Summary Verdict
EGHT: 1—TENB: 4wins
Rule of 40
10.3EGHT
36.6TENB
check_circleTENB leads
Revenue Growth
2.0%EGHT
11.2%TENB
check_circleTENB leads
Gross Margin
66%EGHT
78%TENB
check_circleTENB leads
FCF Margin
8.3%EGHT
25.4%TENB
check_circleTENB leads
Operating Margin
3.4%EGHT
-0.9%TENB
check_circleEGHT leads
NRR
—EGHT
—TENB
Metric
Rule of 40Efficiency score
EGHT
10.3
TENB
36.6check_circle
Revenue GrowthYoY
EGHT
2.0%
TENB
11.2%check_circle
Gross Margin% of revenue
EGHT
66%
TENB
78%check_circle
FCF MarginFree cash flow
EGHT
8.3%
TENB
25.4%check_circle
Operating MarginGAAP
EGHT
3.4%check_circle
TENB
-0.9%
NRRNet retention
EGHT
N/A
TENB
N/A
EV / RevenueValuation multiple
EGHT
N/A
TENB
N/A
Market CapUSD
EGHT
N/A
TENB
N/A
ARR GrowthYoY
EGHT
N/A
TENB
N/A
CAC PaybackMonths to recover
EGHT
N/A
TENB
N/A
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Analysis
As of Q4 2025, 8X8 INC /DE/ trades at N/A EV/Revenue versus Tenable Holdings, Inc. at N/A. On the Rule of 40, 8X8 INC /DE/ scores 10.3 compared to Tenable Holdings, Inc.'s 36.6, placing Tenable Holdings, Inc. ahead in operating efficiency. Gross margins stand at 8X8 INC /DE/ 66% vs Tenable Holdings, Inc. 78%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.