XFINITY vs. Quantum Fiber

Whether you’re researching XFINITY vs. Quantum Fiber 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 Fiber compete directly in approximately 5.99% of their service areas, with XFINITY covering 126,507,927 people nationwide and Quantum Fiber serving 11,332,220. XFINITY primarily delivers internet through a cable connection; Quantum Fiber specializes in fiber connections. Jump directly to specific sections using the links below, or continue reading for our comprehensive comparison of XFINITY and Quantum Fiber's availability, speeds, pricing, and customer satisfaction.

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

XFINITY vs. Quantum Fiber | Pros & Cons

XFINITY vs. Quantum Fiber | Availability

XFINITY and Quantum Fiber 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 Fiber Available | No Coverage

XFINITY currently offers internet service in 11,771 cities and 939 counties across 41 states, reaching approximately 126,507,927 residents. Their service area includes major markets like Chicago, IL; Houston, TX; and Philadelphia, PA. By comparison, Quantum Fiber serves 11,332,220 residents in 1,110 cities and 225 counties in 17 states, with a presence in population centers such as Minneapolis, MN; Denver, CO; and Seattle, WA.

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

XFINITY vs. Quantum Fiber | Speeds & Technology

XFINITY and Quantum Fiber 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 98.1% of their customers. They also offer fiber to 3.6% of their coverage area. Quantum Fiber relies on fiber technology, which comprises 100.0% of their network, with DSL available in less than 1% of their service locations.

In terms of potential speeds across the country, Quantum Fiber offers higher overall speeds, with speeds for most covered areas averaging 3,169 Mbps compared to XFINITY's average speed of 1,724 Mbps. When examining their overlapping service areas, Quantum Fiber delivers faster speeds in 15.59% of locations where both providers operate, similar speeds in 45.20%, and slower speeds in 39.21%.

The availability of each provider's fastest technology varies significantly by location. XFINITY's premium Cable service reaches 98.1% of their coverage area. Meanwhile, Quantum Fiber's top-tier Fiber is available to 100.0% of their footprint. Even within the same technology type, speed offerings can vary based on local infrastructure investments.

XFINITY vs. Quantum Fiber | Plans & Pricing

Below are the current internet plans and pricing details for XFINITY and Quantum Fiber, drawn from our independently maintained pricing database. The source and verification date for each provider's plans are noted beneath the table.

Provider representatives can send plan or pricing updates through our contact page; verified changes publish shortly after review.

XFINITY Plans

Quantum Fiber 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 Fiber | Customer Ratings & Reviews

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

When comparing customer satisfaction, XFINITY earns an overall rating of 3.35 / 5 stars from 2191 customer reviews, while Quantum Fiber maintains a 3.84 / 5 rating from 45 reviews. Quantum Fiber outperforms XFINITY by 0.5 points in overall satisfaction. XFINITY's best-rated service is their Fiber offering at 3.49 / 5 stars, compared to Quantum Fiber's highest-rated service, Fiber, at 3.84 / 5 stars.

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 Fiber | Top Cities

XFINITY serves 11,771 cities while Quantum Fiber is available in 1,110 cities nationwide. The tables below highlight their largest markets and areas where customers can choose between both providers.