TEF vs T

For growth investors, AT&T Inc.

(T) is the stronger pick with 2. 7% revenue growth year-over-year, versus 1. 6% for Telefónica, S. A. (TEF). AT&T Inc. (T) offers the better valuation at 8. 5x trailing P/E (11. 2x forward), making it the more compelling value choice. Analysts rate Telefónica, S. A. (TEF) a "Buy" — based on 20 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, AT&T Inc.

is actually cheaper at 11. 2x.

Over the past 5 years, AT&T Inc.

(T) delivered a total return of +33. 2%, compared to +26. 4% for Telefónica, S. A. (TEF). Over 10 years, the gap is even starker: T returned +44. 6% versus TEF's -16. 8%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), AT&T Inc.

(T) is the lower-risk stock at -0. 26β versus Telefónica, S. A. 's 0. 16β — meaning TEF is approximately -161% more volatile than T relative to the S&P 500. On balance sheet safety, AT&T Inc. (T) carries a lower debt/equity ratio of 135% versus 198% for Telefónica, S. A. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), AT&T Inc.

(T) is pulling ahead at 2. 7% versus 1. 6% for Telefónica, S. A. (TEF). On earnings-per-share growth, the picture is similar: AT&T Inc. grew EPS 104. 0% year-over-year, compared to 71. 8% for Telefónica, S. A.. Over a 3-year CAGR, TEF leads at 1. 7% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

AT&T Inc.

(T) is the more profitable company, earning 17. 4% net margin versus -0. 1% for Telefónica, S. A. — meaning it keeps 17. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: T leads at 19. 2% versus 5. 8% for TEF. At the gross margin level — before operating expenses — T leads at 79. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, AT&T Inc.

(T) trades at 11. 2x forward P/E versus 12. 5x for Telefónica, S. A. — 1. 3x cheaper on a one-year earnings basis.

All stocks in this comparison pay dividends.

Telefónica, S. A. (TEF) offers the highest yield at 8. 5%, versus 4. 4% for AT&T Inc. (T).

For long-horizon retirement investors, AT&T Inc.

(T) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0. 26), 4. 4% yield). Both have compounded well over 10 years (T: +44. 6%, TEF: -16. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Communication Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: TEF is a mid-cap income-oriented stock; T is a mid-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.