DSL vs. Cable Internet: What's The Difference? (2024)

What's the difference between DSL and cable? Learn about how DSL stacks up against cable, or DSL vs cable Internet. Get a comparison of two leading Internet service options and see how it can help your family stay connected.NOW Internet is a new high-speed home internet option

What is DSL?

DSL, also known as Digital Subscriber Line, is high-speed Internet access that uses existing copper telephone lines from homes and businesses to transmit data. This type of high-speed Internet requires a DSL modem, unless your computer already has an internal modem (frequently called a voiceband modem). As a broadband option, DSL is always on, unlike a traditional dial-up connection. When it comes to speeds, DSL-based connection services can range from several hundred kilobits per second (Kbps) to millions of bits per second (Mbps). However, performance decreases with the length of the cable connecting the DSL subscriber to the closest telephone provider location. This affects availability and the overall speed of service between DSL vs. cable.

One type of DSL transmission is Asymmetrical Digital Subscriber Line (ADSL). This is primarily a residential option for families who surf the Internet and may receive a lot of data without sending out very much. This type of transmission provides faster download speeds over the same line as a subscriber's voice service.

Another DSL-based broadband option is Symmetrical Digital Subscriber Line (SDSL). This type of connection is more of a business service for subscribers who need video conferencing and significant bandwidth for both upstream and downstream data. Other faster forms of DSL for businesses include High-bit-rate digital subscriber line (HDSL) and Very-High-bit-rate Digital Subscriber Line (VDSL).

What is cable Internet?

Cable Internet is high-speed broadband access that makes use of a cable modem and a coaxial cable, similar to the wiring that feeds into your television set. You can still watch your favorite television shows while you're surfing the Web with cable Internet. When it comes tocable Internet speeds, performance is dependent on a user's cable modem, cable network and traffic load. As for the speed of service between cable vs. DSL, they can yield similar results when put head-to-head when talking about upload speeds, download speeds, and so on.

Now that you're starting to compare the benefits of cable, you may see that there isn't necessarily a right or a wrong choice. You may want to consider the setup of your home network and all the features you're hoping to get out of it. When comparing cable vs. DSL, there is no need to worry about your distance from the service provider's central location.

Which is faster, DSL or cable?

When it comes to cable connection vs. DSL connection for internet access, speeds can fluctuate based on the time of day and a subscriber's overall usage. In a speed test study, researchers found a significant difference between advertised speeds and sustainable speeds. DSL-based services had download speeds that were 85 percent of advertised speeds, while cable-based services delivered 99 percent of advertised speeds. Indeed, DSL and cable speeds might be comparable but cable inches out ahead with faster speeds. Both arehigh-speed optionsthat can help keep your family connected so they can do more of what they love online, like download files with good download (and upload) speeds, stream their favorite shows, and more.

Options to consider when deciding DSL vs. cable Internet

Now that you know the basics behind broadband technology and how DSL vs. cable compare with one another, there are other factors to consider before making a final decision. Don't get overwhelmed by the similarities between the two. It's recommended that you consider your environment and whether you're in a more urban or rural setting. Find out more about how broadband Internet access is packaged with other services (such as home telephone, home entertainment and home security). What is the availability of both DSL and cable service in your area? How do the prices differ? In the case of cable Internet vs. DSL, the DSL-based broadband might not be readily accessible from your location. Carefully consider the options before selecting the service that's right for you.

When it comes to making a broadband decision between DSL vs. cable Internet, it's best to first evaluate how you'll be using this connection. That way, you can determine what download and upload speeds are the best fit for the digital needs of your household. Once you have a found a great deal or a bundle offer from your Internet service provider, you can get more value over time and won't be worried about the differences between DSL and cable internet anymore.

DSL vs. Cable Internet: What's The Difference? (2024)

FAQs

DSL vs. Cable Internet: What's The Difference? ›

DSL internet runs through standard phone lines that are wired into your home. Cable goes through the cable lines. There is more bandwidth with cable, so cable is usually faster. You can get bundle discounts for cable TV and DSL TV with most internet providers.

What is the difference between DSL and cable internet? ›

What are the differences between cable internet and DSL? Cable internet arrives at your home through the copper coaxial cables used to provide you with cable TV. DSL is provided via standard copper phone lines wired to your home. Cable generally offers more bandwidth, especially when it comes to download speeds.

What are the downsides of DSL? ›

DSL Cons. The quality of your DSL service heavily depends on the distance from you and the internet service provider's hub. The farther away you are, the poorer and/or slower the internet connection. The maximum limit that ISPs have the cables run is about 18,000 feet, or a little over 3 miles.

Does anyone use DSL anymore? ›

Does DSL internet still exist? DSL is still a widely-used method of connecting to the internet, though most major DSL providers have begun replacing their DSL networks with fiber optic connections. Fiber is better than DSL in almost every way, but it will take a long time to completely replace existing DSL networks.

Is DSL the best way to connect to the internet? ›

Indeed, DSL and cable speeds might be comparable but cable inches out ahead with faster speeds. Both are high-speed options that can help keep your family connected so they can do more of what they love online, like download files with good download (and upload) speeds, stream their favorite shows, and more.

What is the best internet connection type? ›

Fiber is truly the fastest, most reliable, and most high-tech internet around. Unlike internet connections like cable and DSL, it doesn't rely on older or potentially outdated communications infrastructure. Instead, it carries data over light signals through its own spiffy network of fiber-optic cabling.

Is DSL good enough for Netflix? ›

Netflix recommended minimum speed for optimal streaming quality. Netflix recommends a minimum speed of 3 Mbps for SD quality (standard definition) and 5 Mbps for HD quality (high definition). However, if you're watching in Ultra HD, or 4K, then Netflix recommends a minimum download speed of 25 Mbps.

Why is DSL being phased out? ›

DSL is being phased out as technology advances with options like fiber optic and 5G. The decline of DSL accentuates the existing digital divide. While major providers are transitioning from DSL to fiber, there's a disparity in coverage.

How much slower is DSL than cable? ›

Which is faster: DSL or cable internet? Cable internet can reach speeds of 1,000 Mbps, while DSL speeds top out around 100 Mbps.

Can you have internet without DSL connection? ›

If you don't have (or want) a physical cable connecting your home to the internet, you can still connect with a wireless internet connection. There are tons of different options, including fixed wireless, 4G and 5G home internet, mobile hotspots, and satellite.

Will DSL work without phone service? ›

Even with DSL, landline service is typically not required

DSL also uses a phone line, but it's a bit more practical than dial-up, offering faster speeds (though admittedly not by much in some areas) while often maintaining low pricing.

Is a dial-up modem the same as DSL? ›

The main differences between DSL and dial-up are that dial-up ties up your phone line, while DSL does not. Dial-up is also capped at speeds of 56 kbps, which is horrendously slow, while DSL can reach speeds up to 100 Mbps—much more usable.

What is the main drawback of DSL internet? ›

Cons of DSL: Typically service is provided by the phone company, which means you'll also likely be required to carry phone service. Speeds are dependent on your proximity to the DSL main distribution point. The closer you are the faster your service will be.

Can I use a regular phone cable for DSL? ›

SYNCING THE DSL LINE

Once the DSL modem is plugged into the wall jack (using a phone cable) and its power cable is plugged a power outlet (please use a power strip with a surge suppressor) it will go through a “boot up” routine and then attempt to contact the DSL equipment at the Central Office.

Which is better, cable modem or DSL? ›

The main advantage of DSL is that, though it's the slowest option, it's the most widely available and affordable. Cable internet is significantly faster than DSL, with download speeds between 100 and 300 megabits per second.

Does DSL need a phone line? ›

Even with DSL, landline service is typically not required

You also likely won't have to pay for a landline phone like you would with dial-up. DSL internet does not use phone lines in the same way as landline telephone service or dial-up, so you technically don't need a landline telephone connection for service.

Is DSL cheaper than cable internet? ›

The takeaway: DSL is cheaper, especially for light use. Cable offers faster speeds but costs more. Choose the option that fits your needs and budget. Cable users can often bundle internet with TV from their provider to save money.

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