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Side-by-side financial comparison of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) 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 $162.3M, roughly 1.1× ALPHA & OMEGA SEMICONDUCTOR Ltd). RAMBUS INC runs the higher net margin — 33.2% vs -8.2%, a 41.4% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -6.3%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs 4.0%).

Alpha & Omega Semiconductor Ltd designs, manufactures and markets a broad portfolio of power semiconductors, including power MOSFETs, IGBTs, analog ICs and power management modules. Its products are applied across consumer electronics, industrial equipment, automotive systems, telecom and computing segments, with sales networks covering major global markets.

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.

AOSL vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.1× larger
RMBS
$180.2M
$162.3M
AOSL
Growing faster (revenue YoY)
RMBS
RMBS
+14.4% gap
RMBS
8.1%
-6.3%
AOSL
Higher net margin
RMBS
RMBS
41.4% more per $
RMBS
33.2%
-8.2%
AOSL
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
4.0%
AOSL

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
AOSL
AOSL
RMBS
RMBS
Revenue
$162.3M
$180.2M
Net Profit
$-13.3M
$59.9M
Gross Margin
21.5%
79.7%
Operating Margin
-8.4%
34.3%
Net Margin
-8.2%
33.2%
Revenue YoY
-6.3%
8.1%
Net Profit YoY
-101.0%
-7.3%
EPS (diluted)
$-0.45
$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
AOSL
AOSL
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$162.3M
$190.2M
Q3 25
$182.5M
$178.5M
Q2 25
$176.5M
$172.2M
Q1 25
$164.6M
$166.7M
Q4 24
$173.2M
$161.1M
Q3 24
$181.9M
$145.5M
Q2 24
$161.3M
$132.1M
Net Profit
AOSL
AOSL
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$-13.3M
$63.8M
Q3 25
$-2.1M
$48.4M
Q2 25
$-77.1M
$57.9M
Q1 25
$-10.8M
$60.3M
Q4 24
$-6.6M
$62.2M
Q3 24
$-2.5M
$48.7M
Q2 24
$-2.7M
$36.1M
Gross Margin
AOSL
AOSL
RMBS
RMBS
Q1 26
79.7%
Q4 25
21.5%
78.9%
Q3 25
23.5%
79.5%
Q2 25
23.4%
79.8%
Q1 25
21.4%
80.3%
Q4 24
23.1%
80.4%
Q3 24
24.5%
80.7%
Q2 24
25.7%
79.7%
Operating Margin
AOSL
AOSL
RMBS
RMBS
Q1 26
34.3%
Q4 25
-8.4%
37.2%
Q3 25
-2.5%
35.4%
Q2 25
-6.6%
36.6%
Q1 25
-6.5%
37.9%
Q4 24
-3.4%
35.9%
Q3 24
-0.1%
37.6%
Q2 24
-0.9%
30.5%
Net Margin
AOSL
AOSL
RMBS
RMBS
Q1 26
33.2%
Q4 25
-8.2%
33.6%
Q3 25
-1.2%
27.1%
Q2 25
-43.7%
33.6%
Q1 25
-6.6%
36.2%
Q4 24
-3.8%
38.6%
Q3 24
-1.4%
33.4%
Q2 24
-1.7%
27.3%
EPS (diluted)
AOSL
AOSL
RMBS
RMBS
Q1 26
$0.55
Q4 25
$-0.45
$0.58
Q3 25
$-0.07
$0.44
Q2 25
$-2.61
$0.53
Q1 25
$-0.37
$0.56
Q4 24
$-0.23
$0.57
Q3 24
$-0.09
$0.45
Q2 24
$-0.09
$0.33

Balance Sheet & Financial Strength

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

Metric
AOSL
AOSL
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$196.3M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$818.8M
Total Assets
$1.0B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOSL
AOSL
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$196.3M
$182.8M
Q3 25
$223.5M
$79.2M
Q2 25
$153.1M
$87.8M
Q1 25
$169.4M
$132.2M
Q4 24
$182.6M
$99.8M
Q3 24
$176.0M
$114.0M
Q2 24
$175.1M
$124.6M
Total Debt
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
Q3 25
Q2 25
$14.9M
Q1 25
Q4 24
Q3 24
Q2 24
$26.7M
Stockholders' Equity
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
$818.8M
$1.4B
Q3 25
$834.1M
$1.3B
Q2 25
$822.3M
$1.2B
Q1 25
$886.3M
$1.2B
Q4 24
$902.6M
$1.1B
Q3 24
$895.3M
$1.0B
Q2 24
$891.6M
$1.0B
Total Assets
AOSL
AOSL
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$1.0B
$1.5B
Q3 25
$1.0B
$1.4B
Q2 25
$1.0B
$1.5B
Q1 25
$1.1B
$1.4B
Q4 24
$1.1B
$1.3B
Q3 24
$1.1B
$1.3B
Q2 24
$1.1B
$1.3B
Debt / Equity
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
Q3 25
Q2 25
0.02×
Q1 25
Q4 24
Q3 24
Q2 24
0.03×

Cash Flow & Capital Efficiency

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

Metric
AOSL
AOSL
RMBS
RMBS
Operating Cash FlowLast quarter
$-8.1M
Free Cash FlowOCF − Capex
$-23.1M
FCF MarginFCF / Revenue
-14.2%
Capex IntensityCapex / Revenue
9.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-40.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
$-8.1M
$99.8M
Q3 25
$10.2M
$88.4M
Q2 25
$-2.8M
$94.4M
Q1 25
$7.4M
$77.4M
Q4 24
$14.1M
$59.0M
Q3 24
$11.0M
$62.1M
Q2 24
$7.1M
$70.4M
Free Cash Flow
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
$-23.1M
$93.3M
Q3 25
$420.0K
$82.5M
Q2 25
$-17.2M
$87.9M
Q1 25
$-1.1M
$69.5M
Q4 24
$6.6M
$52.5M
Q3 24
$4.1M
$52.2M
Q2 24
$-210.0K
$59.1M
FCF Margin
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
-14.2%
49.0%
Q3 25
0.2%
46.2%
Q2 25
-9.7%
51.0%
Q1 25
-0.6%
41.7%
Q4 24
3.8%
32.6%
Q3 24
2.3%
35.9%
Q2 24
-0.1%
44.7%
Capex Intensity
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
9.2%
3.4%
Q3 25
5.4%
3.3%
Q2 25
8.1%
3.8%
Q1 25
5.1%
4.7%
Q4 24
4.3%
4.0%
Q3 24
3.8%
6.8%
Q2 24
4.5%
8.6%
Cash Conversion
AOSL
AOSL
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
Q1 25
1.28×
Q4 24
0.95×
Q3 24
1.28×
Q2 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOSL
AOSL

Power Discrete$101.0M62%
Power Ic$58.8M36%
Packaging And Testing Services$2.5M2%

RMBS
RMBS

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

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