XFINITY vs. Quantum Internet Service

Whether you’re researching XFINITY vs. Quantum Internet Service internet service at your current address, comparing internet options for potential locations, or just researching alternatives, this detailed comparison will help you understand which provider best suits you.

XFINITY and Quantum Internet Service compete directly in approximately 0.04% of their service areas, with XFINITY covering 126,644,422 people nationwide and Quantum Internet Service serving 54,362. XFINITY primarily delivers internet through a cable connection; Quantum Internet Service specializes in fiber connections. Jump directly to specific sections using the links below, or continue reading for our comprehensive comparison of XFINITY and Quantum Internet Service’s availability, speeds, pricing, and customer satisfaction.

Jump to: Availability | Speeds | Plans & Pricing | Customer Reviews | Fees

XFINITY vs. Quantum Internet Service | Pros & Cons

XFINITY vs. Quantum Internet Service | Availability

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.

Both Providers Available | XFINITY Available | Quantum Internet Service Available | No Coverage

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.

Internet availability can vary significantly even within specific cities and zip codes. For the most accurate information about XFINITY and Quantum Internet Service at your location, use our address search tool:

XFINITY vs. Quantum Internet Service | Speeds & Technology

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

Across their service areas, XFINITY primarily delivers internet through cable, available to 0.0% of their customers. They also offer fiber to less than 1% of their coverage area. Quantum Internet Service relies on fiber technology, which comprises 0.0% of their network, with fixed wireless available in less than 1% of their service locations.

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. When examining their overlapping service areas, XFINITY delivers faster speeds in 68.53% of locations where both providers operate, similar speeds in 21.98%, and slower speeds in 9.50%.

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 & Pricing

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.

XFINITY Plans

Quantum Internet Service Plans

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 & 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 | 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.