Which is better, XFINITY or Quantum Internet Service?

XFINITY is faster and available to more people. Where both are offered (about 52,781 people), XFINITY has the faster top speed for 63% of homes.

FasterXFINITYFaster for 63% of homes where both are offered.

Cheaper to startToo close to callWe do not list plans for both yet.

Better ratedToo close to callToo few reviews to compare yet (2,356 and 0).

Available to more peopleXFINITY126.2 million people in 41 states, vs 53,341 in 1 state.

XFINITY
Price: $45.00 - $119.00 / mo.
Speed: 100 - 2,000 Mbps
Internet Type: Cable and fiber
Rating (Reviews): (2,379)
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Quantum Internet Service
Price: Unavailable, please see site for details
Speed: 10 - 2,000 Mbps
Internet Type: Fixed wireless and fiber
Rating (Reviews): (0)
View Plans

XFINITY vs. Quantum Internet Service at a glance

Measure	XFINITY	Quantum Internet Service
Available to	126.2 million people in 41 states	53,341 people in 1 state
Main technology	Cable 98%, fiber 4%	Fixed wireless 63%, fiber 40%
Top download speed filed with the FCC	2,000 Mbps	2,000 Mbps
Fastest plan we list	1,200 Mbps down, 25 Mbps up	Not listed
Starting price	$45 a month (promotional), then $90	Not listed
Cheapest plan, first 2 years	Not listed	Not listed
Customer rating	3.4 of 5 (2,356 reviews)	No reviews yet
Rated for speed	3.8 of 5	No reviews yet
Rated for price	3.0 of 5	No reviews yet
Where both are offered	About 52,781 people (99% of Quantum Internet Service's area); XFINITY is faster for 63% of them, the same top speed for 33%

Coverage and top speeds: FCC filings; plans and prices: our pricing table; ratings: verified customer reviews on ISP Reports. Check your address for what is offered at your home.

Where XFINITY and Quantum Internet Service are available

XFINITY and Quantum Internet Service have distinct coverage footprints across the United States. Our interactive map shows exactly where each provider offers service and where they overlap, helping you understand your options.

XFINITY currently offers internet service in 11,730 cities and 934 counties across 41 states, reaching approximately 126,644,422 residents. Their service area includes major markets like Chicago, IL; Houston, TX; and Philadelphia, PA. By comparison, Quantum Internet Service serves 54,362 residents in 15 cities and 4 counties in 1 state, with a presence in population centers such as Baltimore, MD; Westminster, MD; and Hampstead, MD.

Each provider’s own page has its full coverage map, county by county: XFINITY coverage map and Quantum Internet Service coverage map.

Availability changes from one street to the next. Check your address to see whether XFINITY, Quantum Internet Service or both are offered at your home.

XFINITY vs. Quantum Internet Service Speeds and Technology

XFINITY and Quantum Internet Service utilize different network technologies to deliver internet service, resulting in varying speed capabilities across their service areas.

In terms of potential speeds across the country, XFINITY offers higher overall speeds, with speeds for most covered areas averaging 1,783 Mbps compared to Quantum Internet Service’s average speed of 706 Mbps.

The availability of each provider’s fastest technology varies significantly by location. XFINITY’s premium Fiber service reaches 4.0% of their coverage area. Meanwhile, Quantum Internet Service’s top-tier Fiber is available to 39.3% of their footprint. Even within the same technology type, speed offerings can vary based on local infrastructure investments.

XFINITY vs. Quantum Internet Service Plans and Prices

Below are the current internet plans and pricing details for XFINITY, drawn from our independently maintained pricing database. The source and verification date for each provider's plans are noted beneath the table. Unfortunately, Quantum Internet Service has not complied with FCC requirements to provide their broadband label data, limiting transparency and the ability for consumers to make direct comparisons.

If you represent Quantum Internet Service, getting listed is simple: publish your machine-readable broadband label file, or send your current plan lineup through our contact page, and your plans will appear here shortly after verification.

Most households with 3-5 users need download speeds of at least 100 Mbps for smooth streaming, video conferencing, and everyday internet usage. Larger households or those with heavy users (gamers, 4K streamers, or remote workers) should consider plans with speeds of 300 Mbps or more for optimal performance.

Any prices listed are the base service rates and may not include additional charges such as equipment fees, installation costs, or other service-related expenses. For a comprehensive view of all potential charges, refer to our Fees & Details section below.

XFINITY vs. Quantum Internet Service Customer Ratings and Reviews

Compare how real customers rate XFINITY and Quantum Internet Service based on our comprehensive database of verified customer reviews across all service types.

Fees vary by plan and location. The fees shown apply to most plans; check with the provider for costs specific to your plan.

When comparing internet providers, remember that advertised prices rarely tell the complete story. Equipment fees alone can add $10-15 per month to your bill, while installation charges, early termination fees, and data overage penalties can significantly increase your total cost of service. Consider these additional costs alongside monthly rates when determining which provider offers the better value for your specific needs.

XFINITY vs. Quantum Internet Service Pros and Cons

XFINITY

From 1,470 written customer reviews on ISP Reports and our plan data.

Pros

• Fast speeds: praised in 507 of 1,470 written reviews (230 call it slow). "I really appreciate how fast our connection is"
• Reliable connection: praised in 424 of 1,470 written reviews (305 report outages). "Reliability in my area is very good"
• Easy installation: praised in 90 of 1,470 written reviews (45 had install trouble). "The installation process was smooth and professional"

Cons

• Expensive for what you get: a complaint in 431 of 1,470 written reviews (334 call it good value). "more expensive than it should be"
• Poor customer service: a complaint in 333 of 1,470 written reviews (269 praise the service). "very bad when it comes to Customer Service"
• Bills that go up: a complaint in 278 of 1,470 written reviews; its starting price rises from $45 to $90 after the promotion. "The rate increased after a year without the company telling me"
• Slow uploads: 25 Mbps up on its 1,000 Mbps plan.

Quantum Internet Service

No written reviews yet; these lines come from our data.

Pros

Cons

XFINITY vs. Quantum Internet Service Top Cities

XFINITY serves 11,730 cities while Quantum Internet Service is available in 15 cities nationwide. The tables below highlight their largest markets and areas where customers can choose between both providers.