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

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $108.5M, roughly 1.1× AMBARELLA INC). CarParts.com, Inc. runs the higher net margin — -9.6% vs -13.9%, a 4.3% gap on every dollar of revenue. On growth, AMBARELLA INC posted the faster year-over-year revenue change (31.2% vs -9.8%). Over the past eight quarters, AMBARELLA INC's revenue compounded faster (45.0% CAGR vs -8.6%).

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 ...

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

AMBA vs PRTS — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.1× larger
PRTS
$120.4M
$108.5M
AMBA
Growing faster (revenue YoY)
AMBA
AMBA
+41.0% gap
AMBA
31.2%
-9.8%
PRTS
Higher net margin
PRTS
PRTS
4.3% more per $
PRTS
-9.6%
-13.9%
AMBA
Faster 2-yr revenue CAGR
AMBA
AMBA
Annualised
AMBA
45.0%
-8.6%
PRTS

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMBA
AMBA
PRTS
PRTS
Revenue
$108.5M
$120.4M
Net Profit
$-15.1M
$-11.6M
Gross Margin
59.6%
33.2%
Operating Margin
-15.0%
Net Margin
-13.9%
-9.6%
Revenue YoY
31.2%
-9.8%
Net Profit YoY
37.2%
25.0%
EPS (diluted)
$-0.35
$-0.82

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
PRTS
PRTS
Q4 25
$108.5M
$120.4M
Q3 25
$95.5M
$127.8M
Q2 25
$85.9M
$151.9M
Q1 25
$84.0M
$147.4M
Q4 24
$82.7M
$133.5M
Q3 24
$63.7M
$144.8M
Q2 24
$54.5M
$144.3M
Q1 24
$51.6M
Net Profit
AMBA
AMBA
PRTS
PRTS
Q4 25
$-15.1M
$-11.6M
Q3 25
$-20.0M
$-10.9M
Q2 25
$-24.3M
$-12.7M
Q1 25
$-20.2M
$-15.3M
Q4 24
$-24.1M
$-15.4M
Q3 24
$-34.9M
$-10.0M
Q2 24
$-37.9M
$-8.7M
Q1 24
$-60.6M
Gross Margin
AMBA
AMBA
PRTS
PRTS
Q4 25
59.6%
33.2%
Q3 25
58.9%
33.1%
Q2 25
60.0%
32.8%
Q1 25
60.0%
32.1%
Q4 24
60.6%
32.5%
Q3 24
60.8%
35.2%
Q2 24
60.9%
33.5%
Q1 24
59.8%
Operating Margin
AMBA
AMBA
PRTS
PRTS
Q4 25
-15.0%
Q3 25
-23.0%
-7.9%
Q2 25
-30.1%
-8.2%
Q1 25
-30.2%
-10.3%
Q4 24
-30.9%
-11.6%
Q3 24
-56.9%
-6.9%
Q2 24
-72.4%
-6.0%
Q1 24
-80.8%
Net Margin
AMBA
AMBA
PRTS
PRTS
Q4 25
-13.9%
-9.6%
Q3 25
-20.9%
-8.5%
Q2 25
-28.3%
-8.4%
Q1 25
-24.1%
-10.4%
Q4 24
-29.1%
-11.5%
Q3 24
-54.8%
-6.9%
Q2 24
-69.6%
-6.0%
Q1 24
-117.4%
EPS (diluted)
AMBA
AMBA
PRTS
PRTS
Q4 25
$-0.35
$-0.82
Q3 25
$-0.47
$-0.19
Q2 25
$-0.58
$-0.23
Q1 25
$-0.48
$-0.27
Q4 24
$-0.58
$-0.28
Q3 24
$-0.85
$-0.17
Q2 24
$-0.93
$-0.15
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
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$174.1M
$25.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$590.1M
$53.5M
Total Assets
$751.9M
$184.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBA
AMBA
PRTS
PRTS
Q4 25
$174.1M
$25.8M
Q3 25
$142.7M
Q2 25
$141.3M
Q1 25
$144.6M
Q4 24
$127.1M
Q3 24
$153.9M
Q2 24
$131.8M
Q1 24
$144.9M
Stockholders' Equity
AMBA
AMBA
PRTS
PRTS
Q4 25
$590.1M
$53.5M
Q3 25
$576.5M
$64.2M
Q2 25
$572.7M
$62.4M
Q1 25
$561.4M
$72.8M
Q4 24
$554.3M
$85.2M
Q3 24
$547.6M
$97.2M
Q2 24
$555.4M
$103.9M
Q1 24
$559.9M
Total Assets
AMBA
AMBA
PRTS
PRTS
Q4 25
$751.9M
$184.9M
Q3 25
$706.4M
$200.3M
Q2 25
$701.9M
$189.6M
Q1 25
$689.0M
$216.5M
Q4 24
$670.8M
$210.6M
Q3 24
$650.3M
$227.6M
Q2 24
$638.7M
$238.0M
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
PRTS
PRTS
Operating Cash FlowLast quarter
$34.3M
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
PRTS
PRTS
Q4 25
$34.3M
Q3 25
$5.5M
$-6.4M
Q2 25
$14.8M
$-25.6M
Q1 25
$25.4M
$5.5M
Q4 24
$6.6M
$1.8M
Q3 24
$16.7M
$8.5M
Q2 24
$-15.0M
$-3.6M
Q1 24
$-4.0M
Free Cash Flow
AMBA
AMBA
PRTS
PRTS
Q4 25
$31.4M
Q3 25
$1.4M
$-8.3M
Q2 25
$10.2M
$-27.9M
Q1 25
$21.2M
$3.4M
Q4 24
$4.1M
$-631.0K
Q3 24
$14.2M
$4.9M
Q2 24
$-16.1M
$-10.8M
Q1 24
$-6.0M
FCF Margin
AMBA
AMBA
PRTS
PRTS
Q4 25
29.0%
Q3 25
1.4%
-6.5%
Q2 25
11.9%
-18.3%
Q1 25
25.3%
2.3%
Q4 24
5.0%
-0.5%
Q3 24
22.2%
3.4%
Q2 24
-29.5%
-7.5%
Q1 24
-11.6%
Capex Intensity
AMBA
AMBA
PRTS
PRTS
Q4 25
2.7%
Q3 25
4.3%
1.5%
Q2 25
5.3%
1.5%
Q1 25
5.0%
1.4%
Q4 24
3.0%
1.8%
Q3 24
4.0%
2.5%
Q2 24
2.1%
4.9%
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%

PRTS
PRTS

Segment breakdown not available.

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