vs

Side-by-side financial comparison of ACCURAY INC (ARAY) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

RAMBUS INC is the larger business by last-quarter revenue ($180.2M vs $102.2M, roughly 1.8× ACCURAY INC). RAMBUS INC runs the higher net margin — 33.2% vs -13.5%, a 46.7% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -12.0%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs 0.5%).

Accuray is a radiation therapy company that develops, manufactures, and sells radiation therapy systems to deliver treatments including stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). It is the developer of innovative technologies, the CyberKnife and TomoTherapy platforms, including the Radixact System, the latest generation TomoTherapy platform. The company is headquartered in Sunnyvale, CA, the United States. The platforms are installed in leading healthcare ...

Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.

ARAY vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.8× larger
RMBS
$180.2M
$102.2M
ARAY
Growing faster (revenue YoY)
RMBS
RMBS
+20.1% gap
RMBS
8.1%
-12.0%
ARAY
Higher net margin
RMBS
RMBS
46.7% more per $
RMBS
33.2%
-13.5%
ARAY
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
0.5%
ARAY

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
ARAY
ARAY
RMBS
RMBS
Revenue
$102.2M
$180.2M
Net Profit
$-13.8M
$59.9M
Gross Margin
23.5%
79.7%
Operating Margin
-11.3%
34.3%
Net Margin
-13.5%
33.2%
Revenue YoY
-12.0%
8.1%
Net Profit YoY
-642.8%
-7.3%
EPS (diluted)
$-0.11
$0.55

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
ARAY
ARAY
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$102.2M
$190.2M
Q3 25
$93.9M
$178.5M
Q2 25
$127.5M
$172.2M
Q1 25
$113.2M
$166.7M
Q4 24
$116.2M
$161.1M
Q3 24
$101.5M
$145.5M
Q2 24
$134.3M
$132.1M
Net Profit
ARAY
ARAY
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$-13.8M
$63.8M
Q3 25
$-21.7M
$48.4M
Q2 25
$1.1M
$57.9M
Q1 25
$-1.3M
$60.3M
Q4 24
$2.5M
$62.2M
Q3 24
$-4.0M
$48.7M
Q2 24
$3.4M
$36.1M
Gross Margin
ARAY
ARAY
RMBS
RMBS
Q1 26
79.7%
Q4 25
23.5%
78.9%
Q3 25
28.3%
79.5%
Q2 25
30.6%
79.8%
Q1 25
27.9%
80.3%
Q4 24
36.1%
80.4%
Q3 24
33.9%
80.7%
Q2 24
28.6%
79.7%
Operating Margin
ARAY
ARAY
RMBS
RMBS
Q1 26
34.3%
Q4 25
-11.3%
37.2%
Q3 25
-12.0%
35.4%
Q2 25
3.3%
36.6%
Q1 25
0.9%
37.9%
Q4 24
4.1%
35.9%
Q3 24
-2.1%
37.6%
Q2 24
5.1%
30.5%
Net Margin
ARAY
ARAY
RMBS
RMBS
Q1 26
33.2%
Q4 25
-13.5%
33.6%
Q3 25
-23.1%
27.1%
Q2 25
0.9%
33.6%
Q1 25
-1.1%
36.2%
Q4 24
2.2%
38.6%
Q3 24
-3.9%
33.4%
Q2 24
2.5%
27.3%
EPS (diluted)
ARAY
ARAY
RMBS
RMBS
Q1 26
$0.55
Q4 25
$-0.11
$0.58
Q3 25
$-0.18
$0.44
Q2 25
$0.01
$0.53
Q1 25
$-0.01
$0.56
Q4 24
$0.02
$0.57
Q3 24
$-0.04
$0.45
Q2 24
$0.03
$0.33

Balance Sheet & Financial Strength

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

Metric
ARAY
ARAY
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$41.3M
$134.3M
Total DebtLower is stronger
$135.9M
Stockholders' EquityBook value
$53.4M
Total Assets
$448.0M
$1.5B
Debt / EquityLower = less leverage
2.54×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARAY
ARAY
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$41.3M
$182.8M
Q3 25
$63.3M
$79.2M
Q2 25
$57.4M
$87.8M
Q1 25
$77.8M
$132.2M
Q4 24
$62.6M
$99.8M
Q3 24
$59.2M
$114.0M
Q2 24
$68.6M
$124.6M
Total Debt
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
$135.9M
Q3 25
$140.2M
Q2 25
$136.5M
Q1 25
$173.8M
Q4 24
$175.5M
Q3 24
$170.2M
Q2 24
$172.2M
Stockholders' Equity
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
$53.4M
$1.4B
Q3 25
$61.9M
$1.3B
Q2 25
$81.2M
$1.2B
Q1 25
$49.6M
$1.2B
Q4 24
$47.9M
$1.1B
Q3 24
$45.2M
$1.0B
Q2 24
$45.1M
$1.0B
Total Assets
ARAY
ARAY
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$448.0M
$1.5B
Q3 25
$456.8M
$1.4B
Q2 25
$470.2M
$1.5B
Q1 25
$484.3M
$1.4B
Q4 24
$478.4M
$1.3B
Q3 24
$473.1M
$1.3B
Q2 24
$468.6M
$1.3B
Debt / Equity
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
2.54×
Q3 25
2.27×
Q2 25
1.68×
Q1 25
3.50×
Q4 24
3.66×
Q3 24
3.76×
Q2 24
3.82×

Cash Flow & Capital Efficiency

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

Metric
ARAY
ARAY
RMBS
RMBS
Operating Cash FlowLast quarter
$-16.0M
Free Cash FlowOCF − Capex
$-19.0M
FCF MarginFCF / Revenue
-18.6%
Capex IntensityCapex / Revenue
3.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-2.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
$-16.0M
$99.8M
Q3 25
$12.2M
$88.4M
Q2 25
$-9.7M
$94.4M
Q1 25
$18.1M
$77.4M
Q4 24
$1.8M
$59.0M
Q3 24
$-7.3M
$62.1M
Q2 24
$9.9M
$70.4M
Free Cash Flow
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
$-19.0M
$93.3M
Q3 25
$10.3M
$82.5M
Q2 25
$-11.0M
$87.9M
Q1 25
$17.1M
$69.5M
Q4 24
$927.0K
$52.5M
Q3 24
$-8.4M
$52.2M
Q2 24
$9.4M
$59.1M
FCF Margin
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
-18.6%
49.0%
Q3 25
10.9%
46.2%
Q2 25
-8.6%
51.0%
Q1 25
15.1%
41.7%
Q4 24
0.8%
32.6%
Q3 24
-8.3%
35.9%
Q2 24
7.0%
44.7%
Capex Intensity
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
3.0%
3.4%
Q3 25
2.0%
3.3%
Q2 25
1.0%
3.8%
Q1 25
0.8%
4.7%
Q4 24
0.8%
4.0%
Q3 24
1.1%
6.8%
Q2 24
0.3%
8.6%
Cash Conversion
ARAY
ARAY
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
-8.64×
1.63×
Q1 25
1.28×
Q4 24
0.71×
0.95×
Q3 24
1.28×
Q2 24
2.92×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARAY
ARAY

Services$57.2M56%
Products$45.0M44%

RMBS
RMBS

Product revenue$88.0M49%
Royalties$69.6M39%
Contract and other revenue$22.6M13%

Related Comparisons