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Side-by-side financial comparison of Astera Labs, Inc. (ALAB) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

Astera Labs, Inc. is the larger business by last-quarter revenue ($270.6M vs $180.2M, roughly 1.5× RAMBUS INC). RAMBUS INC runs the higher net margin — 33.2% vs 16.6%, a 16.6% gap on every dollar of revenue. On growth, Astera Labs, Inc. posted the faster year-over-year revenue change (91.8% vs 8.1%). Over the past eight quarters, Astera Labs, Inc.'s revenue compounded faster (103.6% CAGR vs 16.8%).

Astera Labs, Inc. is an American fabless semiconductor manufacturer and artificial intelligence company. The company specializes in designing high-speed connectivity solutions for data centers and AI infrastructure. The company has been listed on the Nasdaq since March 2024.

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.

ALAB vs RMBS — Head-to-Head

Bigger by revenue
ALAB
ALAB
1.5× larger
ALAB
$270.6M
$180.2M
RMBS
Growing faster (revenue YoY)
ALAB
ALAB
+83.7% gap
ALAB
91.8%
8.1%
RMBS
Higher net margin
RMBS
RMBS
16.6% more per $
RMBS
33.2%
16.6%
ALAB
Faster 2-yr revenue CAGR
ALAB
ALAB
Annualised
ALAB
103.6%
16.8%
RMBS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ALAB
ALAB
RMBS
RMBS
Revenue
$270.6M
$180.2M
Net Profit
$45.0M
$59.9M
Gross Margin
75.6%
79.7%
Operating Margin
24.7%
34.3%
Net Margin
16.6%
33.2%
Revenue YoY
91.8%
8.1%
Net Profit YoY
82.0%
-7.3%
EPS (diluted)
$0.25
$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
ALAB
ALAB
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$270.6M
$190.2M
Q3 25
$230.6M
$178.5M
Q2 25
$191.9M
$172.2M
Q1 25
$159.4M
$166.7M
Q4 24
$141.1M
$161.1M
Q3 24
$113.1M
$145.5M
Q2 24
$76.8M
$132.1M
Net Profit
ALAB
ALAB
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$45.0M
$63.8M
Q3 25
$91.1M
$48.4M
Q2 25
$51.2M
$57.9M
Q1 25
$31.8M
$60.3M
Q4 24
$24.7M
$62.2M
Q3 24
$-7.6M
$48.7M
Q2 24
$-7.5M
$36.1M
Gross Margin
ALAB
ALAB
RMBS
RMBS
Q1 26
79.7%
Q4 25
75.6%
78.9%
Q3 25
76.2%
79.5%
Q2 25
75.8%
79.8%
Q1 25
74.9%
80.3%
Q4 24
74.0%
80.4%
Q3 24
77.7%
80.7%
Q2 24
77.9%
79.7%
Operating Margin
ALAB
ALAB
RMBS
RMBS
Q1 26
34.3%
Q4 25
24.7%
37.2%
Q3 25
24.0%
35.4%
Q2 25
20.7%
36.6%
Q1 25
7.1%
37.9%
Q4 24
0.1%
35.9%
Q3 24
-7.9%
37.6%
Q2 24
-31.7%
30.5%
Net Margin
ALAB
ALAB
RMBS
RMBS
Q1 26
33.2%
Q4 25
16.6%
33.6%
Q3 25
39.5%
27.1%
Q2 25
26.7%
33.6%
Q1 25
20.0%
36.2%
Q4 24
17.5%
38.6%
Q3 24
-6.7%
33.4%
Q2 24
-9.8%
27.3%
EPS (diluted)
ALAB
ALAB
RMBS
RMBS
Q1 26
$0.55
Q4 25
$0.25
$0.58
Q3 25
$0.50
$0.44
Q2 25
$0.29
$0.53
Q1 25
$0.18
$0.56
Q4 24
$1.23
$0.57
Q3 24
$-0.05
$0.45
Q2 24
$-0.05
$0.33

Balance Sheet & Financial Strength

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

Metric
ALAB
ALAB
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$167.6M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.4B
Total Assets
$1.5B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALAB
ALAB
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$167.6M
$182.8M
Q3 25
$140.4M
$79.2M
Q2 25
$162.3M
$87.8M
Q1 25
$86.4M
$132.2M
Q4 24
$79.6M
$99.8M
Q3 24
$126.1M
$114.0M
Q2 24
$421.1M
$124.6M
Stockholders' Equity
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
$1.4B
$1.4B
Q3 25
$1.3B
$1.3B
Q2 25
$1.1B
$1.2B
Q1 25
$1.0B
$1.2B
Q4 24
$964.8M
$1.1B
Q3 24
$889.6M
$1.0B
Q2 24
$845.3M
$1.0B
Total Assets
ALAB
ALAB
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$1.5B
$1.5B
Q3 25
$1.4B
$1.4B
Q2 25
$1.3B
$1.5B
Q1 25
$1.1B
$1.4B
Q4 24
$1.1B
$1.3B
Q3 24
$983.1M
$1.3B
Q2 24
$915.5M
$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
ALAB
ALAB
RMBS
RMBS
Operating Cash FlowLast quarter
$95.3M
Free Cash FlowOCF − Capex
$76.6M
FCF MarginFCF / Revenue
28.3%
Capex IntensityCapex / Revenue
6.9%
Cash ConversionOCF / Net Profit
2.12×
TTM Free Cash FlowTrailing 4 quarters
$281.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
$95.3M
$99.8M
Q3 25
$78.2M
$88.4M
Q2 25
$135.4M
$94.4M
Q1 25
$10.5M
$77.4M
Q4 24
$39.7M
$59.0M
Q3 24
$63.5M
$62.1M
Q2 24
$29.8M
$70.4M
Free Cash Flow
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
$76.6M
$93.3M
Q3 25
$65.9M
$82.5M
Q2 25
$133.3M
$87.9M
Q1 25
$6.0M
$69.5M
Q4 24
$24.3M
$52.5M
Q3 24
$46.8M
$52.2M
Q2 24
$28.5M
$59.1M
FCF Margin
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
28.3%
49.0%
Q3 25
28.6%
46.2%
Q2 25
69.5%
51.0%
Q1 25
3.7%
41.7%
Q4 24
17.2%
32.6%
Q3 24
41.4%
35.9%
Q2 24
37.1%
44.7%
Capex Intensity
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
6.9%
3.4%
Q3 25
5.3%
3.3%
Q2 25
1.1%
3.8%
Q1 25
2.8%
4.7%
Q4 24
10.9%
4.0%
Q3 24
14.8%
6.8%
Q2 24
1.7%
8.6%
Cash Conversion
ALAB
ALAB
RMBS
RMBS
Q1 26
Q4 25
2.12×
1.56×
Q3 25
0.86×
1.83×
Q2 25
2.64×
1.63×
Q1 25
0.33×
1.28×
Q4 24
1.61×
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

ALAB
ALAB

Segment breakdown not available.

RMBS
RMBS

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

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