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Arris Surfboard SVG2482AC Vs TG862G. Which is better?

Updated on May 12, 2017
Arris Surfboard SVG2482AC (left) and Arris Surfboard TG862G-CT (right)
Arris Surfboard SVG2482AC (left) and Arris Surfboard TG862G-CT (right) | Source

What are both the SVG2482AC and TG862G?

Both the Arris SurfBoard SVG2482AC and Arris Surfboard TG862G are telephony voice gateways or EMTA (embedded multimedia terminal adapter - a combination cable modem and telephone adapter) gateways.

In other words they are a 3 in 1 combo box that includes a fast cable modem, advanced Wi-Fi router and a VOIP box for your telephone connection - all in a single box.

If you do not need a VOIP (Voice Over IP) telephone connection but just a combo box of cable modem and wireless router, then you may want to check out either the Arris Surfboard SBG6782AC or Motorola MG7550 instead.

What you get in the box - Surfboard SVG2482AC
What you get in the box - Surfboard SVG2482AC | Source

Between the SVG2482AC and the TG862G, the Arris Surfboard SVG2482AC is the newer of the two and is also major upgrade to the older Arris SBG6782-AC Surfboard eXtreme that was released about two years ago.

This new gateway provides voice and gigabit broadband speed as well as the Reference Design Kit-B (RDK-B) technology. In fact it is one of the first consumer class gateway to incorporate RDK-B technology.

On the Wi-Fi router side, the Surfboard SVG2482AC features 3x3 802.11ac. With 24 download and 8 upload channels, it has a capability of a top speed of 1,300Mbps on the 5GHz band and up to 450Mbps on the 2.4GHz channel; giving a total of 1750 Mbps.

However what you actually get is dependent on the plan you have with your provider and also the availability of that speed in your area.

As with the SBG6782AC, it also has four Gigabit LAN ports for wired devices.

RDK - Reference Design Kit
RDK - Reference Design Kit | Source

What is RDK-B and how does it benefit you?

With the growth of consumer devices connected to the Internet and the rise of streaming video as well as the Internet of Things (IoT), service providers need to react quickly to adapt and provide faster and more reliable networks to the consumer.

The Reference Design Kit for Broadband (RDK-B) is an open source initiative to standardize software functionalities in broadband devices. This is to enable service providers to efficiently deploy services to a large customer base; thus saving cost and increase profitability!

The RDK-B is an important step forward because it is an integrated open-source software stack which provides a common framework for customers' equipment such as set-top boxes, modems, routers, gateways and other devices to communicate with service providers.

RDK-B solutions provide all needed features to manage complex broadband functions such as Wide Area Networking (WAN), Local Area Networking (LAN), data reporting and management, and home-networking technologies, such as Wi-Fi and Multimedia over Coax Alliance (MoCA).

The service providers use the RDK-B technology to standardize certain elements of these devices; thus enabling them to quickly launch their own new services or customize applications.

The other advantage to RBK-B is the service provider can now actively update the SVG2482AC Gateway's firmware instead having it done by the hardware manufacturer.

For example, Comcast can now actively update the SVG2482AC Gateway's firmware whenever it introduces some new features or implement some bug fixes.

RDK-B can also be used to deliver more with a much better support for IoT devices.

Why is DOCSIS important?
Why is DOCSIS important? | Source


Another important technology utilized by both the Arris AVG2482AC and the Arris TG862G is DOCSIS; specifically DOCSIS 3.0.

DOCSIS stands for Data Over Cable Service Interface Specification, an international standard for data transfer over cable TV (CATV) systems. Internet service providers use it to provide internet access using existing hybrid fiber-coaxial (HFC) infrastructure.

CableLabs led a consortium of thirteen networking and electronics companies that jointly developed the DOCSIS standard.

The first version of DOCSIS, Version 1.0, was published in March 1997 while the latest version, DOCSIS 3.1, was published in October 2013, to meet increasing demands for symmetric services such as IP telephony.

DOCSIS 3.0 is a very practical standard as it maintains cross-version compatibility; devices using older versions can communicate with newer devices using the highest supported version common to both devices.

As mentioned earlier, both devices incorporate the DOCSIS 3.0 technology.

Back of the Arris SVG2482AC
Back of the Arris SVG2482AC | Source

Specifications for the ARRIS SURFboard SVG2482AC Docsis 3.0

The SURFboard SVG2482AC is an Internet, Wi-Fi & Voice Modem and is certified to Work with Internet Service Provider XFINITY.

Here are the specifications:

  • DOCSIS 3.0
  • Optimized for use with XFINITY Internet & Voice Service with RDK-B technology to support next-gen products and services
  • 24 Download and 8 Upload Channels ideal for Internet plans up to 1Gbps
  • AC1750 WiFi Router with 4 Gigabit Ethernet Ports
  • 2 Telephony (VOIP) ports
  • Battery backup for placing and receiving voice calls during power outages

Back of the Arris TG862G-CT
Back of the Arris TG862G-CT | Source

Specifications for the Arris Surfboard TG862G

The Arris Surfboard TG862G uses multi-processor technology to achieve high bandwidth performance without affecting voice quality. Installation is relatively simple and it is supported by Comcast.

Here are the specifications:

  • DOCSIS 3.0
  • Cable Modem requires Comcast internet service. 802.11n Wi-Fi router on 2.4GHz (backwards compatible with 802.11b/g) and 4-port gigabit ethernet router
  • Supports 2 voice lines with Comcast Xfinity or other service provider service
  • Download speeds up to 320 Mbps and upload speeds up to 120 Mbps based on subscribed service from provider
  • Supports both IPv4 and IPv6
  • USB 2.0 host port
  • Ideal for streaming HD video and gaming on multiple devices at the same time

You can get more in depth details on the TG862G-CT by checking on that link.

For easier comparison purpose, I have put the specs of both devices side by side in a table below:

Side by side comparison of the functions and features of the Arris Surfboard SVG2482-AC and the Arris Surfboard TG862G-CT
Side by side comparison of the functions and features of the Arris Surfboard SVG2482-AC and the Arris Surfboard TG862G-CT | Source

ARRIS SURFboard SVG2482AC Docsis 3.0 vs TG862G-CT

(click column header to sort results)
DOCSIS Version
DOCSIS Download Speeds
1 Gbps
343 Mbps
Wi-Fi Speeds
1750 Mbps
300 Mbps
Download x Upload Channels
24 x 8
8 x 4
RDK-B technology
Wifi Standard 802.11
AC and backward compatible
N and backward compatible
Gigabit Ethernet Ports
Telephone Ports
USB Ports
Wi-Fi Protected Setup (WPS)
Baterry Backup Available?
2 Year Limited Warranty
Installation & Tech Support by ARRIS
Approximate price at time of writing
Side by side comparison analysis between Arris Surfboard SVG2482AC vs TG862G-CT
Which device is better for your needs?
Which device is better for your needs? | Source

So which is better for you?

First of all, if you are taking the option of buying and owning your telephony gateway, you will not need to pay Comcast the $10 equipment rental fee anymore.

That comes to $120 per year. Assuming that you opt for the Arris Surfboard TG862G-CT and you buy it from Amazon at the price of $120, then you will start saving after one year.

However if you opt for the Arris Surfboard SVG2482AC, then you will start saving after owning the device for two years.

Both scenarios are only taking into consideration of the dollar value without looking at the features and functionalities yet. Taking into consideration that you are covered by two years' warranty, I feel it makes sense to own either the SVG2482AC or TG862GCT - rather than rent from the service provider. .

Comparing functionalities of both
Comparing functionalities of both | Source

What about functionalities?

Both are DOCSIS 3.0. However the maximum theoretical download speed of the SVG2482-AC is 1,000 Mbps while that of the TG862G is only 343 Mbps i.e. approximately one third of the SVG2482-AC.

The total WiFi speed of the SVG2482-AC at 1,Mbps is approximately six times more than that of the TG862G. This could be due to the fact that the router part of the 2482 is AC while that of the 862 is only N.

On top of that, the SVG2482-AC is RDK-B enabled.

All the better features in the SVG2482AC is to be expected as it has been only recently released as compared to the TG862G which was released a couple of years ago.

What's the catch?
What's the catch? | Source

The catch is that right now the SVG2482AC is roughly twice the cost of the TG862G-CT. So the question is this - are you willing to cough up $120 more to get all these fancy features which may not even available to you at the moment?

Are you willing to future proof yourself for $120? It may only be available to you somewhere along the way within the two years. Then again, what is your service cost?

So you will have to make that decision as only you yourself will know what your needs are.

As for me, it is very clear. I will choose either the SVG2482AC or TG862G-CT as a continuous rental of equipment from Comcast is definitely out.

ARRIS Surfboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 Dual-Band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (White)
ARRIS Surfboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 Dual-Band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (White)
The Arris Surfboard SVG2482AC is the most ideal if you are looking for the latest and fastest eMTA telephony gateway. You get the technology and speed right away and may not need to change your equipment for some time; thus saving you money in the long run.
ARRIS DOCSIS 3.0 Residential Gateway with 802.11n/ 4 GigaPort Router/ 2-Voice Lines Certified with Comcast (TG862G-CT)
ARRIS DOCSIS 3.0 Residential Gateway with 802.11n/ 4 GigaPort Router/ 2-Voice Lines Certified with Comcast (TG862G-CT)
Get the TG862G-CT if you know you are not going to need the extra capability of the SVG2482AC for at least two years. Based on the two years' warranty provided, you know you will save at least $120 over the two years if you stay with Comcast and discontinue your rental from them.

Can you help me?

I always try to ensure that the information I provide benefits my readers and keep improving. So I will appreciate very much if you could kindly take a minute to respond to a survey below.

Technically (with reference to home networking), do you consider yourself

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On the technical aspect, is the information provided:

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Is the length of the hub

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Did the information provided helped you make a decision?

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Arris Surfboard SVG2482AC vs TG862G-CT

If you have made a choice, which is your choice?

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    • profile image


      3 months ago

      Thanks for sharing the great article.. Here i complete details you provided love to share these details with my team leader. Xfinity modem/router is the Arris TG1682G/CT-0. I want to know what router I should buy that has the required MOCA technology that supports a whole house Xfinity DVR.

    • profile image


      16 months ago

      My current Xfinity modem/router is the Arris TG1682G/CT-0. I want to know what router I should buy that has the required MOCA technology that supports a whole house Xfinity DVR.

    • profile image


      19 months ago

      I purchased the SVG2482AC, had problems

      - difficult getting the phones to work, the SVG continued to reboot 9 times

      Comcast came out twice . The first time the tech got the voice and WiFi working but after he left lost the voice and modem rebooted continually

      -2nd time-out the Tech could not stop the rebooting and stated it could be a SVG hardware problem. In order to get up and running needed to replace the newly purchase with the Comcast SVG modem to resolve.

      Returned the SVG to Bestbuy but plan to try again in a couple of weeks. Comcast phone support not the best.

    • profile image


      2 years ago

      Picked up the surfboard svg2482ac and hoping we get better connectivity in a two-story layout. router is upstairs, man cave is downstairs. are we gonna be delighted or bummed?

    • profile image

      v. Ralph 

      2 years ago

      Arris Surfboard SVG2482AC , was easy to set-up. I had no problem(s).

    • profile image


      2 years ago

      I have WOW! as my internet/phone provider. In Feb 2017 they installed the Arris TG862 gateway. The range is spotty in our house (2 story). What kind of Wi-Fi booster would work with this and would it be any help? My daughter constantly complains that the wifi in her room sucks.

    • profile image

      Eileen Mac 

      3 years ago

      Is there a gateway compatible w/ Comcast that allows for turning off WiFi when it is not needed? Thank you.

    • profile image


      3 years ago

      For both the the SVG2482AC vs TG862G-CT 2 Telephone ports, do you know the Ringer Equivalent Number (REN) for each of the ports on each of the gateways? I have a wired house system wit a few corded phones and would like to understand how much the Telephone ports can drive


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