Which has grown faster, FI or RBLX?

Over the past five years, RBLX grew revenue faster — FI at a 7.29% CAGR versus RBLX at 35.75%.

Is FI or RBLX more profitable?

FI runs the higher net margin — FI at 15.17% versus RBLX at -20.69%.

Which has been the better investment, FI or RBLX?

Over the past 5-year, FI delivered the higher annualized total return — FI at 3.34% versus RBLX at -14.13%. Past performance doesn't predict future results.

Fiserv, Inc. (FI) vs Roblox Corporation (RBLX)

FI leads on 8 of 11 compared metrics.

A side-by-side comparison of Fiserv, Inc. and Roblox Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 14, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Total return — FI vs RBLX

growth of $100 · last 5y

FI -46.3%RBLX +40.5%RBLX compounded faster

FI RBLX

FI vs RBLX: by the numbers

•FI is the larger company ($34.31B vs $31.01B market cap).
•FI is profitable (15.17% net margin) while RBLX runs a net loss (-20.69%).
•RBLX grew revenue faster over the past five years (35.75% vs 7.29% CAGR).

Which is better, FI or RBLX?

Metric tally: FI 8 · RBLX 3

It depends on what you're optimizing for:

GrowthRBLX(faster 5Y revenue CAGR)

QualityFI(higher ROIC)

Valuation

Metric	FI	RBLX
P/E ratio	10.16	—
Forward P/E	7.69	—
P/S ratio	1.68●	5.82
P/B ratio	1.42●	71.35
PEG ratio	0.60	—
EV / EBITDA	7.32	—
FCF yield	16.67%●	5.33%

Profitability

Metric	FI	RBLX
Gross margin	30.86%	78.45%●
Operating margin	25.32%●	-24.01%
Net margin	15.17%●	-20.69%
ROE	12.20%●	-253.70%
ROIC	10.12%●	-27.81%

Growth (annualized)

Metric	FI	RBLX
Revenue CAGR (5Y)	7.29%	35.75%●
EPS CAGR (5Y)	34.70%	—
FCF CAGR (5Y)	13.82%	25.94%●
Total return CAGR (5Y)	-11.04%●	-14.13%

Frequently asked

Which is better, FI or RBLX?: It depends on your goal. growth: RBLX (faster 5Y revenue CAGR); quality: FI (higher ROIC). Across all compared metrics, FI leads 8 to 3.
Which has grown faster, FI or RBLX?: Over the past five years, RBLX grew revenue faster — FI at a 7.29% CAGR versus RBLX at 35.75%.
Is FI or RBLX more profitable?: FI runs the higher net margin — FI at 15.17% versus RBLX at -20.69%.
Which has been the better investment, FI or RBLX?: Over the past 5-year, FI delivered the higher annualized total return — FI at 3.34% versus RBLX at -14.13%. Past performance doesn't predict future results.

Go deeper

Full FI analysis Full RBLX analysis Interactive comparison tool

Dig into the metrics

Fiserv P/E ratio Roblox P/E ratio Fiserv dividend yield Roblox dividend yield Fiserv ROE Roblox ROE Fiserv operating margin Roblox operating margin Fiserv revenue growth Roblox revenue growth Fiserv free cash flow Roblox free cash flow

Fiserv & Roblox appear in these rankings

Fastest Revenue Growth Stocks Highest FCF Yield Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 14, 2026.