AMBA?
None of the stocks in this comparison currently pay a material dividend. All are effectively zero-yield and should be held for capital appreciation rather than income.
06Is BZAI or AMBA better for a retirement portfolio?
For long-horizon retirement investors, Blaize Holdings, Inc. (BZAI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1.19)). Ambarella, Inc. (AMBA) carries a higher beta of 2.14 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BZAI: -92.1%, AMBA: +30.0%), 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.
07What are the main differences between BZAI and AMBA?
Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. 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.
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