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

AMBARELLA INC is the larger business by last-quarter revenue ($108.5M vs $57.3M, roughly 1.9× RHYTHM PHARMACEUTICALS, INC.). AMBARELLA INC runs the higher net margin — -13.9% vs -83.0%, a 69.0% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs 31.2%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% 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 ...

Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.

AMBA vs RYTM — Head-to-Head

Bigger by revenue
AMBA
AMBA
1.9× larger
AMBA
$108.5M
$57.3M
RYTM
Growing faster (revenue YoY)
RYTM
RYTM
+5.7% gap
RYTM
36.9%
31.2%
AMBA
Higher net margin
AMBA
AMBA
69.0% more per $
AMBA
-13.9%
-83.0%
RYTM
Faster 2-yr revenue CAGR
RYTM
RYTM
Annualised
RYTM
48.5%
45.0%
AMBA

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMBA
AMBA
RYTM
RYTM
Revenue
$108.5M
$57.3M
Net Profit
$-15.1M
$-47.5M
Gross Margin
59.6%
91.6%
Operating Margin
-15.0%
-82.2%
Net Margin
-13.9%
-83.0%
Revenue YoY
31.2%
36.9%
Net Profit YoY
37.2%
-9.6%
EPS (diluted)
$-0.35
$-0.73

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
RYTM
RYTM
Q4 25
$108.5M
$57.3M
Q3 25
$95.5M
$51.3M
Q2 25
$85.9M
$48.5M
Q1 25
$84.0M
$32.7M
Q4 24
$82.7M
$41.8M
Q3 24
$63.7M
$33.3M
Q2 24
$54.5M
$29.1M
Q1 24
$51.6M
$26.0M
Net Profit
AMBA
AMBA
RYTM
RYTM
Q4 25
$-15.1M
$-47.5M
Q3 25
$-20.0M
$-52.9M
Q2 25
$-24.3M
$-46.6M
Q1 25
$-20.2M
$-49.5M
Q4 24
$-24.1M
$-43.3M
Q3 24
$-34.9M
$-43.6M
Q2 24
$-37.9M
$-32.3M
Q1 24
$-60.6M
$-141.4M
Gross Margin
AMBA
AMBA
RYTM
RYTM
Q4 25
59.6%
91.6%
Q3 25
58.9%
89.3%
Q2 25
60.0%
88.6%
Q1 25
60.0%
88.8%
Q4 24
60.6%
90.9%
Q3 24
60.8%
88.5%
Q2 24
60.9%
89.9%
Q1 24
59.8%
89.2%
Operating Margin
AMBA
AMBA
RYTM
RYTM
Q4 25
-15.0%
-82.2%
Q3 25
-23.0%
-102.6%
Q2 25
-30.1%
-93.4%
Q1 25
-30.2%
-143.7%
Q4 24
-30.9%
-98.6%
Q3 24
-56.9%
-132.0%
Q2 24
-72.4%
-139.2%
Q1 24
-80.8%
-538.7%
Net Margin
AMBA
AMBA
RYTM
RYTM
Q4 25
-13.9%
-83.0%
Q3 25
-20.9%
-103.1%
Q2 25
-28.3%
-96.1%
Q1 25
-24.1%
-151.4%
Q4 24
-29.1%
-103.6%
Q3 24
-54.8%
-131.2%
Q2 24
-69.6%
-110.9%
Q1 24
-117.4%
-544.4%
EPS (diluted)
AMBA
AMBA
RYTM
RYTM
Q4 25
$-0.35
$-0.73
Q3 25
$-0.47
$-0.82
Q2 25
$-0.58
$-0.75
Q1 25
$-0.48
$-0.81
Q4 24
$-0.58
$-0.71
Q3 24
$-0.85
$-0.73
Q2 24
$-0.93
$-0.55
Q1 24
$-1.51
$-2.35

Balance Sheet & Financial Strength

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

Metric
AMBA
AMBA
RYTM
RYTM
Cash + ST InvestmentsLiquidity on hand
$174.1M
$388.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$590.1M
$139.1M
Total Assets
$751.9M
$480.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBA
AMBA
RYTM
RYTM
Q4 25
$174.1M
$388.9M
Q3 25
$142.7M
$416.1M
Q2 25
$141.3M
$291.0M
Q1 25
$144.6M
$314.5M
Q4 24
$127.1M
$320.6M
Q3 24
$153.9M
$298.4M
Q2 24
$131.8M
$319.1M
Q1 24
$144.9M
$201.2M
Stockholders' Equity
AMBA
AMBA
RYTM
RYTM
Q4 25
$590.1M
$139.1M
Q3 25
$576.5M
$148.8M
Q2 25
$572.7M
$-11.9M
Q1 25
$561.4M
$18.9M
Q4 24
$554.3M
$21.7M
Q3 24
$547.6M
$11.2M
Q2 24
$555.4M
$39.3M
Q1 24
$559.9M
$61.6M
Total Assets
AMBA
AMBA
RYTM
RYTM
Q4 25
$751.9M
$480.2M
Q3 25
$706.4M
$506.9M
Q2 25
$701.9M
$372.7M
Q1 25
$689.0M
$386.7M
Q4 24
$670.8M
$392.3M
Q3 24
$650.3M
$363.6M
Q2 24
$638.7M
$381.8M
Q1 24
$657.7M
$258.7M

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
RYTM
RYTM
Operating Cash FlowLast quarter
$34.3M
$-25.4M
Free Cash FlowOCF − Capex
$31.4M
FCF MarginFCF / Revenue
29.0%
Capex IntensityCapex / Revenue
2.7%
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
RYTM
RYTM
Q4 25
$34.3M
$-25.4M
Q3 25
$5.5M
$-26.6M
Q2 25
$14.8M
$-23.3M
Q1 25
$25.4M
$-40.4M
Q4 24
$6.6M
$-18.8M
Q3 24
$16.7M
$-25.2M
Q2 24
$-15.0M
$-29.1M
Q1 24
$-4.0M
$-40.7M
Free Cash Flow
AMBA
AMBA
RYTM
RYTM
Q4 25
$31.4M
Q3 25
$1.4M
Q2 25
$10.2M
Q1 25
$21.2M
Q4 24
$4.1M
Q3 24
$14.2M
Q2 24
$-16.1M
Q1 24
$-6.0M
FCF Margin
AMBA
AMBA
RYTM
RYTM
Q4 25
29.0%
Q3 25
1.4%
Q2 25
11.9%
Q1 25
25.3%
Q4 24
5.0%
Q3 24
22.2%
Q2 24
-29.5%
Q1 24
-11.6%
Capex Intensity
AMBA
AMBA
RYTM
RYTM
Q4 25
2.7%
Q3 25
4.3%
Q2 25
5.3%
Q1 25
5.0%
Q4 24
3.0%
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%

RYTM
RYTM

Segment breakdown not available.

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