Summary Verdict
RBLX: 4—EGHT: 1wins
Rule of 40
63.5RBLX
8.5EGHT
check_circleRBLX leads
Revenue Growth
35.8%RBLX
0.1%EGHT
check_circleRBLX leads
Gross Margin
89%RBLX
67%EGHT
check_circleRBLX leads
FCF Margin
27.7%RBLX
8.4%EGHT
check_circleRBLX leads
Operating Margin
-25.2%RBLX
2.1%EGHT
check_circleEGHT leads
NRR
—RBLX
—EGHT
Metric
Rule of 40Efficiency score
RBLX
63.5check_circle
EGHT
8.5
Revenue GrowthYoY
RBLX
35.8%check_circle
EGHT
0.1%
Gross Margin% of revenue
RBLX
89%check_circle
EGHT
67%
FCF MarginFree cash flow
RBLX
27.7%check_circle
EGHT
8.4%
Operating MarginGAAP
RBLX
-25.2%
EGHT
2.1%check_circle
NRRNet retention
RBLX
N/A
EGHT
N/A
EV / RevenueValuation multiple
RBLX
N/A
EGHT
0.8x
Market CapUSD
RBLX
N/A
EGHT
$266.1M
ARR GrowthYoY
RBLX
N/A
EGHT
N/A
CAC PaybackMonths to recover
RBLX
N/A
EGHT
N/A
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insights
Analysis
As of Q4 2025, Roblox Corp trades at N/A EV/Revenue versus 8X8 INC /DE/ at 0.8x. On the Rule of 40, Roblox Corp scores 63.5 compared to 8X8 INC /DE/'s 8.5, placing Roblox Corp ahead in operating efficiency. Gross margins stand at Roblox Corp 89% vs 8X8 INC /DE/ 67%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.