8X8 INC /DE/ vs Rubrik, Inc.
Side-by-Side SaaS Metrics & Valuation Comparison
Summary Verdict
EGHT: 2—RBRK: 3wins
Rule of 40
13.3EGHT
70.3RBRK
check_circleRBRK leads
Revenue Growth
3.6%EGHT
66.3%RBRK
check_circleRBRK leads
Gross Margin
64%EGHT
80%RBRK
check_circleRBRK leads
FCF Margin
9.7%EGHT
4.0%RBRK
check_circleEGHT leads
Operating Margin
2.7%EGHT
-20.0%RBRK
check_circleEGHT leads
NRR
—EGHT
—RBRK
Metric
Rule of 40Efficiency score
EGHT
13.3
RBRK
70.3check_circle
Revenue GrowthYoY
EGHT
3.6%
RBRK
66.3%check_circle
Gross Margin% of revenue
EGHT
64%
RBRK
80%check_circle
FCF MarginFree cash flow
EGHT
9.7%check_circle
RBRK
4.0%
Operating MarginGAAP
EGHT
2.7%check_circle
RBRK
-20.0%
NRRNet retention
EGHT
N/A
RBRK
N/A
EV / RevenueValuation multiple
EGHT
N/A
RBRK
12.2x
Market CapUSD
EGHT
N/A
RBRK
$17.8B
ARR GrowthYoY
EGHT
N/A
RBRK
N/A
CAC PaybackMonths to recover
EGHT
N/A
RBRK
N/A
insights
Analysis
As of Q2 2026, 8X8 INC /DE/ trades at N/A EV/Revenue versus Rubrik, Inc. at 12.2x. On the Rule of 40, 8X8 INC /DE/ scores 13.3 compared to Rubrik, Inc.'s 70.3, placing Rubrik, Inc. ahead in operating efficiency. Gross margins stand at 8X8 INC /DE/ 64% vs Rubrik, Inc. 80%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.