Choosing the right Internet service provider can be a hassle for homeowners and business owners alike. You want to find the right provider that offers dependable, fast Internet all at a great price that won’t break the bank each month. In the world of ISPs, you often get what you pay for. Which means that if you want the fastest speeds around, cheapest isn't always best. Look for speed and reliability metrics alongside price to make sure you get the best internet for your buck.

Internet Service Providers have improved over the years and are able to offer much faster speeds to their customers than before. DSL Internet was once the upgrade from dial-up and not considered to be very fast years ago, but today many DSL providers are capable of offering fast speeds and plenty of bandwidth that are ideal for residential or business use.

Two internet service providers, Comcast Xfinity, and CenturyLink DSL are top-rated among their customers and have been around for many years. Both can offer fast speeds and reliable service, but which one is the right one for your home or office?


Comcast Xfinity vs. CenturyLink DSL – Which is the Best Option Overall?

If you're looking for a quick answer to your question, here it is: While CenturyLink DSL is a good choice for those who don’t rely on the Internet for help with their everyday tasks, Comcast Xfinity is the clear winner in this comparison. They offer much better speeds and bandwidth for today’s modern online families.

Finding a good Internet service provider shouldn’t be a hassle. You simply need to find the company that can offer the best speeds for the right price. In this review, we’ve looked at the price, speed and additional features offered through Comcast Xfinity and CenturyLink DSL. While both companies offer reliable service, Comcast Xfinity has outranked CenturyLink multiple times thanks to their fast speeds and dependability.

In most cases, slower speeds mean you would pay less. However, with CenturyLink that isn’t the case. You will pay the same amount for CenturyLink’s download speeds of 100 Mbps as you would for Comcast Xfinity’s download speeds of 250 Mbps. The obvious choice there would be Comcast regardless of how often you use the Internet.


Xfinity vs CenturyLink DSL Comparison Table


ServiceCable internetDSL
PriceStarting at $25 per month
Starting at $45 per month
Data Cap1TB1TB
Speeds25Mbps – 2GB20Mbps – 1GB
Extra FeesRental fee (optional)Install fee at $60
ContractsNone requiredNone required
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The Pros and Cons of Comcast Xfinity and CenturyLink DSL


Comcast Xfinity Internet service offers the top speed at the right price. This service is available in most areas and they offer excellent bundles such as Cable TV and Internet or VoIP service. Comcast has been an industry leader for many years and with their innovative upgrades for their broadband Internet service, it is easy to see why. This Internet service is fast enough to handle streaming video, multiple downloads, and online gaming without lag.

The annual residential ISP customer satisfaction survey by JD Power awarded Comcast Xfinity with 3 power circles in three regions, the south, east and north-central areas, and 4 power circles to the west. CenturyLink only earned 2 stars across the board in the same survey.

The main downside to Comcast Xfinity is their bad reputation for poor customer service and support. Some complaints have gone viral on social media regarding the company’s telephone support services. Although they offer the fastest speeds in the business, the lack of customer support has caused many customers to look elsewhere for their Internet service, even if it means choosing slower speeds.

CenturyLink DSL is a reliable service that can be less expensive than Comcast, but the speeds are also slower. The coverage area for CenturyLink DSL also is not as widespread as Comcast. And while their online reviews are about the same as Xfinity as far as their service reliability is concerned, Comcast received more awards due to a recent customer satisfaction survey.

The annual residential ISP customer satisfaction survey by JD Power awarded Comcast Xfinity with 3 power circles in three regions, the south, east and north-central areas, and 4 power circles to the west. CenturyLink only earned 2 stars across the board in the same survey.


Comcast Xfinity vs. CenturyLink DSL – Which is the most Affordable?


With most Internet plans, you get more speed at a higher price. That is true for most of Xfinity’s plans as well as cable Internet vs DSL in general. Sometimes, cable Internet service costs more, but customers can do so much more with it such as streaming videos of their favorite TV shows. DSL, however, has many limits. And that usually means it costs less, but that isn’t the case with CenturyLink DSL.

A 100 Mbps VDSL plan from CenturyLink will cost around $65 per month. You can get 250 Mbps from Comcast Xfinity for the same price. The main reason why customers would choose CenturyLink over Comcast in terms of price is if Comcast wasn’t available in their area. While it’s a rare circumstance, it does happen.

Currently, Comcast Xfinity is available in two states more than CenturyLink, however their coverage area is much larger in terms of population. CenturyLink serves 48,160,969 customers in 37 states while Xfinity serves nearly twice as many across 39 states. Overall the most affordable option between the two is Comcast Xfinity.

If you compare the lower and medium speed options for both companies, you will see that Comcast offers the best speeds for the lowest price. That’s because Comcast Xfinity’s cable Internet is faster and more dependable than CenturyLink’s DSL. While you can get 20 Mbps for $45 per month through CenturyLink, you can get 60 Mbps a month for the same price through CenturyLink.


Data Allowance and Limits


Both CenturyLink DSL and Comcast Xfinity have data caps on their services. Both carriers cap their plans at 1,000GB per month. The data caps are usually not a problem for even the heaviest Internet users as that is a lot of data for anyone to go through in a single month.


Comcast Xfinity vs. CenturyLink DSL – Which is Fastest?

Speed and price are two of the most important details that you should consider when it comes to choosing a new ISP. We have determined that Comcast Xfinity is the best overall in terms of affordability, but are they the best option when it comes to speed?

Xfinity was ranked as the number one best Internet service provider for streaming by Netflix in 2018. It beat out other competitors such as Verizon DSL and AT&T DSL as the best option for streaming services.

The fastest package for CenturyLink DSL has download speeds up to 100 Mbps. While Xfinity offers packages that are lower than that between 15 and 60 Mbps, they also offer packages with download speeds that range between 150 and 250 Mbps, all at around the same price as CenturyLink’s 100 Mbps package. This makes Comcast Xfinity the most affordable and the fastest interest service provider when compared to CenturyLink DSL.


Which Internet Service Provider is Best for Residential Use?


To find out which Internet service provider is the best option for at-home use, you must determine how much bandwidth you need and how fast. If you are the type of Internet user who only goes online occasionally to check email or catch up on social media, you don’t need to pay extra for high speeds and plenty of bandwidth. For this type of user, CenturyLink DSL could be a good option since the speed isn’t a major factor. At the same time, Comcast also has basic plans that work just as well for occasional online use.

Comcast Xfinity offers the option to bundle your services which makes it an excellent choice for their residential customers. You have the option to bundle your Internet service, home phone and cable TV into one single bill at a discounted rate. This can take care of three major household bills at once which can be extremely convenient. You get the great entertainment options available through Comcast as well as access to their extensive On Demand library. Their VoIP service allows you to have a reliable home phone service at a low price as well so that you are always connected to the people who matter most to you.

With the features that they offer and the high speeds for busy online families, Comcast Xfinity is also the best option for residential use. The speeds are fast enough for you and your family to enjoy binge-watching your favorite shows or take part in online gaming without any issues.


Which Internet Service Provider is Best for Business Use?


When it comes to choosing an ISP for business use, you want the most reliable and dependable service out there. You don’t want to rely on an Internet service provider that isn’t fast enough to meet your company’s demands or the needs of your customers.

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Therefore, once again, speed and price are two of the main components to think about when you are choosing an ISP for your business. You don’t want to pay out too much for service that isn’t enough for your company. And while you may not need the bundled services such as Cable TV at the office, Comcast Xfinity still rises to the top when it comes to business use all due to their speed and performance. Many companies all throughout the nation already rely on Comcast for their business Internet needs and there are packages available that can meet the high demands of any large corporation.