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Side-by-side financial comparison of AMBARELLA INC (AMBA) and SILICOM LTD. (SILC). Click either name above to swap in a different company.

AMBARELLA INC is the larger business by last-quarter revenue ($108.5M vs $61.9M, roughly 1.8× SILICOM LTD.). AMBARELLA INC runs the higher net margin — -13.9% vs -18.5%, a 4.6% gap on every dollar of revenue. On growth, AMBARELLA INC posted the faster year-over-year revenue change (31.2% vs 6.6%). AMBARELLA INC produced more free cash flow last quarter ($31.4M vs $-3.3M).

Ambarella, Inc. is an American fabless semiconductor design company, focusing on low-power, high-definition (HD) and Ultra HD video compression, image processing, and computer vision processors. Ambarella's products are used in a wide variety of human and computer vision applications, including video security, advanced driver assistance systems (ADAS), electronic mirror, drive recorder, driver and in-cabin monitoring, autonomous driving, and robotics applications. Ambarella's system on chips ...

Silicom Ltd. is a publicly traded company, headquartered in Israel, that specializes in the design, manufacture and marketing of connectivity solutions for a range of servers and server-based systems. Its shares are listed on the NASDAQ Global Market and on the Tel Aviv Stock Exchange. Silicom is a member of the RAD Group family of companies.

AMBA vs SILC — Head-to-Head

Bigger by revenue
AMBA
AMBA
1.8× larger
AMBA
$108.5M
$61.9M
SILC
Growing faster (revenue YoY)
AMBA
AMBA
+24.7% gap
AMBA
31.2%
6.6%
SILC
Higher net margin
AMBA
AMBA
4.6% more per $
AMBA
-13.9%
-18.5%
SILC
More free cash flow
AMBA
AMBA
$34.8M more FCF
AMBA
$31.4M
$-3.3M
SILC

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMBA
AMBA
SILC
SILC
Revenue
$108.5M
$61.9M
Net Profit
$-15.1M
$-11.5M
Gross Margin
59.6%
30.6%
Operating Margin
-15.0%
-19.8%
Net Margin
-13.9%
-18.5%
Revenue YoY
31.2%
6.6%
Net Profit YoY
37.2%
16.3%
EPS (diluted)
$-0.35
$-2.01

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AMBA
AMBA
SILC
SILC
Q4 25
$108.5M
$61.9M
Q3 25
$95.5M
Q2 25
$85.9M
Q1 25
$84.0M
Q4 24
$82.7M
$58.1M
Q3 24
$63.7M
Q2 24
$54.5M
Q1 24
$51.6M
Net Profit
AMBA
AMBA
SILC
SILC
Q4 25
$-15.1M
$-11.5M
Q3 25
$-20.0M
Q2 25
$-24.3M
Q1 25
$-20.2M
Q4 24
$-24.1M
$-13.7M
Q3 24
$-34.9M
Q2 24
$-37.9M
Q1 24
$-60.6M
Gross Margin
AMBA
AMBA
SILC
SILC
Q4 25
59.6%
30.6%
Q3 25
58.9%
Q2 25
60.0%
Q1 25
60.0%
Q4 24
60.6%
28.6%
Q3 24
60.8%
Q2 24
60.9%
Q1 24
59.8%
Operating Margin
AMBA
AMBA
SILC
SILC
Q4 25
-15.0%
-19.8%
Q3 25
-23.0%
Q2 25
-30.1%
Q1 25
-30.2%
Q4 24
-30.9%
-22.8%
Q3 24
-56.9%
Q2 24
-72.4%
Q1 24
-80.8%
Net Margin
AMBA
AMBA
SILC
SILC
Q4 25
-13.9%
-18.5%
Q3 25
-20.9%
Q2 25
-28.3%
Q1 25
-24.1%
Q4 24
-29.1%
-23.6%
Q3 24
-54.8%
Q2 24
-69.6%
Q1 24
-117.4%
EPS (diluted)
AMBA
AMBA
SILC
SILC
Q4 25
$-0.35
$-2.01
Q3 25
$-0.47
Q2 25
$-0.58
Q1 25
$-0.48
Q4 24
$-0.58
$-2.28
Q3 24
$-0.85
Q2 24
$-0.93
Q1 24
$-1.51

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMBA
AMBA
SILC
SILC
Cash + ST InvestmentsLiquidity on hand
$174.1M
$42.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$590.1M
$117.5M
Total Assets
$751.9M
$152.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBA
AMBA
SILC
SILC
Q4 25
$174.1M
$42.1M
Q3 25
$142.7M
Q2 25
$141.3M
Q1 25
$144.6M
Q4 24
$127.1M
$72.1M
Q3 24
$153.9M
Q2 24
$131.8M
Q1 24
$144.9M
Stockholders' Equity
AMBA
AMBA
SILC
SILC
Q4 25
$590.1M
$117.5M
Q3 25
$576.5M
Q2 25
$572.7M
Q1 25
$561.4M
Q4 24
$554.3M
$127.8M
Q3 24
$547.6M
Q2 24
$555.4M
Q1 24
$559.9M
Total Assets
AMBA
AMBA
SILC
SILC
Q4 25
$751.9M
$152.2M
Q3 25
$706.4M
Q2 25
$701.9M
Q1 25
$689.0M
Q4 24
$670.8M
$150.4M
Q3 24
$650.3M
Q2 24
$638.7M
Q1 24
$657.7M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMBA
AMBA
SILC
SILC
Operating Cash FlowLast quarter
$34.3M
$-2.2M
Free Cash FlowOCF − Capex
$31.4M
$-3.3M
FCF MarginFCF / Revenue
29.0%
-5.4%
Capex IntensityCapex / Revenue
2.7%
1.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$64.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBA
AMBA
SILC
SILC
Q4 25
$34.3M
$-2.2M
Q3 25
$5.5M
Q2 25
$14.8M
Q1 25
$25.4M
Q4 24
$6.6M
$18.3M
Q3 24
$16.7M
Q2 24
$-15.0M
Q1 24
$-4.0M
Free Cash Flow
AMBA
AMBA
SILC
SILC
Q4 25
$31.4M
$-3.3M
Q3 25
$1.4M
Q2 25
$10.2M
Q1 25
$21.2M
Q4 24
$4.1M
$17.4M
Q3 24
$14.2M
Q2 24
$-16.1M
Q1 24
$-6.0M
FCF Margin
AMBA
AMBA
SILC
SILC
Q4 25
29.0%
-5.4%
Q3 25
1.4%
Q2 25
11.9%
Q1 25
25.3%
Q4 24
5.0%
29.9%
Q3 24
22.2%
Q2 24
-29.5%
Q1 24
-11.6%
Capex Intensity
AMBA
AMBA
SILC
SILC
Q4 25
2.7%
1.9%
Q3 25
4.3%
Q2 25
5.3%
Q1 25
5.0%
Q4 24
3.0%
1.6%
Q3 24
4.0%
Q2 24
2.1%
Q1 24
3.7%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AMBA
AMBA

TW$76.0M70%
Asia Pacific Other Than Taiwan$20.2M19%
North America Other Than United States$7.4M7%
Other$5.0M5%

SILC
SILC

Segment breakdown not available.

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