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Side-by-side financial comparison of DIODES INC (DIOD) and VinFast Auto Ltd. (VFS). Click either name above to swap in a different company.

VinFast Auto Ltd. is the larger business by last-quarter revenue ($718.6M vs $391.6M, roughly 1.8× DIODES INC). DIODES INC runs the higher net margin — 2.6% vs -2.8%, a 5.4% gap on every dollar of revenue.

Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.

VinFast Auto Ltd. is a Vietnamese multinational automotive company founded by Vingroup, one of the largest private conglomerates in Vietnam that was founded by Phạm Nhật Vượng.

DIOD vs VFS — Head-to-Head

Bigger by revenue
VFS
VFS
1.8× larger
VFS
$718.6M
$391.6M
DIOD
Higher net margin
DIOD
DIOD
5.4% more per $
DIOD
2.6%
-2.8%
VFS

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
DIOD
DIOD
VFS
VFS
Revenue
$391.6M
$718.6M
Net Profit
$10.2M
$-20.0M
Gross Margin
31.1%
Operating Margin
3.4%
-96.1%
Net Margin
2.6%
-2.8%
Revenue YoY
15.4%
Net Profit YoY
23.8%
EPS (diluted)
$0.23

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
DIOD
DIOD
VFS
VFS
Q4 25
$391.6M
Q3 25
$392.2M
$718.6M
Q2 25
$366.2M
$663.0M
Q1 25
$332.1M
$656.5M
Q4 24
$339.3M
Q3 24
$350.1M
$511.6M
Q2 24
$319.8M
Q1 24
$302.0M
$302.6M
Net Profit
DIOD
DIOD
VFS
VFS
Q4 25
$10.2M
Q3 25
$14.3M
$-20.0M
Q2 25
$46.1M
$-51.8M
Q1 25
$-4.4M
$-26.1M
Q4 24
$8.2M
Q3 24
$13.7M
$-10.4M
Q2 24
$8.0M
Q1 24
$14.0M
$-618.3M
Gross Margin
DIOD
DIOD
VFS
VFS
Q4 25
31.1%
Q3 25
30.7%
Q2 25
31.5%
Q1 25
31.5%
Q4 24
32.7%
Q3 24
33.7%
Q2 24
33.6%
Q1 24
33.0%
Operating Margin
DIOD
DIOD
VFS
VFS
Q4 25
3.4%
Q3 25
3.0%
-96.1%
Q2 25
2.6%
-79.0%
Q1 25
0.4%
-74.0%
Q4 24
3.5%
Q3 24
6.2%
-65.9%
Q2 24
1.2%
Q1 24
4.3%
-139.4%
Net Margin
DIOD
DIOD
VFS
VFS
Q4 25
2.6%
Q3 25
3.6%
-2.8%
Q2 25
12.6%
-7.8%
Q1 25
-1.3%
-4.0%
Q4 24
2.4%
Q3 24
3.9%
-2.0%
Q2 24
2.5%
Q1 24
4.6%
-204.3%
EPS (diluted)
DIOD
DIOD
VFS
VFS
Q4 25
$0.23
Q3 25
$0.31
Q2 25
$0.99
Q1 25
$-0.10
Q4 24
$0.18
Q3 24
$0.30
Q2 24
$0.17
Q1 24
$0.30

Balance Sheet & Financial Strength

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

Metric
DIOD
DIOD
VFS
VFS
Cash + ST InvestmentsLiquidity on hand
$377.0M
$8.8M
Total DebtLower is stronger
$25.7M
Stockholders' EquityBook value
$1.9B
Total Assets
$2.4B
$183.2M
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DIOD
DIOD
VFS
VFS
Q4 25
$377.0M
Q3 25
$386.4M
$8.8M
Q2 25
$327.3M
$650.0M
Q1 25
$343.9M
$2.4M
Q4 24
$316.1M
Q3 24
$319.3M
$1.9M
Q2 24
$273.9M
Q1 24
$276.0M
$3.0M
Total Debt
DIOD
DIOD
VFS
VFS
Q4 25
$25.7M
Q3 25
$24.9M
Q2 25
$26.4M
Q1 25
$20.5M
Q4 24
$20.7M
Q3 24
$22.2M
Q2 24
$20.3M
Q1 24
$20.9M
Stockholders' Equity
DIOD
DIOD
VFS
VFS
Q4 25
$1.9B
Q3 25
$1.9B
Q2 25
$1.9B
$-7.2B
Q1 25
$1.8B
Q4 24
$1.8B
Q3 24
$1.8B
Q2 24
$1.8B
Q1 24
$1.7B
Total Assets
DIOD
DIOD
VFS
VFS
Q4 25
$2.4B
Q3 25
$2.5B
$183.2M
Q2 25
$2.5B
$7.2B
Q1 25
$2.4B
$158.2M
Q4 24
$2.4B
Q3 24
$2.4B
$151.8M
Q2 24
$2.4B
Q1 24
$2.4B
$145.6M
Debt / Equity
DIOD
DIOD
VFS
VFS
Q4 25
0.01×
Q3 25
0.01×
Q2 25
0.01×
Q1 25
0.01×
Q4 24
0.01×
Q3 24
0.01×
Q2 24
0.01×
Q1 24
0.01×

Cash Flow & Capital Efficiency

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

Metric
DIOD
DIOD
VFS
VFS
Operating Cash FlowLast quarter
$38.1M
Free Cash FlowOCF − Capex
$12.4M
FCF MarginFCF / Revenue
3.2%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
3.74×
TTM Free Cash FlowTrailing 4 quarters
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DIOD
DIOD
VFS
VFS
Q4 25
$38.1M
Q3 25
$79.1M
Q2 25
$41.5M
Q1 25
$56.7M
Q4 24
$81.8M
Q3 24
$54.4M
Q2 24
$14.4M
Q1 24
$-31.1M
Free Cash Flow
DIOD
DIOD
VFS
VFS
Q4 25
$12.4M
Q3 25
$62.8M
Q2 25
$21.1M
Q1 25
$40.8M
Q4 24
$62.1M
Q3 24
$39.4M
Q2 24
$-3.5M
Q1 24
$-51.5M
FCF Margin
DIOD
DIOD
VFS
VFS
Q4 25
3.2%
Q3 25
16.0%
Q2 25
5.8%
Q1 25
12.3%
Q4 24
18.3%
Q3 24
11.2%
Q2 24
-1.1%
Q1 24
-17.1%
Capex Intensity
DIOD
DIOD
VFS
VFS
Q4 25
6.6%
Q3 25
4.2%
Q2 25
5.6%
Q1 25
4.8%
Q4 24
5.8%
Q3 24
4.3%
Q2 24
5.6%
Q1 24
6.7%
Cash Conversion
DIOD
DIOD
VFS
VFS
Q4 25
3.74×
Q3 25
5.54×
Q2 25
0.90×
Q1 25
Q4 24
9.93×
Q3 24
3.95×
Q2 24
1.80×
Q1 24
-2.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DIOD
DIOD

Distributor$253.1M65%
Direct Sales$138.5M35%

VFS
VFS

Sales of vehicles$662.9M92%
Sales of spare parts and components$41.3M6%
Revenue from leasing activities$12.3M2%
Finance income$2.4M0%
Rendering of services$1.2M0%

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