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

RPC INC is the larger business by last-quarter revenue ($425.8M vs $391.6M, roughly 1.1× DIODES INC). DIODES INC runs the higher net margin — 2.6% vs -0.7%, a 3.3% gap on every dollar of revenue. On growth, RPC INC posted the faster year-over-year revenue change (27.0% vs 15.4%). RPC INC produced more free cash flow last quarter ($31.2M vs $12.4M). Over the past eight quarters, DIODES INC's revenue compounded faster (13.9% CAGR vs 6.2%).

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.

RPC Group plc is based in the United Kingdom, and is one of Europe's largest supplier of plastic packaging. Its headquarters are in Rushden in Northamptonshire. It was listed on the London Stock Exchange until it was acquired in 2019 by Berry Global Group Inc, which in turn was acquired by Amcor in 2025.

DIOD vs RES — Head-to-Head

Bigger by revenue
RES
RES
1.1× larger
RES
$425.8M
$391.6M
DIOD
Growing faster (revenue YoY)
RES
RES
+11.6% gap
RES
27.0%
15.4%
DIOD
Higher net margin
DIOD
DIOD
3.3% more per $
DIOD
2.6%
-0.7%
RES
More free cash flow
RES
RES
$18.8M more FCF
RES
$31.2M
$12.4M
DIOD
Faster 2-yr revenue CAGR
DIOD
DIOD
Annualised
DIOD
13.9%
6.2%
RES

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
DIOD
DIOD
RES
RES
Revenue
$391.6M
$425.8M
Net Profit
$10.2M
$-3.1M
Gross Margin
31.1%
21.0%
Operating Margin
3.4%
-0.9%
Net Margin
2.6%
-0.7%
Revenue YoY
15.4%
27.0%
Net Profit YoY
23.8%
-124.0%
EPS (diluted)
$0.23
$-0.02

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
RES
RES
Q4 25
$391.6M
$425.8M
Q3 25
$392.2M
$447.1M
Q2 25
$366.2M
$420.8M
Q1 25
$332.1M
$332.9M
Q4 24
$339.3M
$335.4M
Q3 24
$350.1M
$337.7M
Q2 24
$319.8M
$364.2M
Q1 24
$302.0M
$377.8M
Net Profit
DIOD
DIOD
RES
RES
Q4 25
$10.2M
$-3.1M
Q3 25
$14.3M
$13.0M
Q2 25
$46.1M
$10.1M
Q1 25
$-4.4M
$12.0M
Q4 24
$8.2M
$12.8M
Q3 24
$13.7M
$18.8M
Q2 24
$8.0M
$32.4M
Q1 24
$14.0M
$27.5M
Gross Margin
DIOD
DIOD
RES
RES
Q4 25
31.1%
21.0%
Q3 25
30.7%
25.1%
Q2 25
31.5%
24.5%
Q1 25
31.5%
26.7%
Q4 24
32.7%
25.4%
Q3 24
33.7%
26.7%
Q2 24
33.6%
28.0%
Q1 24
33.0%
26.8%
Operating Margin
DIOD
DIOD
RES
RES
Q4 25
3.4%
-0.9%
Q3 25
3.0%
4.7%
Q2 25
2.6%
3.7%
Q1 25
0.4%
3.7%
Q4 24
3.5%
3.1%
Q3 24
6.2%
5.7%
Q2 24
1.2%
9.7%
Q1 24
4.3%
8.6%
Net Margin
DIOD
DIOD
RES
RES
Q4 25
2.6%
-0.7%
Q3 25
3.6%
2.9%
Q2 25
12.6%
2.4%
Q1 25
-1.3%
3.6%
Q4 24
2.4%
3.8%
Q3 24
3.9%
5.6%
Q2 24
2.5%
8.9%
Q1 24
4.6%
7.3%
EPS (diluted)
DIOD
DIOD
RES
RES
Q4 25
$0.23
$-0.02
Q3 25
$0.31
$0.06
Q2 25
$0.99
$0.05
Q1 25
$-0.10
$0.06
Q4 24
$0.18
$0.06
Q3 24
$0.30
$0.09
Q2 24
$0.17
$0.15
Q1 24
$0.30
$0.13

Balance Sheet & Financial Strength

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

Metric
DIOD
DIOD
RES
RES
Cash + ST InvestmentsLiquidity on hand
$377.0M
$210.0M
Total DebtLower is stronger
$25.7M
Stockholders' EquityBook value
$1.9B
$1.1B
Total Assets
$2.4B
$1.5B
Debt / EquityLower = less leverage
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DIOD
DIOD
RES
RES
Q4 25
$377.0M
$210.0M
Q3 25
$386.4M
$163.5M
Q2 25
$327.3M
$162.1M
Q1 25
$343.9M
$326.7M
Q4 24
$316.1M
$326.0M
Q3 24
$319.3M
$276.9M
Q2 24
$273.9M
$261.5M
Q1 24
$276.0M
$212.2M
Total Debt
DIOD
DIOD
RES
RES
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
RES
RES
Q4 25
$1.9B
$1.1B
Q3 25
$1.9B
$1.1B
Q2 25
$1.9B
$1.1B
Q1 25
$1.8B
$1.1B
Q4 24
$1.8B
$1.1B
Q3 24
$1.8B
$1.1B
Q2 24
$1.8B
$1.1B
Q1 24
$1.7B
$1.0B
Total Assets
DIOD
DIOD
RES
RES
Q4 25
$2.4B
$1.5B
Q3 25
$2.5B
$1.5B
Q2 25
$2.5B
$1.5B
Q1 25
$2.4B
$1.3B
Q4 24
$2.4B
$1.4B
Q3 24
$2.4B
$1.3B
Q2 24
$2.4B
$1.3B
Q1 24
$2.4B
$1.3B
Debt / Equity
DIOD
DIOD
RES
RES
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
RES
RES
Operating Cash FlowLast quarter
$38.1M
$61.9M
Free Cash FlowOCF − Capex
$12.4M
$31.2M
FCF MarginFCF / Revenue
3.2%
7.3%
Capex IntensityCapex / Revenue
6.6%
7.2%
Cash ConversionOCF / Net Profit
3.74×
TTM Free Cash FlowTrailing 4 quarters
$137.2M
$52.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DIOD
DIOD
RES
RES
Q4 25
$38.1M
$61.9M
Q3 25
$79.1M
$46.5M
Q2 25
$41.5M
$53.1M
Q1 25
$56.7M
$39.9M
Q4 24
$81.8M
$94.2M
Q3 24
$54.4M
$70.7M
Q2 24
$14.4M
$127.9M
Q1 24
$-31.1M
$56.6M
Free Cash Flow
DIOD
DIOD
RES
RES
Q4 25
$12.4M
$31.2M
Q3 25
$62.8M
$4.1M
Q2 25
$21.1M
$10.0M
Q1 25
$40.8M
$7.6M
Q4 24
$62.1M
$53.7M
Q3 24
$39.4M
$19.1M
Q2 24
$-3.5M
$52.9M
Q1 24
$-51.5M
$3.8M
FCF Margin
DIOD
DIOD
RES
RES
Q4 25
3.2%
7.3%
Q3 25
16.0%
0.9%
Q2 25
5.8%
2.4%
Q1 25
12.3%
2.3%
Q4 24
18.3%
16.0%
Q3 24
11.2%
5.6%
Q2 24
-1.1%
14.5%
Q1 24
-17.1%
1.0%
Capex Intensity
DIOD
DIOD
RES
RES
Q4 25
6.6%
7.2%
Q3 25
4.2%
9.5%
Q2 25
5.6%
10.2%
Q1 25
4.8%
9.7%
Q4 24
5.8%
12.1%
Q3 24
4.3%
15.3%
Q2 24
5.6%
20.6%
Q1 24
6.7%
14.0%
Cash Conversion
DIOD
DIOD
RES
RES
Q4 25
3.74×
Q3 25
5.54×
3.59×
Q2 25
0.90×
5.23×
Q1 25
3.31×
Q4 24
9.93×
7.38×
Q3 24
3.95×
3.76×
Q2 24
1.80×
3.95×
Q1 24
-2.22×
2.06×

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%

RES
RES

Technical Service$405.2M95%
Other$8.8M2%
Nitrogen$6.6M2%

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