Xfinity Gateway vs Modem: All You Need to Know

Whenever it comes to my internet connection, I’ve always relied on the Gateway supplied by Xfinity, my internet service provider, and haven’t given it much consideration.

It’s generally painless, except for the time my xFi Gateway went down. However, if there are any problems with the connection, I can contact Xfinity Technical Support, and they will take care of the problem for me.

I did the arithmetic one day and concluded that, in the long run, it would be more cost-effective to use my modem than the one provided by the service provider. I was able to save a significant amount of money as a result of this.

Finally, I had a gadget that could use the full internet speed I’d paid for, and I could take the modem with me when I switched Internet service providers. Nevertheless, before I decided, I had to invest a significant amount of time studying to make certain that I fully understood what I was entering into.

To help you select between an Xfinity Gateway and your modem, I wrote this in-depth comparison post. Investing in your modem provides benefits such as quicker internet, greater power, and economic viability. Customer service suffers as a result.

A Closer Look at Modems and Gateways

A modem serves as a link between your computer and your Internet service provider. If you need additional power and have many devices to connect to, it is usually recommended that you pair it with a router.

Routers transmit the internet signal as radio waves over the air, allowing other devices to connect to the internet without connecting directly to the modem/router.

A gateway, often known as a “modem router combo,” combines the two more convenient technologies. You can connect up to four wired devices while also providing Wi-Fi. Your Internet service provider often provides this Gateway.

Here are a few things to keep an eye out for when purchasing a modem router before we go out and get one for ourselves.

  • Compatibility: Xfinity should operate with the majority of modems (and most other ISPs). Xfinity provides a list of compatible modems on their website.
  • Speed: It is possible to find routers on the market capable of handling higher speeds than the Xfinity gateway.
    Your Xfinity Wi-Fi connection isn’t always up to par when it comes to speed. In other words, you can make use of your high-speed internet service now that you have your modem.
  • Range: Making sure your modem router has a broad enough range to reach all of the gadgets in your home is essential to your comfort.
    If one device isn’t enough, you may add extenders to make it work.
  • Wireless Standard: When shopping for a modem router, look for one that supports the Wi-Fi 5 wireless standard. Wi-Fi 6 is the most recent technology available on the market, and it is much quicker.

Rent vs Buy: An In-Depth Look

Purchasing your modem is preferable from a financial standpoint if you want to remain in your present home for at least a year after moving in.

This is because you will get a better product while spending the same amount of money if you pay rent for about the same length of time.

If you are a gamer or conduct online streaming, it may be more cost-effective to get your modem since you will need a device that can manage the increased strain on your internet connection.

xfi gateway modem

Customer Support

One of the few things you’d regret is the absence of customer assistance. If you use a gateway or modem router, you must be familiar with setting it up and fixing it. However, you can acquire all of this information if you devote an hour of your time to it.

Cost

Typically, Xfinity supplies you with a gateway, and you are responsible for a monthly charge as well as your internet service payment. This monthly charge would come to about $14 per month for you. If you were to compound this sum over two years, it would cost you a staggering 336 dollars!

If, on the other hand, you were to purchase your Xfinity Voice Modem, you would save a significant amount of money. While the first payment may seem excessive, keep in mind that this is a one-time payment.

In most cases, you’ll be able to use your modem for at least two years before you’ll need to change, which will save you a significant amount of money.

Internet Provider Choice

Having your modem gives you the flexibility to change service providers if you feel you are not getting value for your money.

Think about moving from an area where Xfinity provided you with fast internet to an area where Verizon offers the best connection.

You have to move your equipment and configure it to operate with Verizon’s network after you’ve set it up in your new location.

To avoid the cancellation charge, use the Xfinity Early Termination process if you’re canceling your Xfinity subscription.

What About my Wireless Router?

In its most basic form, a router is a device that connects wireless devices such as computers, phones, tablets, and other similar devices to the internet.

It may be used in conjunction with a modem or purchased with a modem already built-in; such “two-in-one” devices are referred to as gateways.

Internet service providers often provide gateways. If you are thinking about getting your modem, you will need to purchase a router separately or search for a gateway to make a move.

If you already have a modem, you can now look for an Xfinity Compatibility Wi-Fi Router that will work with your service.

Verdict

With this information in mind, I decided to purchase a modem, which has greatly improved my overall internet user experience. The fact that I own my modem beats using Xfinity’s, even if you don’t receive customer support. Take Advantage of Your High-Speed Internet

Please bear in mind that it is critical to balance the internet speed provided by your Internet plan against the maximum speed that your modem is capable of supporting.

You must be certain that your modem can process it at maximum speed; otherwise, you will be unhappy with your service and terminate it.

While you may contact Xfinity Customer Service, they would likely point the finger at your modem and suggest that you buy their Gateway.

Best Seller List of Xfinity Modem:

SaleBestseller No. 1
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum,...
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing. .Telephone Port : None. HD Multi-Media Streaming : Yes.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • System requirements 1. High-speed Internet access account 2.Web browser access – Internet Explorer, Google Chrome, Firefox, or Safari 3. Compatible operating systems: 4. Windows 10 5. Windows 8 6. Windows 7 Service Pack 1 (SP1) Note: Although older versions of Microsoft Windows operating systems are no longer specifically supported, they should still function with your SB8200. a.Macintosh 10.4 or higher b. UNIX c. Linux
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
Bestseller No. 2
NETGEAR Nighthawk Multi-Gig Cable Modem (CM1100) - Compatible With All Cable Providers Incl....
  • Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, ATandT, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • Best for cable provider plans up to 2Gbps. Supports link aggregation to deliver true Multi-Gig Internet speeds
  • Works with any WiFi router. Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
  • 2 x 1 Gig Ethernet ports for computers, game consoles, streaming players and other wired devices
  • Engineered with DOCSIS 3.1, 32X8 channel bonding and OFDM(A) 2x2
SaleBestseller No. 3
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and...
  • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
  • This cable modem's 1 Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
  • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
  • Setup is fast and easy using the quick start guide.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.
SaleBestseller No. 4
ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox,...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard S33 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 2.5-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
Bestseller No. 5
14,491 Reviews
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast,...
  • Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
  • Speeds by carrier: Spectrum (up to 400Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
  • Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
  • Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.
Bestseller No. 6
ARRIS Surfboard - S33 - Renewed - DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast...
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard S33 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 2.5-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
SaleBestseller No. 7
3,135 Reviews
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with...
  • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
  • Docsis 3. 1 up to 10x faster download speeds than DOCSIS 3. 0. Docsis 3. 1 is OFDM 2x2+ DOCSIS 3. 0 32x8 channel bonding
  • Eliminate monthly cable Modem rental fees - up to $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
  • System Requirements- Cable broadband Internet service, Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem,Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services
SaleBestseller No. 8
ARRIS SURFboard - SB6190 - Renewed - DOCSIS 3.0 32 x 8 Gigabit Cable Modem, Comcast Xfinity, Cox,...
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels
  • 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
  • Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.
  • arris
  • 32x8 Cable Modem
SaleBestseller No. 9
NETGEAR Nighthawk AC1900 (24x8) DOCSIS 3.0 WiFi Cable Modem Router Combo (C7000) for Xfinity from...
  • input voltage:120 -240V
  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and Cable bundled voice services
  • SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees. System Requirements Cable broadband Internet service, Check your cable Internet service provider web site for data speed tier compatibility, Not compatible with Cable bundled voice services, Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, UNIX, or Linux, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed
  • FAST Wi Fi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps)
SaleBestseller No. 10
ARRIS Surfboard G34 DOCSIS 3.1 Gigabit Cable Modem & Wi-Fi 6 Router (AX3000) , Approved for Comcast...
  • A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard G34 Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing..MoCA Technology : No. Telephone Port : None.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.
  • Compatibility: The SURFboard G34 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) and others. It's approved for cable internet speed plans up to 1 Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.

FAQs:

Question

Do I need a router with Xfinity Gateway?

You don’t have to. The Xfinity Gateway has a built-in router.

Can I stop renting an Xfinity modem?

Yes, if you buy your modem gateway from Xfinity, you will no longer need to rent a modem from them. 

How much does Comcast charge for a lost modem?

If you lose your modem or do not return it to Comcast, you will be charged the full amount for your borrowed equipment.

Do I need to return the Comcast modem?

The modem must be returned, yes. If you don’t, you’ll have to pay.

-our editorial board has reviewed this article and has been approved for publication according to our editorial policy.

Last update on 2024-04-24

Lance Ulanoff is a renowned tech journalist, commentator, and on-air expert with over 36 years of experience. He has held esteemed positions including Editor in Chief of Lifewire and Mashable, where he delved into the impact of technology on daily life. Lance's expertise has been featured on major news programs globally, and he has made appearances on Fox News, CNBC, and the BBC.