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Side-by-side financial comparison of Perimeter Solutions, Inc. (PRM) 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 $102.8M, roughly 1.8× Perimeter Solutions, Inc.). RAMBUS INC runs the higher net margin — 33.2% vs -136.5%, a 169.7% gap on every dollar of revenue. On growth, Perimeter Solutions, Inc. posted the faster year-over-year revenue change (19.2% vs 8.1%). Over the past eight quarters, Perimeter Solutions, Inc.'s revenue compounded faster (31.9% CAGR vs 16.8%).

Perimeter 81 is an Israeli cloud and network security company that develops secure remote networks, based on the zero trust architecture, for organizations. Its technology replaces legacy security appliances like VPNs and firewalls.

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.

PRM vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.8× larger
RMBS
$180.2M
$102.8M
PRM
Growing faster (revenue YoY)
PRM
PRM
+11.1% gap
PRM
19.2%
8.1%
RMBS
Higher net margin
RMBS
RMBS
169.7% more per $
RMBS
33.2%
-136.5%
PRM
Faster 2-yr revenue CAGR
PRM
PRM
Annualised
PRM
31.9%
16.8%
RMBS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PRM
PRM
RMBS
RMBS
Revenue
$102.8M
$180.2M
Net Profit
$-140.2M
$59.9M
Gross Margin
45.2%
79.7%
Operating Margin
-160.7%
34.3%
Net Margin
-136.5%
33.2%
Revenue YoY
19.2%
8.1%
Net Profit YoY
-197.3%
-7.3%
EPS (diluted)
$-0.89
$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
PRM
PRM
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$102.8M
$190.2M
Q3 25
$315.4M
$178.5M
Q2 25
$162.6M
$172.2M
Q1 25
$72.0M
$166.7M
Q4 24
$86.2M
$161.1M
Q3 24
$288.4M
$145.5M
Q2 24
$127.3M
$132.1M
Net Profit
PRM
PRM
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$-140.2M
$63.8M
Q3 25
$-90.7M
$48.4M
Q2 25
$-32.2M
$57.9M
Q1 25
$56.7M
$60.3M
Q4 24
$144.2M
$62.2M
Q3 24
$-89.2M
$48.7M
Q2 24
$21.6M
$36.1M
Gross Margin
PRM
PRM
RMBS
RMBS
Q1 26
79.7%
Q4 25
45.2%
78.9%
Q3 25
63.1%
79.5%
Q2 25
62.4%
79.8%
Q1 25
39.1%
80.3%
Q4 24
48.6%
80.4%
Q3 24
62.8%
80.7%
Q2 24
57.6%
79.7%
Operating Margin
PRM
PRM
RMBS
RMBS
Q1 26
34.3%
Q4 25
-160.7%
37.2%
Q3 25
-27.7%
35.4%
Q2 25
-16.1%
36.6%
Q1 25
37.9%
Q4 24
71.1%
35.9%
Q3 24
-12.2%
37.6%
Q2 24
35.4%
30.5%
Net Margin
PRM
PRM
RMBS
RMBS
Q1 26
33.2%
Q4 25
-136.5%
33.6%
Q3 25
-28.7%
27.1%
Q2 25
-19.8%
33.6%
Q1 25
78.7%
36.2%
Q4 24
167.2%
38.6%
Q3 24
-30.9%
33.4%
Q2 24
17.0%
27.3%
EPS (diluted)
PRM
PRM
RMBS
RMBS
Q1 26
$0.55
Q4 25
$-0.89
$0.58
Q3 25
$-0.62
$0.44
Q2 25
$-0.22
$0.53
Q1 25
$0.36
$0.56
Q4 24
$1.00
$0.57
Q3 24
$-0.61
$0.45
Q2 24
$0.14
$0.33

Balance Sheet & Financial Strength

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

Metric
PRM
PRM
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$325.9M
$134.3M
Total DebtLower is stronger
$669.1M
Stockholders' EquityBook value
$1.1B
Total Assets
$2.7B
$1.5B
Debt / EquityLower = less leverage
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRM
PRM
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$325.9M
$182.8M
Q3 25
$340.6M
$79.2M
Q2 25
$140.7M
$87.8M
Q1 25
$200.1M
$132.2M
Q4 24
$198.5M
$99.8M
Q3 24
$223.1M
$114.0M
Q2 24
$43.2M
$124.6M
Total Debt
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
$669.1M
Q3 25
$668.8M
Q2 25
$668.4M
Q1 25
$668.1M
Q4 24
$667.8M
Q3 24
$667.4M
Q2 24
$667.1M
Stockholders' Equity
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
$1.1B
$1.4B
Q3 25
$1.1B
$1.3B
Q2 25
$1.2B
$1.2B
Q1 25
$1.2B
$1.2B
Q4 24
$1.2B
$1.1B
Q3 24
$1.0B
$1.0B
Q2 24
$1.1B
$1.0B
Total Assets
PRM
PRM
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$2.7B
$1.5B
Q3 25
$2.6B
$1.4B
Q2 25
$2.5B
$1.5B
Q1 25
$2.4B
$1.4B
Q4 24
$2.4B
$1.3B
Q3 24
$2.5B
$1.3B
Q2 24
$2.3B
$1.3B
Debt / Equity
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
0.59×
Q3 25
0.60×
Q2 25
0.57×
Q1 25
0.55×
Q4 24
0.58×
Q3 24
0.67×
Q2 24
0.62×

Cash Flow & Capital Efficiency

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

Metric
PRM
PRM
RMBS
RMBS
Operating Cash FlowLast quarter
$18.6M
Free Cash FlowOCF − Capex
$11.6M
FCF MarginFCF / Revenue
11.3%
Capex IntensityCapex / Revenue
6.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$208.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
$18.6M
$99.8M
Q3 25
$198.7M
$88.4M
Q2 25
$-2.9M
$94.4M
Q1 25
$23.7M
$77.4M
Q4 24
$-6.0M
$59.0M
Q3 24
$183.0M
$62.1M
Q2 24
$8.6M
$70.4M
Free Cash Flow
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
$11.6M
$93.3M
Q3 25
$193.6M
$82.5M
Q2 25
$-15.6M
$87.9M
Q1 25
$18.9M
$69.5M
Q4 24
$-12.4M
$52.5M
Q3 24
$179.1M
$52.2M
Q2 24
$5.0M
$59.1M
FCF Margin
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
11.3%
49.0%
Q3 25
61.4%
46.2%
Q2 25
-9.6%
51.0%
Q1 25
26.3%
41.7%
Q4 24
-14.4%
32.6%
Q3 24
62.1%
35.9%
Q2 24
3.9%
44.7%
Capex Intensity
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
6.8%
3.4%
Q3 25
1.6%
3.3%
Q2 25
7.8%
3.8%
Q1 25
6.7%
4.7%
Q4 24
7.5%
4.0%
Q3 24
1.3%
6.8%
Q2 24
2.9%
8.6%
Cash Conversion
PRM
PRM
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
Q1 25
0.42×
1.28×
Q4 24
-0.04×
0.95×
Q3 24
1.28×
Q2 24
0.40×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRM
PRM

Products$87.7M85%
Service And Other$14.8M14%

RMBS
RMBS

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

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