AT&T vs. Xfinity internet: Choose the right ISP

AT&T internet plans

AT&T offers fiber optic internet. AT&T’s fiber optic pricing and speeds are consistent throughout all of its locations. It offers some of the best-valued packages compared to any major provider. 

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*Plus taxes (w/ eligible Autopay & Paperless bill). Price after $10/mo discount with eligible Autopay & Paperless bill (w/in 2 bills). Monthly State Cost Recovery Charge in TX, OH, NV applies. See offer details below. One time install chrg may apply. Ltd. avail/areas. Updated as of 07/02/25.
†Speeds based on wired connection. Actual speeds may vary. For 5GIG, single device wired speed maximum 4.7Gbps. For more info, go to www.att.com/speed101.

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Xfinity internet plans

Xfinity internet is one of the largest cable internet providers and offers a wide range of speed plans. Although you can expect multiple internet plans to choose from no matter your location, Xfinity’s upload speeds will vary based on your location.

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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Updated as of 07/02/25.
**2 gig speed not available in all locations. 1.2 gig speed will take place of top speed if 2 gig not available.

AT&T vs. Xfinity customer satisfaction

AT&T scores higher than Xfinity in customer satisfaction, but both are in the American Customer Satisfaction Index’s top providers.

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Main differences between AT&T and Xfinity

AT&T and Xfinity differ in technology, fees, data caps, contracts and availability. AT&T Fiber is a fiber internet service, while Xfinity is primarily cable. Both providers offer different equipment fees and data caps as well.

Xfinity offers plans in the Northeast, Central/Southern and Western regions of the country. AT&T is mainly available in the Central and Southern regions of the U.S.

Fees

AT&T includes the cost of equipment, including the previous extra $10/mo. router fee, in your one monthly price. Installation fees can cost $99, but it’s currently being waived.

Xfinity charges $14/mo. for its xFi Gateway device. You also have the option with Xfinity to buy your own equipment. There is a $40 professional installation free, but you also have the option of self-installation. 

Data caps

Xfinity internet plans no longer have data caps. AT&T Fiber customers can enjoy unlimited data with any plan.

Contracts

You won’t have to sign a contract with AT&T internet plans. Xfinity offers one- and five-year deals to lock in your price without a contract.

Availability

If you are trying to decide between AT&T and Xfinity service at your home, you are probably in an area where both services are available. And you’re not alone, because AT&T and Xfinity are two of the largest internet providers in the U.S. 

Xfinity’s main serviceable areas: the Great Lakes areas, the Northwest and Eastern U.S.

AT&T’s main serviceable areas: the South and Northeastern U.S., most of California and select areas of Nevada.

AT&T and Xfinity coverage overlaps in many metro areas in the South, such as Atlanta, Houston, Little Rock, Miami and Nashville. Residents of select areas in the Midwest, including Chicago, Detroit and Kansas City, may also have access to AT&T and Xfinity. Coverage also overlaps in parts of California, including Fresno, Sacramento and San Francisco.

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Allconnect’s choice: AT&T

If you’re looking for the best provider for high speed internet, AT&T Fiber is the one you want. If you are not serviceable by AT&T, go with Xfinity.

• AT&T has faster speeds: Xfinity’s fastest plan comes with speeds up to 2,000 Mbps for $100.00/mo., which is only available in select areas. AT&T has a 4,700 Mbps plan* for $245.00/mo.**
• AT&T Fiber offers the best value overall: With plans starting at 300 Mbps,* AT&T Fiber offers a superior deal to Xfinity
• AT&T boasts higher customer satisfaction ratings: The American Customer Satisfaction Index (ACSI) scored AT&T higher than Xfinity for internet service in recent years. AT&T received an 78/100 in 2025, while Xfinity came in at 69

Compared to AT&T, Xfinity internet has a lower starting price, but if you’re looking for top speeds, AT&T Fiber is likely to be the cheaper option as their higher-tiered plans are likely to come at a lower monthly price than similar Xfinity plans.

AT&T and Xfinity both have bundle options if you’re looking to simply your monthly bill.

If you are trying to decide between AT&T or Xfinity services for your home, looking at their plans side by side is a good idea. AT&T Fiber is the best value overall; however, if AT&T isn’t available in your area, you will want to go with Xfinity instead.

*Speeds based on wired connection. Actual speeds may vary. For 5GIG, single device wired speed maximum 4.7Gbps. For more info, go to www.att.com/speed101. Updated as of 07/02/25.
**Price after $10/mo discount with eligible Autopay & Paperless bill (w/in 2 bills). Monthly State Cost Recovery Charge in TX, OH, NV applies. One time install chrg may apply. Ltd. avail/areas.