Best Router for Comcast 2020 – Reviews and Buying Guide

Have you been in the furthest from the modem and had a poor connection to the Wi-Fi or lost it entirely?

For the most part, modems have proved to require an extra signal boost so that everyone in the house or office can enjoy high speeds. That is why people purchase routers. It essentially amplifies the signals from the modem so that it can reach all devices. There are various kinds, but getting the right one is vital.

Why is that? Not all routers are compatible with your internet service provider. If you have Comcast Xfinity, we are here to save you the trouble. We have our top five pics of routers and equally capable modems that are compatible with Comcast and provide you high-speed internet.

Comparison table

NameInternet compatibilityDOCSISCall to action
Motorola MG7540375 Mbps3.0Check price here
Netgear C6300680 Mbps3.0Check price here
Netgear CM400100 Mbps3.0Check price here
Motorola MG7550375 Mbps3.0Check price here
Motorola MB7621650 Mbps3.0Check price here

Best router for Comcast Reviews

best router for comcast

Motorola MG7540 Review

If you are indeed looking for a router that will change your experience online when using Comcast, then this is one brand to consider. It has some impressive features those who enjoy high-speed internet will be sure to enjoy. Let’s dive in.


With this router, you get a dual band of 2.4 GHz and 5 GHz, making it ideal for home and office use. It also supports four Gigabit (GigE) Ethernet ports as well as a firewall. The later keeps your data safe from hackers, a security feature you need in this internet age. While it sounds that you need to have a 1 Gbps and above, anyone with 375 Mbps internet speeds can still enjoy and use this type of router. For the most part, though, it is designed for those looking to enjoy 686 Mbps.

Motorola MG7540

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The Motorola MG7540 comes with four ports of 10/100/1000 Gigabit Ethernet LAN for a variety of machos including your Mac or Windows computer, HDTVs, streaming TV devices or game stations for everyone. As an added feature, it has beamforming accommodating both the 2.4 GHz and 5 GHz. That means that your devices get a stronger signal, instead of it being lost to the air it is transmitted through.


Several service providers approve this router, Comcast Xfinity included. You are guaranteed to get savings from using the router as it eliminates cable modem rental fees. If you are not using it for Comcast, beware that this Motorola router does not work with all service providers.

A factor to keep in mind with this router is that you cannot use it to make or receive calls as it does not have a phone jack. However, you can access high-speed internet in a variety of devices that include notebooks, smartphones, gaming devices, HDTVs, tablets, Amazon Fire TV, Chromecast among others. It is also 802.11 n, b, g, and ac compatible.


As with modern routers, the vertical design enhances cooling from all the work it has to perform. It also means that you have a neater deck space, but you also have less wiring around the house or office. This router also simplifies installation because you have a lot fewer wires to work through to get the system ready and working.


  • Inbuilt Wi-Fi Gigabit Router
  • it has beamforming for 2.4 GHz and 5 GHz
  • Suitable for home and office use
  • Contain three internal dual-band antennas
  • 11 n, b, g, and ac compatible


  • You need a cable for it to work


Overall, this Motorola brand of router is certified by many cable service providers including Comcast XFINITY. Parents will also be to find out that this router offers inbuilt parental control compatibility to keep their kids from accessing troublesome websites. It also does come with a two-year warranty and a technical support team based in the US should you require assistance. Overall, it is an excellent purchase for those who value speed and reliable connectivity.

Netgear C6300 Review

Next, we have a router from Netgear. It is best for people who download substantial content but still want to enjoy speeds without the downtime. Whether in the house or office, you’ll hardly notice the fluctuation, giving you a smoother experience.

Netgear C6300

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With this router, you get about 680Mbps modem speed. It also has a dual-band Wi-Fi speed. It works for your services provider packages of up to 300Mbps. You get 16×4 channel bonding so that you don’t experience downtime even when many devices are connected. That said, in this newer model, you get download speeds that are 16 times faster than the previous model to gigabyte speeds. That makes it fantastic not just for streaming HD and 4k videos, online games, and movies but also for high-quality, uninterrupted video calls.


This Netgear model works with XFINITY along with other providers that you can inquire about. It is however not going to work with Cable that is bundled with voice services.


The router has the Beamforming+ function guaranteed to extend the Wi-Fi coverage. That means you can even move around the house or office without losing the strong connection. You can, therefore, enjoy HD videos and voice calls across all devices connected.

Advanced Parental Controls

You cannot always know what your kids are up to online. Therefore, the parental controls are a welcome bonus for those who want to protect their little ones from the dark corners of the internet. You can have peace of mind that they won’t be able to get up to no good or stumble on sites they shouldn’t. With regards to control, you can set up a separate Wi-Fi network that’s secure for guests too.

Advanced features

A cool aspect about this router is you can connect your PC or gaming console via Gigabit Ethernet if you wish to get ten times faster speed. You can also use ReadySHARE to access USB storage and stream media. Equally, the Genie App Management allows you to run the network and manage the settings on your smartphone.

Additional, this model of Netgear has the QoS features that prioritize task across various devices. If you are keen to have the ultimate gaming device, you won’t have to worry about someone in the next room watching YouTube videos. It won’t affect your speeds.


  • Support 16 times the speed as compared to the previous model to gigabyte levels
  • Has the beamforming function for a fuller coverage around the home
  • Has an advanced parental control feature
  • You can use smartphones to control the settings
  • As QoS for faster speeds on priority tasks


  • Technical support is only available for 90 days after purchase if you get it from an authorized dealer


This router is ideal for those who enjoy faster speeds around the house. Given that it is XFINITY compatible, you can enjoy speeds than those with a standard modem, or even router can only dream of. It is perfect also for keeping the kids out of trouble and setting up a guest on a different network, all on your smartphone.

Netgear CM400 Review

This next router you can use with Cable Internet Plans that go up to 100Mbps. If you are an XFINITY user, you can get connected without having to call the company for assistance. Purchasing this device can save you $156 from cable modem rental fees annually.

Netgear CM400

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The DOCSIS 3.0 Cable Modem has a Gigabit Ethernet port and has about eight times the speed of the DOCSIS 2.0. The download speeds accommodated is 343Mbps while the upload speeds are 122Mbps. This Netgear cable modem is superb when streaming HD videos if you want to enjoy faster downloads and high speed online gaming experience.

The device comes with the channel bonding feature. With more channels, you’ll hardly notice a change in speeds even if everyone in the house was downloading big data. It supports 8×4 downstream channels, which explains the undeterred experience you’ll have.

The QoS feature is also something that contributes to the experience you have with this modem. If you have more pressing things to do online, you know that it won’t buffer despite what other people on the network are doing.


You can use this modem with XFINITY and other services providers. You should give them a call to before you purchase to make sure you get one that is compatible. Once you get it, everything else is a breeze as you won’t need to call the service provider to set you up.

Another good thing about this modem is that it works universally with pretty much any Wi-Fi router. The purpose of the router is so you can experience what you pay for.

Additional features

This cable model runs on recent versions of Microsoft Windows, Mac OS and operating systems running on a TCP/IP network. You will not need a CD to do any installations, and you’ll need 128 MBs of space to get it running on your machine.


  • It has a Gigabit Ethernet port that uses auto-sensing
  • Have eight times the speed of DOCSIS 2.0
  • Compatible with any international standard router
  • Contains QoS to enjoy comfortable speeds on essential tasks
  • You don’t need to call your service provider to run an installation


  • This is not a router


While this is not a router, it is impressive in its way when looking at speed. It has technology akin to the router in some regard, and thus likely to give you your money’s worth. However, since it’s not a router, you will still have some limitations, especially in larger homes. It is also quite affordable; the cheapest on this list.

MOTOROLA MG7550 Review

This product is unique to the list because it is the only one that is both a cable and a router. The router function is inbuilt giving you increased functionality all under one device.


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For this next gadget on the list, it is classified as a cable modem. It has an inbuilt dual band of 2.4 GHz and 5 GHz and also a Wi-Fi Gigabit Router. Additionally, it has four gigabit Ethernet ports, and a firewall included. If your service provider has speeds of up to 375 Mbps, then you can use this modem. That means you will have to have cable internet service to use it. However, as an Xfinity user, you get to save money on rental fees.


The device has an inbuilt high-speed router along with Power Boost that gets your devices of whatever kind Wi-Fi access. You can also use any of the four Gigabit Ethernet LAN ports of 10,100 or 1000 to connect to the PC, HDTVs, gaming consoles or other compatible devices.This modem does not come with a phone jack.


The Power Boost also provides an added advantage. It will boost wireless signals across your home, all within the legal limit. That means you get to enjoy a good connection even when you are in the furthest corner of the room. Equally, the beamforming (AnyBeam) works on focusing signals on wireless devices for improved speed and range.

Advanced features

A feature of this Motorola model is its security. With it, you get protection from Denial of Service attacks courtesy of a Broadcom cable modem chipset. Also, the fact that it is both a modem and a router makes for a reliable device to have. It eliminates most of the wiring and removes the clutter from workspaces or shelves. It also has a vertical design for improved cooling, increasing its product life, all while making the room it’s in look pleasant.


  • It is both a modem and a router, which makes for an incredible experience
  • It has four Gigabit Ethernet ports
  • Security features that include a firewall and protection from a Denial of Service attack
  • Compatible with home devices including PCs, smartphones, and gaming consoles
  • Had beamforming for focused signals to devices connected


  • It is pricey


If you are looking for something for the price of one, then you are in for a fantastic treat with the Motorola MG7550 DOCSIS 3.0. The fact that it is a modem with an inbuilt router makes it preferred for people who prefer a neat setup. Fewer moving parts do mean less stress. However, you do have to pay a pretty penny for the added feature.

Motorola MB7621 Review

This last device is also from Motorola, with the model being MB7621If you are still looking to save money from renting a modem; you are better off making a onetime purchase of this model as well. Let us explore the features that also made it land on this list of the best routers for Comcast. You can use this model with a variety of service providers, Comcast Xfinity and Xfinity X1 included.

Motorola MB7621

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It is recommended for those who have cable internet that gives them speeds of up to 650Mbps. It also has a Capture Digital Tuner that’s full-band for faster and incredibly reliable internet. It comes with one Gigabit Ethernet port that connects to your computer, a Wi-Fi router, gaming console, HDTV and the like.


This model also shares the attractive and compact design that Motorola has for their modems. It stands upright to preserve shelf space and for improved cooling, making it to serve you for quite an extended period. It is suitable whether you want it in your home or even the office. Inside, the circuits are designed to offer protection from a power surge and rugged lightning

Advanced features

One thing to note is that this cable modem doesn’t have a router built into it. Neither does it have telephone call capability as with the previous model (the DOCSIS 2.0) of the same brand mentioned. Setting up is however a breeze; you can use the Quick Start guide. If you do encounter a hitch, there is a customer support team of specialist ready to help you in either Spanish or English. It also comes with a two-year warranty.


  • Works with cable internet with speeds of up to 650Mbps
  • Has a Gigabit Ethernet port to connect various devices and machines to
  • Compact design that promotes sufficient use of space and also cooling
  • Set up is easy using the Quick Start guide
  • Customer support available in two languages


  • It does not have an inbuilt router

What is the best router for Comcast High Speed Internet?

Selecting the right router for your needs is important because it determines the type of experience you will get with regards to the Wi-Fi. We shall then go into the basic classifications of a good router for your home or office space. There will be a few technical terms, but stick with us, we will guide you right through.

The first thing to clear up is what the difference is between a modem and a router. Putting simply, the model is what houses the sound (internet in this case), and the router is somewhat like the megaphone that transmits the sound (radio frequencies) to more people to hear. A router, therefore, blasts the signal to all devices; even those furthest from the modem can connect to the internet.


When there are too many devices connected to a modem, the speed tends to be slower. That is why people also get routers because it can handle the demand with regards to the bandwidth. However, before you go off to get one with the highest speeds, there is one small problem. If you have done a speed test on your connection, you know that what you are getting is not always what is advertised.

Even when it doesn’t line up, just as with the bands mentioned, interference is what you ought to be more concerned about. Wi-Fi is transmitted through the air; if there are more walls between yourself and the router, and then the speed will be slower. That should be your focus, instead of focusing too much on the speed you are getting.


If you are within a single room when using the Wi-Fi, then you will get by with an internal antenna. However, if you are using it across various rooms where walls are involved, having an antenna is what helps transmit the signal better through these barriers.

Another thing to consider about the range is how large your house is. Most routers are wired to work for small to medium-sized homes. Is yours is considerably larger then you want to get something stronger that can reach the furthest room. The same applies for when looking at the office space. If not, you have to purchase extenders.


Something else you will notice in the marketing of routers or modems is the initials DOCSIS. It translates to Data over Cable Service Interface Specifications. It is the standard interface for the cable modems and which manage outgoing and incoming data signals. It handles that back and forth between the cable and the computer or TV.

The reason why it matters is it shows that the company making the modem or router are in line with International Telecommunication Union (ITU-TS). The first version as the 1.0, but currently in the market what we have is the DOCSIS 3.0.

Wireless standard

Though these numbers haven’t been mentioned in our products above, one thing you might notice is “802.11.” and then a string of letters and numbers. You can find an ‘ac,’ ‘n,’ ‘ad’ or ‘g’ at the end. Does that translate to the standard/protocol that the router uses? What does that mean? They represent the speed and range that a given router has.

The newest in the market is 11ad and supports speeds of 4.6 Gbps. That is the standard for the new high-end routers. 11ac is what you find on most modern routers in the market and support speeds of up to 1.3 Gbps. The 11n supports up to 450 Mbps. Therefore if you are looking for something to use at home or in a typically sized office, then the 11ac will serve you will.

The bands

There are two bands, the single 2.4 GHz and the 5 GHz that still accommodates the 2.4 GHz. There are those that provide more, depending on the square footage you are working with. The most used are 2.4 GHz, but there are those, typically used in commercial spaces which carry both. The first one has a strong transmission and a more extended range, but the problem with it is it is open to more interference.

However, its strong selling point is it is better at passing through walls and reaching the furthest corners of the house. You will find that the microwave or other devices around it will affect the signal. With the 5 GHz, people tend to use it in offices and open spaces. It will have less interference, but you have to be closer to the router to enjoy good connection and high speeds.  The most economical though is the single band, especially for a standard home.


Another thing to check before purchasing the router is to find out what devices it is compatible with. An example is older models of iPhone are not compatible with the 5 GHz, while the new models are. Especially if you are getting a router for home use, see what works for everyone’s gadgets before settling on the router.

Aside from the gadget, you also have to check what your service provider states are the brands that you can use. Service providers will share what routers and modems you can use to enjoy a Wi-Fi connection. Don’t assume, as you don’t want to waste money over something that would have taken a few seconds to confirm. Comcast Xfinity does share this list will you, and we have shared our top picks with you if you want to get your equipment.

Additional features

An advanced feature you can opt for in routers is beamforming. It refers to technology that sends the signal that the router broadcasts straight to the devices in the network rather than merely sending out signals in all directions. That way, the devices have a stronger signal with increased range.

Quality of Service (QoS) is also something else you can be on the lookout for when selecting a router. It speaks of a prioritization systems where more important functions get priority. If you are working from home and your child is in another room streaming movies, your video call will get priority. That way, the connection is not interrupted when you have important things to do online. In the same way, if you were streaming a movie and someone else was on social media, your device will get more traffic.


We hope that this best router for Comcast buying guide proves useful. We hope that you can still use it as a guide to get the best router for yourself and the family to enjoy.

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