Stocks / CMCSA vs RBLX

CMCSA vs RBLX: Which Stock Is the Better Buy?

Comcast Corporation and Roblox Corporation side by side — fundamentals from SEC filings, refreshed nightly. Sector: Communication Services.

CMCSA is the larger company ($85.0B vs $30.0B). On the fundamentals, RBLX grows revenue faster (39.6% vs 3.6%); CMCSA earns a higher net margin (16.2% vs -21.8%); CMCSA has the stronger return on equity (20.6% vs -270.0%). On the filings, CMCSA carries fewer potential red flags (0 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — CMCSA vs RBLX, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Comcast Corporation (CMCSA)Roblox Corporation (RBLX)
Market cap$85.0B$30.0B
Revenue (latest FY)$123.71B$4.89B
Net income (latest FY)$20.00B$-1.07B
Revenue growth (5y CAGR)3.6%39.6%
Net margin16.2%-21.8%
Return on equity20.6%-270.0%
P/E ratio7.7
Dividend yield5.5%
Profitable years (of last 10)100
Positive free cash flowYesYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full CMCSA vs RBLX breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

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Frequently asked questions

Which is bigger, CMCSA or RBLX?

Comcast Corporation is larger by market capitalization — $85.0B versus $30.0B.

Which grows faster, CMCSA or RBLX?

Over the last five fiscal years, Roblox Corporation grew revenue faster — 39.6%/yr versus 3.6%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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