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

CLEANSPARK, INC. is the larger business by last-quarter revenue ($181.2M vs $108.5M, roughly 1.7× AMBARELLA INC). AMBARELLA INC runs the higher net margin — -13.9% vs -209.0%, a 195.1% gap on every dollar of revenue. On growth, AMBARELLA INC posted the faster year-over-year revenue change (31.2% vs 11.6%). AMBARELLA INC produced more free cash flow last quarter ($31.4M vs $-198.1M). Over the past eight quarters, CLEANSPARK, INC.'s revenue compounded faster (106.4% CAGR vs 45.0%).

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 ...

CleanSpark, Inc. is a U.S.-headquartered sustainable technology company operating two core business segments: low-carbon Bitcoin mining powered primarily by renewable and stranded energy resources, and end-to-end microgrid design, deployment, and operation services for commercial, industrial, and public sector clients across North America.

AMBA vs CLSK — Head-to-Head

Bigger by revenue
CLSK
CLSK
1.7× larger
CLSK
$181.2M
$108.5M
AMBA
Growing faster (revenue YoY)
AMBA
AMBA
+19.6% gap
AMBA
31.2%
11.6%
CLSK
Higher net margin
AMBA
AMBA
195.1% more per $
AMBA
-13.9%
-209.0%
CLSK
More free cash flow
AMBA
AMBA
$229.5M more FCF
AMBA
$31.4M
$-198.1M
CLSK
Faster 2-yr revenue CAGR
CLSK
CLSK
Annualised
CLSK
106.4%
45.0%
AMBA

Income Statement — Q3 FY2026 vs Q1 FY2026

Metric
AMBA
AMBA
CLSK
CLSK
Revenue
$108.5M
$181.2M
Net Profit
$-15.1M
$-378.7M
Gross Margin
59.6%
47.2%
Operating Margin
-15.0%
-174.7%
Net Margin
-13.9%
-209.0%
Revenue YoY
31.2%
11.6%
Net Profit YoY
37.2%
-253.5%
EPS (diluted)
$-0.35

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
CLSK
CLSK
Q4 25
$108.5M
$181.2M
Q3 25
$95.5M
Q2 25
$85.9M
Q1 25
$84.0M
Q4 24
$82.7M
Q3 24
$63.7M
$89.3M
Q2 24
$54.5M
$104.1M
Q1 24
$51.6M
$111.8M
Net Profit
AMBA
AMBA
CLSK
CLSK
Q4 25
$-15.1M
$-378.7M
Q3 25
$-20.0M
Q2 25
$-24.3M
Q1 25
$-20.2M
Q4 24
$-24.1M
Q3 24
$-34.9M
$-62.2M
Q2 24
$-37.9M
$-236.2M
Q1 24
$-60.6M
$126.7M
Gross Margin
AMBA
AMBA
CLSK
CLSK
Q4 25
59.6%
47.2%
Q3 25
58.9%
Q2 25
60.0%
Q1 25
60.0%
Q4 24
60.6%
Q3 24
60.8%
36.0%
Q2 24
60.9%
56.6%
Q1 24
59.8%
69.3%
Operating Margin
AMBA
AMBA
CLSK
CLSK
Q4 25
-15.0%
-174.7%
Q3 25
-23.0%
Q2 25
-30.1%
Q1 25
-30.2%
Q4 24
-30.9%
Q3 24
-56.9%
-73.5%
Q2 24
-72.4%
-239.2%
Q1 24
-80.8%
Net Margin
AMBA
AMBA
CLSK
CLSK
Q4 25
-13.9%
-209.0%
Q3 25
-20.9%
Q2 25
-28.3%
Q1 25
-24.1%
Q4 24
-29.1%
Q3 24
-54.8%
-69.6%
Q2 24
-69.6%
-226.9%
Q1 24
-117.4%
113.4%
EPS (diluted)
AMBA
AMBA
CLSK
CLSK
Q4 25
$-0.35
Q3 25
$-0.47
Q2 25
$-0.58
Q1 25
$-0.48
Q4 24
$-0.58
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
CLSK
CLSK
Cash + ST InvestmentsLiquidity on hand
$174.1M
$458.1M
Total DebtLower is stronger
$1.8B
Stockholders' EquityBook value
$590.1M
$1.4B
Total Assets
$751.9M
$3.3B
Debt / EquityLower = less leverage
1.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBA
AMBA
CLSK
CLSK
Q4 25
$174.1M
$458.1M
Q3 25
$142.7M
Q2 25
$141.3M
Q1 25
$144.6M
Q4 24
$127.1M
Q3 24
$153.9M
$121.2M
Q2 24
$131.8M
$126.1M
Q1 24
$144.9M
Total Debt
AMBA
AMBA
CLSK
CLSK
Q4 25
$1.8B
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$7.2M
Q2 24
$1.3M
Q1 24
$5.1M
Stockholders' Equity
AMBA
AMBA
CLSK
CLSK
Q4 25
$590.1M
$1.4B
Q3 25
$576.5M
Q2 25
$572.7M
Q1 25
$561.4M
Q4 24
$554.3M
Q3 24
$547.6M
$1.8B
Q2 24
$555.4M
$1.4B
Q1 24
$559.9M
$1.5B
Total Assets
AMBA
AMBA
CLSK
CLSK
Q4 25
$751.9M
$3.3B
Q3 25
$706.4M
Q2 25
$701.9M
Q1 25
$689.0M
Q4 24
$670.8M
Q3 24
$650.3M
$2.0B
Q2 24
$638.7M
$1.5B
Q1 24
$657.7M
$1.5B
Debt / Equity
AMBA
AMBA
CLSK
CLSK
Q4 25
1.29×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

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
CLSK
CLSK
Operating Cash FlowLast quarter
$34.3M
$-161.1M
Free Cash FlowOCF − Capex
$31.4M
$-198.1M
FCF MarginFCF / Revenue
29.0%
-109.3%
Capex IntensityCapex / Revenue
2.7%
20.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$64.3M
$-626.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBA
AMBA
CLSK
CLSK
Q4 25
$34.3M
$-161.1M
Q3 25
$5.5M
Q2 25
$14.8M
Q1 25
$25.4M
Q4 24
$6.6M
Q3 24
$16.7M
$-233.7M
Q2 24
$-15.0M
$-58.4M
Q1 24
$-4.0M
$-44.8M
Free Cash Flow
AMBA
AMBA
CLSK
CLSK
Q4 25
$31.4M
$-198.1M
Q3 25
$1.4M
Q2 25
$10.2M
Q1 25
$21.2M
Q4 24
$4.1M
Q3 24
$14.2M
$-299.8M
Q2 24
$-16.1M
$-68.7M
Q1 24
$-6.0M
$-60.3M
FCF Margin
AMBA
AMBA
CLSK
CLSK
Q4 25
29.0%
-109.3%
Q3 25
1.4%
Q2 25
11.9%
Q1 25
25.3%
Q4 24
5.0%
Q3 24
22.2%
-335.8%
Q2 24
-29.5%
-66.0%
Q1 24
-11.6%
-54.0%
Capex Intensity
AMBA
AMBA
CLSK
CLSK
Q4 25
2.7%
20.4%
Q3 25
4.3%
Q2 25
5.3%
Q1 25
5.0%
Q4 24
3.0%
Q3 24
4.0%
74.0%
Q2 24
2.1%
9.9%
Q1 24
3.7%
13.8%
Cash Conversion
AMBA
AMBA
CLSK
CLSK
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-0.35×

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%

CLSK
CLSK

Segment breakdown not available.

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