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

Monolithic Power Systems is the larger business by last-quarter revenue ($804.2M vs $425.8M, roughly 1.9× RPC INC). Monolithic Power Systems runs the higher net margin — 24.0% vs -0.7%, a 24.7% gap on every dollar of revenue. On growth, RPC INC posted the faster year-over-year revenue change (27.0% vs 26.1%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (25.9% CAGR vs 6.2%).

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington. It operates in more than 15 locations worldwide.

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.

MPWR vs RES — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.9× larger
MPWR
$804.2M
$425.8M
RES
Growing faster (revenue YoY)
RES
RES
+0.8% gap
RES
27.0%
26.1%
MPWR
Higher net margin
MPWR
MPWR
24.7% more per $
MPWR
24.0%
-0.7%
RES
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
25.9%
6.2%
RES

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
MPWR
MPWR
RES
RES
Revenue
$804.2M
$425.8M
Net Profit
$193.2M
$-3.1M
Gross Margin
55.3%
21.0%
Operating Margin
30.0%
-0.9%
Net Margin
24.0%
-0.7%
Revenue YoY
26.1%
27.0%
Net Profit YoY
43.1%
-124.0%
EPS (diluted)
$3.92
$-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
MPWR
MPWR
RES
RES
Q1 26
$804.2M
Q4 25
$751.2M
$425.8M
Q3 25
$737.2M
$447.1M
Q2 25
$664.6M
$420.8M
Q1 25
$637.6M
$332.9M
Q4 24
$621.7M
$335.4M
Q3 24
$620.1M
$337.7M
Q2 24
$507.4M
$364.2M
Net Profit
MPWR
MPWR
RES
RES
Q1 26
$193.2M
Q4 25
$171.7M
$-3.1M
Q3 25
$179.8M
$13.0M
Q2 25
$135.0M
$10.1M
Q1 25
$135.1M
$12.0M
Q4 24
$1.3B
$12.8M
Q3 24
$144.4M
$18.8M
Q2 24
$100.4M
$32.4M
Gross Margin
MPWR
MPWR
RES
RES
Q1 26
55.3%
Q4 25
55.2%
21.0%
Q3 25
55.1%
25.1%
Q2 25
55.1%
24.5%
Q1 25
55.4%
26.7%
Q4 24
55.4%
25.4%
Q3 24
55.4%
26.7%
Q2 24
55.3%
28.0%
Operating Margin
MPWR
MPWR
RES
RES
Q1 26
30.0%
Q4 25
26.6%
-0.9%
Q3 25
26.5%
4.7%
Q2 25
24.8%
3.7%
Q1 25
26.5%
3.7%
Q4 24
26.3%
3.1%
Q3 24
26.5%
5.7%
Q2 24
23.0%
9.7%
Net Margin
MPWR
MPWR
RES
RES
Q1 26
24.0%
Q4 25
22.9%
-0.7%
Q3 25
24.4%
2.9%
Q2 25
20.3%
2.4%
Q1 25
21.2%
3.6%
Q4 24
201.8%
3.8%
Q3 24
23.3%
5.6%
Q2 24
19.8%
8.9%
EPS (diluted)
MPWR
MPWR
RES
RES
Q1 26
$3.92
Q4 25
$3.50
$-0.02
Q3 25
$3.74
$0.06
Q2 25
$2.81
$0.05
Q1 25
$2.81
$0.06
Q4 24
$25.71
$0.06
Q3 24
$2.95
$0.09
Q2 24
$2.05
$0.15

Balance Sheet & Financial Strength

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

Metric
MPWR
MPWR
RES
RES
Cash + ST InvestmentsLiquidity on hand
$1.4B
$210.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$3.7B
$1.1B
Total Assets
$4.4B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPWR
MPWR
RES
RES
Q1 26
$1.4B
Q4 25
$1.3B
$210.0M
Q3 25
$1.3B
$163.5M
Q2 25
$1.1B
$162.1M
Q1 25
$1.0B
$326.7M
Q4 24
$862.9M
$326.0M
Q3 24
$1.5B
$276.9M
Q2 24
$1.3B
$261.5M
Stockholders' Equity
MPWR
MPWR
RES
RES
Q1 26
$3.7B
Q4 25
$3.5B
$1.1B
Q3 25
$3.4B
$1.1B
Q2 25
$3.2B
$1.1B
Q1 25
$3.1B
$1.1B
Q4 24
$3.0B
$1.1B
Q3 24
$2.4B
$1.1B
Q2 24
$2.2B
$1.1B
Total Assets
MPWR
MPWR
RES
RES
Q1 26
$4.4B
Q4 25
$4.2B
$1.5B
Q3 25
$4.1B
$1.5B
Q2 25
$3.9B
$1.5B
Q1 25
$3.7B
$1.3B
Q4 24
$3.5B
$1.4B
Q3 24
$2.9B
$1.3B
Q2 24
$2.6B
$1.3B

Cash Flow & Capital Efficiency

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

Metric
MPWR
MPWR
RES
RES
Operating Cash FlowLast quarter
$61.9M
Free Cash FlowOCF − Capex
$31.2M
FCF MarginFCF / Revenue
7.3%
Capex IntensityCapex / Revenue
7.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$52.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPWR
MPWR
RES
RES
Q1 26
Q4 25
$104.9M
$61.9M
Q3 25
$239.3M
$46.5M
Q2 25
$237.6M
$53.1M
Q1 25
$256.4M
$39.9M
Q4 24
$167.7M
$94.2M
Q3 24
$231.7M
$70.7M
Q2 24
$141.0M
$127.9M
Free Cash Flow
MPWR
MPWR
RES
RES
Q1 26
Q4 25
$63.9M
$31.2M
Q3 25
$196.8M
$4.1M
Q2 25
$189.5M
$10.0M
Q1 25
$216.0M
$7.6M
Q4 24
$102.9M
$53.7M
Q3 24
$197.9M
$19.1M
Q2 24
$109.5M
$52.9M
FCF Margin
MPWR
MPWR
RES
RES
Q1 26
Q4 25
8.5%
7.3%
Q3 25
26.7%
0.9%
Q2 25
28.5%
2.4%
Q1 25
33.9%
2.3%
Q4 24
16.5%
16.0%
Q3 24
31.9%
5.6%
Q2 24
21.6%
14.5%
Capex Intensity
MPWR
MPWR
RES
RES
Q1 26
Q4 25
5.5%
7.2%
Q3 25
5.8%
9.5%
Q2 25
7.2%
10.2%
Q1 25
6.3%
9.7%
Q4 24
10.4%
12.1%
Q3 24
5.5%
15.3%
Q2 24
6.2%
20.6%
Cash Conversion
MPWR
MPWR
RES
RES
Q1 26
Q4 25
0.61×
Q3 25
1.33×
3.59×
Q2 25
1.76×
5.23×
Q1 25
1.90×
3.31×
Q4 24
0.13×
7.38×
Q3 24
1.60×
3.76×
Q2 24
1.40×
3.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPWR
MPWR

Segment breakdown not available.

RES
RES

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

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