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AT&T vs Xfinity in Mobile
In Mobile you’re weighing AT&T’s faster, symmetrical fiber against Xfinity’s much cheaper $20 cable plan, so it comes down to speed versus budget.
AT&T is the stronger all-around pick in Mobile. Its fiber tops out at 5,000/5,000 Mbps with a 99/100 speed score and reaches about 94% of the city, beating Xfinity’s cable (2,000/300 Mbps, 95/100, ~87% coverage) on speed, symmetry, and reach. The catch is price: AT&T starts at $55/mo versus Xfinity’s $20/mo. Choose AT&T if you want the fastest, most future-proof connection and can absorb the higher rate. Choose Xfinity if you want to spend as little as possible and don’t need gigabit-plus uploads.
At a glance
AT&T vs. Xfinity, side by side.
| Provider | Type | Top speed | City coverage | Starting price | Best for |
|---|---|---|---|---|---|
| AT&T |
Fiber | 5 Gig 5 Gig upload |
94% | $55/mo | Top fiber speeds |
| Xfinity |
Cable | 2 Gig 300 Mbps upload |
87% | $20/mo | Budget-friendly |
Coverage map
Two different questions, two views. Top speed shows who offers the faster plan where you can actually get it. Coverage shows who reaches more of each ZIP. Or pick a single provider to see just its footprint.
Neighborhood breakdown
Coverage in Mobile shifts block to block: AT&T reaches about 94% of the city and Xfinity about 87%, so the head-to-head depends on your exact address. Some neighborhoods get both providers, while others may only have one, and AT&T’s fastest fiber tiers won’t be live everywhere even inside its footprint. Always run an address check before deciding.
| ZIP | Neighborhoods | Coverage | Top speed | Speed Score | Winner | |||
|---|---|---|---|---|---|---|---|---|
| AT&T | Xfinity | AT&T | Xfinity | AT&T | Xfinity | |||
| 36608 | Spring Hill, West Mobile, University area | 62% | 69% | 5 Gig | 2 Gig | 92 | 90 | AT&T |
| 36606 | Midtown, Spring Hill, Old Shell Road | 88% | 100% | 5 Gig | 2 Gig | 97 | 96 | AT&T |
| 36610 | Prichard, Chickasaw, Whistler | 26% | 93% | 5 Gig | 2 Gig | 85 | 95 | Xfinity |
| 36603 | Oakleigh Garden District, Old Dauphin Way, Midtown | 30% | 95% | 5 Gig | 2 Gig | 85 | 95 | Xfinity |
| 36695 | West Mobile, Schillinger, Grelot, Cottage Hill | 74% | 55% | 5 Gig | 2 Gig | 94 | 87 | AT&T |
| 36618 | Semmes area, Kali-Oka, West Mobile | 83% | 95% | 5 Gig | 2 Gig | 96 | 95 | AT&T |
| 36605 | Maysville, Down the Bay, Brookley | 48% | 94% | 5 Gig | 2 Gig | 89 | 95 | Xfinity |
| 36609 | West Mobile, Regency, Skyland | 65% | 100% | 5 Gig | 2 Gig | 92 | 96 | Xfinity |
| 36604 | Old Dauphin Way, Midtown, Leinkauf | 79% | 100% | 5 Gig | 2 Gig | 95 | 96 | Xfinity |
| 36611 | Prichard, Chickasaw, Trinity Gardens | 83% | 97% | 5 Gig | 2 Gig | 96 | 95 | AT&T |
| 36619 | Tillmans Corner, Theodore area, West Mobile | 62% | 82% | 5 Gig | 2 Gig | 92 | 92 | Xfinity |
| 36602 | Downtown Mobile, Church Street East, De Tonti Square | 26% | 93% | 5 Gig | 2 Gig | 85 | 95 | Xfinity |
| 36617 | Toulminville, Crichton, Plateau | 80% | 100% | 5 Gig | 2 Gig | 95 | 96 | Xfinity |
| 36693 | Kings Branch, Regency, Skyland, West Mobile | 84% | 98% | 5 Gig | 2 Gig | 96 | 96 | Xfinity |
| 36607 | Spring Hill, Crichton, Toulminville | 92% | 100% | 5 Gig | 2 Gig | 98 | 96 | AT&T |
| 36612 | Prichard, Toulminville, Eight Mile | 43% | 100% | 5 Gig | 2 Gig | 88 | 96 | Xfinity |
| 36615 | Brookley, Cedar Point, Arlington | 37% | 88% | 5 Gig | 2 Gig | 87 | 94 | Xfinity |
| 36633 | Downtown Mobile | 3% | 70% | 5 Gig | 2 Gig | 80 | 90 | Xfinity |
| 36652 | Downtown Mobile | 3% | 70% | 5 Gig | 2 Gig | 80 | 90 | Xfinity |
| 36601 | Downtown Mobile, Central Business District | 3% | 70% | 5 Gig | 2 Gig | 80 | 90 | Xfinity |
| 36660 | Mobile (administrative/business ZIP, west Mobile area) | 95% | 100% | 5 Gig | 1 Gig | 98 | 96 | AT&T |
| 36663 | Mobile (administrative/business ZIP) | 1% | 100% | 5 Gig | 1 Gig | 79 | 96 | Xfinity |
| 36670 | Mobile (administrative/business ZIP) | 90% | 100% | 5 Gig | 2 Gig | 97 | 96 | AT&T |
| 36685 | Mobile (administrative/business ZIP) | 62% | 100% | 5 Gig | 2 Gig | 92 | 96 | Xfinity |
| 36671 | Mobile (administrative/business ZIP) | 52% | 100% | 5 Gig | 2 Gig | 90 | 96 | Xfinity |
| 36616 | Midtown Mobile, Old Shell Road area | 74% | 100% | 5 Gig | 2 Gig | 94 | 96 | Xfinity |
Speed Score (0–100) blends each provider’s coverage and top speed in that specific ZIP, so it moves as availability changes street to street.
Which is better for…
The right pick comes down to what you actually do online.
Get connected
Pick your provider and check availability at your address.
- 5 Gig down · 5 Gig up Fiber
- 1 Gig down · 1 Gig up Fiber
- 2 Gig down · 300 Mbps up Cable
- 1 Gig down · 35 Mbps up Cable
See what’s actually available at your address
Coverage changes from one street to the next. Check your exact address in seconds.
Check my addressFrequently asked questions
Is AT&T or Xfinity available at my address in Mobile?
AT&T covers roughly 94% of Mobile and Xfinity about 87%, so most addresses have at least one option and many have both. Enter your exact address on each provider’s site, since coverage and the fastest tiers vary block to block.
Which is cheaper in Mobile, AT&T or Xfinity, and what will I actually pay?
Xfinity is cheaper to start at $20/mo versus AT&T’s $55/mo. These are promotional starting rates, so before you sign, confirm the post-promo price, any equipment fees, and whether a contract is required so you know your real ongoing bill.
Which is faster and is it enough for gaming, working from home, and 4K?
AT&T is faster overall, with fiber up to 5,000/5,000 Mbps and a 99/100 speed score versus Xfinity’s 2,000/300 Mbps and 95/100, where available. Both easily handle 4K and gaming, but if you upload heavily or work from home, AT&T’s symmetrical uploads are the better fit.