ANSWERED: Comcast Modem Wireless Gateway Device/Feature Comparison

ComcastJessie · ‎04-24-2020

Xfinity Gateways and xFi Gateways are all-in-one devices that deliver Internet and Voice connectivity, whole-home WiFi coverage, network control and speed for the ultimate connected experience.

General features of our latest devices, the xFi Advanced Gateway and xFi Gateway 3rd Generation include:

Secure wireless home network
Secondary Xfinity Hotspot network
Exclusive WiFi management tools and Parental Controls (xFi)
Extended whole-home coverage with the xFi Advanced Gateway and xFi Pods
Up to 1 Gigabit speeds with xFi Advanced Gateway and up to 2.5 Gigabit speeds with the xFi Gateway 3rd Generation
Internet connectivity through Ethernet connection (two or four ports)
Connection for one to two phone lines
Regular automatic updates to improve speed, coverage, control and security

Find out more about the benefits of renting an xFi Gateway.

Xfinity Gateway Models

We are always improving our equipment, and we recommend updating your device every two to three years in order to get the most out of your Xfinity Internet subscription. For specific details on all of our available Gateway models, please see below.

Note: Looking for your Gateway model number? Review the equipment’s bottom panel or visit your Internet Service page on My Account or xFi.

xFi Gateway 3rd Generation
Our xFi Gateway 3rd Generation offers a new colorway (white/gray) to compliment your home decor, a less disruptive LED light, the fastest speeds, more ports, the widest coverage, exclusive WiFi management tools, Parental Controls and xFi Pods for extended coverage.

Model Numbers: CGM4331COM
Friendly Model Name: XB7
Gigabit Ethernet Ports: 4
Dual-Band WiFi Option: Yes
Maximum Data Throughput: 2.5 Gbps
WPS (WiFi Protected Setup): Yes
Gateway/ Network Management Tool (http://10.0.0.1) : Yes
Xfinity xFi Eligible: Yes
Xfinity xFi app Activation: Yes
Two Total Telephone Ports: Yes (separate Alarm Port)
Battery Backup Capability (Xfinity Voice Only): No
Link Cordless Phones (CAT-iq 2.0*): Yes
Home Hotspot Capable: Yes
Compatible with Xfinity Home: Yes

xFi Advanced Gateway
Our xFi Advanced Gateway offers up to 1 Gigabit speeds, wide coverage, exclusive WiFi management tools, Parental Controls and xFi Pods for extended coverage. Its attractive design lends itself to being positioned in a central open area for best broadcasting.

Model Numbers: TG3482G and CGM4140COM
Friendly Model Name: XB6
Gigabit Ethernet Ports: 2
Dual-Band WiFi Option: Yes
Maximum Data Throughput: 1 Gbps
WPS (WiFi Protected Setup): Yes
Gateway/ Network Management Tool (http://10.0.0.1) : Yes
Xfinity xFi Eligible: Yes
Xfinity xFi app Activation: Yes
Two Total Telephone Ports: Yes
Battery Backup Capability (Xfinity Voice Only): Yes
Link Cordless Phones (CAT-iq 2.0*): Yes
Home Hotspot Capable: Yes
Compatible with Xfinity Home: Yes

xFi Wireless Gateway
Offers the speed, coverage, WiFi management tools, Parental Controls and xFi Pods for extended coverage.

Model Numbers: DPC3939, DPC3941T, and TG1682G
Friendly Model Name: XB3
Gigabit Ethernet Ports: 4
Dual-Band WiFi Option: Yes
Maximum Data Throughput: 700 Mbps
WPS (WiFi Protected Setup): Yes
Gateway/ Network Management Tool (http://10.0.0.1) : Yes
Xfinity xFi Eligible: Yes
Two Total Telephone Ports: Yes (separate Alarm Port)
Battery Backup Capability (Xfinity Voice Only): Yes
Link Cordless Phones (CAT-iq 2.0*): Yes (excluding TC8717)
Home Hotspot Capable: Yes

xFi Fiber Gateway
This WiFi gateway/MTA solution provides complete home connectivity and coverage at high speeds at our Fiber-to-the-Unit properties.

Model Numbers: Arris X5001
Friendly Model Name: XF3
Gigabit Ethernet Ports: 4
Band WiFi Option: Yes
Maximum Data Throughput: 1 Gbps
WPS (WiFi Protected Setup): Yes
Gateway/ Network Management Tool (http://10.0.0.1) : Yes
Xfinity xFi Eligible: Yes
Xfinity xFi app Activation: No
Two Total Telephone Ports: Yes
Battery Backup Capability (Xfinity Voice Only): Yes
Link Cordless Phones (CAT-iq 2.0*): No
Home Hotspot Capable: Yes
Compatible with Xfinity Home: Yes

Xfinity Gateway (1/2/3)
These are old Wireless Gateways limited speeds and functionality.

Model Numbers: TC8706C, TG852G, TG862G, TC8305C, TC8717
Friendly Model Name: XB2
Gigabit Ethernet Ports: 4
Dual-Band WiFi Option: Yes
Maximum Data Throughput: 275 Mbps
WPS (WiFi Protected Setup): Yes
Gateway/ Network Management Tool (http://10.0.0.1) : Yes
Xfinity xFi Eligible: No
Xfinity xFi app Activation: No
Two Total Telephone Ports: Yes (separate Alarm Port)
Battery Backup Capability (Xfinity Voice Only): Yes
Link Cordless Phones (CAT-iq 2.0*): Yes
Home Hotspot Capable: Yes
Compatible with Xfinity Home: Yes

Wireless Gateway Device Comparison

The following table compares all Gateways.

Product Features	Wireless Gateway 1	Wireless Gateway 3	xFi Fiber Gateway	xFi Wireless Gateway	xFi Advanced Gateway	xFi Gateway 3rd Generation
Product Features	(Model Numbers: TG852G, TG862G, TC8305C)	(Model Number: TC8717C)	(Model Number: Arris X5001)	(Model Numbers: DPC3941T, DPC3939, TG1682G)	(Model Number: TG3482G, CGM4140COM)	(Model Number: CGM4331COM)
Four Total Gigabit Ethernet Ports	Yes	Yes	Yes	Yes	No (2)	Yes
Dual Band WiFi	No	Yes	Yes	Yes	Yes	Yes
Maximum Data Throughput	150 Mbps	700 Mbps	1 Gbps	700 Mbps (275 Mbps for DPC3939)	1 Gbps	2.5 Gbps
WPS (WiFi Protected Setup)	Yes	Yes	Yes	Yes	Yes	Yes
Gateway and Network Management Tool (http://10.0.0.1)	Yes	Yes	Yes	Yes	Yes	Yes
Xfinity xFi Eligible	No	No	Yes	Yes	Yes	Yes
Xfinity xFi app Activation	No	No	No	Yes	Yes	Yes
RDK-B	No	No	Yes	Yes	Yes	Yes
Two Total Telephone Ports	Yes	Yes (separate Alarm Port)	Yes	Yes (separate Alarm Port)	Yes	Yes (separate Alarm Port)
Battery Backup Capability (Xfinity Voice Only)	Yes	Yes	Yes	Yes	Yes	No
Eligible for an Xi5 Device	No	No	Yes	Yes (excluding DPC3939)	Yes	Yes
Link Cordless Phones (CAT-iq 2.0*)	No	Yes	No	Yes	Yes	Yes
Home Hotspot Capable	Yes	Yes	Yes	Yes	Yes	Yes
Compatible with Xfinity Home	Yes	Yes	Yes	Yes	Yes	Yes

*CAT-iq 2.0: Cordless Advanced Technology (CAT). CAT-iq 2.0 is a digital communication standard, used primarily for cordless phone systems. CAT-iq 2.0 handsets can be paired with the Wireless Gateway.

Using Third-Party Equipment

Alternately, some Xfinity customers may wish to purchase and use third-party cable modems and Gateways. However, you will miss out on the full suite of Xfinity services.

Note: Before purchasing your own equipment, confirm it is approved for use with Xfinity services and can achieve the maximum capability of your subscribed speed tier. Visit https://mydeviceinfo.xfinity.com.

Additional Information