Head to head · SEC data as of July 15, 2026
AT&T
59
Quality score · out of 100
T-Mobile
76
Quality score · out of 100
T-Mobile comes in ahead: a quality score of 76 versus 59 for AT&T. T-Mobile wins on cash generation (FCF) (20.1% vs 14.9%), revenue growth (5.5% vs -2.3%) and earnings growth (27.3% vs 2%). AT&T answers with net margin (16.9% vs 11.6%).
| Metric | AT&T | T-Mobile |
|---|---|---|
| Quality score (0-100) | 59 | 76 |
| Net margin | 16.9% | 11.6% |
| Gross margin | — | — |
| ROE | 17.1% | 18.9% |
| Net debt/EBITDA | 2.83× | 2.58× |
| FCF margin | 14.9% | 20.1% |
| Revenue growth (annualized) | -2.3% | 5.5% |
| Earnings growth (annualized) | 2% | 27.3% |
TTM metrics with official SEC data, refreshed daily. Bold green marks the winner of each metric. A dash means the metric doesn't apply or isn't reliable.
AT&T. AT&T is one of the largest U.S. telecom operators. After shedding its media ventures, it has returned to its core business: mobile plans and fiber internet for homes and businesses. It's a mature, stable business known for its dividend.
T-Mobile. T-Mobile is one of the three big U.S. wireless carriers. After merging with Sprint, it competes head-to-head with Verizon and AT&T, leaning on its leadership in 5G networks.
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What this comparison doesn't tell you
The score measures business quality, not whether the stock is cheap or expensive: the better company can be the worse investment if you overpay. For the valuation verdict, enter each one's current price in the analyzer:
Who has the stronger fundamentals today, AT&T or T-Mobile?
By the StockSemáforo model (profitability, growth and financial strength, built on official SEC data), T-Mobile scores higher: 76 versus 59 out of 100. The score is recomputed nightly with the latest filings.
Does that make T-Mobile the better investment?
No. The score measures business quality, not valuation: an excellent company can trade at an excessive price and be a poor investment at that price. To find out whether it's cheap or expensive, enter its current quote in the StockSemáforo analyzer.
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