ACI WORLDWIDE, INC. vs 8X8 INC /DE/
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q2 2026
Summary Verdict
ACIW: 4—EGHT: 1wins
Rule of 40
26.1ACIW
13.3EGHT
check_circleACIW leads
Revenue Growth
9.1%ACIW
3.6%EGHT
check_circleACIW leads
Gross Margin
46%ACIW
64%EGHT
check_circleEGHT leads
FCF Margin
17.0%ACIW
9.7%EGHT
check_circleACIW leads
Operating Margin
15.2%ACIW
2.7%EGHT
check_circleACIW leads
NRR
—ACIW
—EGHT
Metric
Rule of 40Efficiency score
ACIW
26.1check_circle
EGHT
13.3
Revenue GrowthYoY
ACIW
9.1%check_circle
EGHT
3.6%
Gross Margin% of revenue
ACIW
46%
EGHT
64%check_circle
FCF MarginFree cash flow
ACIW
17.0%check_circle
EGHT
9.7%
Operating MarginGAAP
ACIW
15.2%check_circle
EGHT
2.7%
NRRNet retention
ACIW
N/A
EGHT
N/A
EV / RevenueValuation multiple
ACIW
3.5x
EGHT
N/A
Market CapUSD
ACIW
$5.4B
EGHT
N/A
ARR GrowthYoY
ACIW
N/A
EGHT
N/A
CAC PaybackMonths to recover
ACIW
N/A
EGHT
N/A
insights
Analysis
As of Q2 2026, ACI WORLDWIDE, INC. trades at 3.5x EV/Revenue versus 8X8 INC /DE/ at N/A. On the Rule of 40, ACI WORLDWIDE, INC. scores 26.1 compared to 8X8 INC /DE/'s 13.3, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 46% vs 8X8 INC /DE/ 64%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.