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Side-by-side financial comparison of GRAFTECH INTERNATIONAL LTD (EAF) and SunPower Inc. (SPWR). Click either name above to swap in a different company.

GRAFTECH INTERNATIONAL LTD is the larger business by last-quarter revenue ($116.5M vs $79.7M, roughly 1.5× SunPower Inc.). SunPower Inc. runs the higher net margin — -17.8% vs -55.9%, a 38.2% gap on every dollar of revenue. On growth, SunPower Inc. posted the faster year-over-year revenue change (-10.1% vs -13.2%). Over the past eight quarters, SunPower Inc.'s revenue compounded faster (118.7% CAGR vs -7.7%).

GrafTech International Ltd. is a manufacturer of graphite electrodes and petroleum coke, which are essential for the production of electric arc furnace steel and other metals. Headquartered in Brooklyn Heights, Ohio, it has manufacturing facilities in Calais, France;Pamplona, Spain; Monterrey, Mexico; and St. Marys, Pennsylvania.

SunPower Corporation is an American provider of photovoltaic solar energy generation systems and battery energy storage products, primarily for residential customers. The company, headquartered in San Jose, California, was founded in 1985 by Richard Swanson, an electrical engineering professor from Stanford University. Cypress Semiconductor bought a majority interest in the company in 2002, growing it quickly until SunPower went public in 2005. TotalEnergies, a French energy and oil company p...

EAF vs SPWR — Head-to-Head

Bigger by revenue
EAF
EAF
1.5× larger
EAF
$116.5M
$79.7M
SPWR
Growing faster (revenue YoY)
SPWR
SPWR
+3.1% gap
SPWR
-10.1%
-13.2%
EAF
Higher net margin
SPWR
SPWR
38.2% more per $
SPWR
-17.8%
-55.9%
EAF
Faster 2-yr revenue CAGR
SPWR
SPWR
Annualised
SPWR
118.7%
-7.7%
EAF

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
EAF
EAF
SPWR
SPWR
Revenue
$116.5M
$79.7M
Net Profit
$-65.1M
$-14.2M
Gross Margin
-20.9%
35.5%
Operating Margin
-33.6%
-27.4%
Net Margin
-55.9%
-17.8%
Revenue YoY
-13.2%
-10.1%
Net Profit YoY
-31.6%
-130.1%
EPS (diluted)
$-6.86
$-0.05

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
EAF
EAF
SPWR
SPWR
Q4 25
$116.5M
$79.7M
Q3 25
$144.0M
$22.0M
Q2 25
$131.8M
$67.5M
Q1 25
$111.8M
$82.7M
Q4 24
$134.2M
$88.7M
Q3 24
$130.7M
Q2 24
$137.3M
Q1 24
$136.6M
Net Profit
EAF
EAF
SPWR
SPWR
Q4 25
$-65.1M
$-14.2M
Q3 25
$-28.5M
$-16.9M
Q2 25
$-86.9M
$-22.4M
Q1 25
$-39.4M
$8.1M
Q4 24
$-49.5M
$47.0M
Q3 24
$-36.1M
Q2 24
$-14.8M
Q1 24
$-30.9M
Gross Margin
EAF
EAF
SPWR
SPWR
Q4 25
-20.9%
35.5%
Q3 25
7.2%
Q2 25
0.0%
42.6%
Q1 25
-1.5%
48.5%
Q4 24
-7.8%
46.5%
Q3 24
-9.2%
Q2 24
2.9%
Q1 24
-1.0%
Operating Margin
EAF
EAF
SPWR
SPWR
Q4 25
-33.6%
-27.4%
Q3 25
-3.6%
-15.7%
Q2 25
-11.0%
-4.0%
Q1 25
-16.3%
1.3%
Q4 24
-18.6%
-24.2%
Q3 24
-20.1%
Q2 24
-2.0%
Q1 24
-15.6%
Net Margin
EAF
EAF
SPWR
SPWR
Q4 25
-55.9%
-17.8%
Q3 25
-19.8%
-76.9%
Q2 25
-65.9%
-33.2%
Q1 25
-35.2%
9.8%
Q4 24
-36.9%
53.0%
Q3 24
-27.6%
Q2 24
-10.7%
Q1 24
-22.6%
EPS (diluted)
EAF
EAF
SPWR
SPWR
Q4 25
$-6.86
$-0.05
Q3 25
$-1.10
$-0.19
Q2 25
$-0.34
$-0.28
Q1 25
$-0.15
$0.00
Q4 24
$-3.51
$0.27
Q3 24
$-1.40
Q2 24
$-0.06
Q1 24
$-0.12

Balance Sheet & Financial Strength

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

Metric
EAF
EAF
SPWR
SPWR
Cash + ST InvestmentsLiquidity on hand
$9.6M
Total DebtLower is stronger
$1.1B
$164.8M
Stockholders' EquityBook value
$-259.6M
$-90.1M
Total Assets
$1.0B
$241.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EAF
EAF
SPWR
SPWR
Q4 25
$9.6M
Q3 25
$5.1M
Q2 25
$11.1M
Q1 25
$10.6M
Q4 24
$13.4M
Q3 24
Q2 24
$120.7M
Q1 24
$165.2M
Total Debt
EAF
EAF
SPWR
SPWR
Q4 25
$1.1B
$164.8M
Q3 25
$1.1B
$204.3M
Q2 25
$1.1B
$152.9M
Q1 25
$1.1B
Q4 24
$1.1B
$147.3M
Q3 24
$929.5M
Q2 24
$928.2M
Q1 24
$926.9M
Stockholders' Equity
EAF
EAF
SPWR
SPWR
Q4 25
$-259.6M
$-90.1M
Q3 25
$-194.4M
$-112.3M
Q2 25
$-168.4M
$-107.2M
Q1 25
$-105.3M
$-89.0M
Q4 24
$-78.9M
$-97.5M
Q3 24
$-9.0M
Q2 24
$16.2M
Q1 24
$37.6M
Total Assets
EAF
EAF
SPWR
SPWR
Q4 25
$1.0B
$241.2M
Q3 25
$1.1B
$208.3M
Q2 25
$1.1B
$163.1M
Q1 25
$1.2B
$147.8M
Q4 24
$1.2B
$144.5M
Q3 24
$1.1B
Q2 24
$1.2B
Q1 24
$1.2B
Debt / Equity
EAF
EAF
SPWR
SPWR
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
57.16×
Q1 24
24.64×

Cash Flow & Capital Efficiency

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

Metric
EAF
EAF
SPWR
SPWR
Operating Cash FlowLast quarter
$-20.9M
$-1.9M
Free Cash FlowOCF − Capex
$-39.3M
FCF MarginFCF / Revenue
-33.7%
Capex IntensityCapex / Revenue
15.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-120.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EAF
EAF
SPWR
SPWR
Q4 25
$-20.9M
$-1.9M
Q3 25
$24.7M
$-6.4M
Q2 25
$-53.2M
$-4.4M
Q1 25
$-32.2M
$-2.6M
Q4 24
$-26.4M
$-25.6M
Q3 24
$23.7M
Q2 24
$-36.9M
Q1 24
$-530.0K
Free Cash Flow
EAF
EAF
SPWR
SPWR
Q4 25
$-39.3M
Q3 25
$18.4M
Q2 25
$-57.1M
Q1 25
$-42.5M
Q4 24
$-39.2M
Q3 24
$19.7M
Q2 24
$-43.8M
Q1 24
$-11.0M
FCF Margin
EAF
EAF
SPWR
SPWR
Q4 25
-33.7%
Q3 25
12.8%
Q2 25
-43.3%
Q1 25
-38.0%
Q4 24
-29.2%
Q3 24
15.1%
Q2 24
-31.9%
Q1 24
-8.1%
Capex Intensity
EAF
EAF
SPWR
SPWR
Q4 25
15.8%
Q3 25
4.4%
Q2 25
3.0%
Q1 25
9.2%
Q4 24
9.5%
Q3 24
3.1%
Q2 24
5.1%
Q1 24
7.7%
Cash Conversion
EAF
EAF
SPWR
SPWR
Q4 25
Q3 25
Q2 25
Q1 25
-0.32×
Q4 24
-0.54×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

EAF
EAF

Graphite Electrodes$107.0M92%
By Products And Other$9.4M8%

SPWR
SPWR

Residential Solar Installation$46.9M59%
New Homes Business$22.7M29%
Other$10.1M13%

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