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New Member


2 Messages

Tuesday, January 25th, 2022 7:26 PM

Is ATT's speed test reliable?

I recently tried using the speed test on ATT's smart home manager. I ran the test twice and each time yielded a speed of 998Mbps which is pretty close to the 1000Mbps I pay for. However, when I ran a speed test on other services, such as, I struggled to get a reading higher than 25Mbps. 

Who should I trust? Is my speed throttled? 




3.7K Messages

1 year ago

The AT&T speed test that you start from the Smart Home app is hosted within the AT&T network. It is quite reliable for testing your base Fiber to your Gateway and even the device running the app (i.e. smartphone) if you want to add that second test.

You can also test from any web browsers by using this link:

Note: you will need your AT&T ID and password to run this test.

Any other tests are to tests somewhere on the Internet but speeds around 25 Mbps indicate a peering issue or device issue are you using Wi-Fi devices and what type of link connection that results in the around 25 Mbps connect do you have?

Normally that would be an older 802.11g link speed of 54 Mbps and since Wi-Fi is asynchronous actual transfer speeds are at least 1/2 of 54 Mbps. Nothing is throttled by AT&T.

2.4 GHz 802.11g/n or 802.11g/n/ac

5 GHz 802.11ac or 802.11ax

Perhaps you have an antivirus tool that does not play nice and wants to scan all incoming packets? Give us an idea of the types of devices you have and how old they are?

What do you get when you try  (hosted by Netflix). Also try nearby major city speedtest sites and run the app version of speedtest when possible vs the web browser.


New Member


2 Messages

1 year ago

Hi Dave, 

Thanks for your reply.

Some info you asked about: I am testing speeds from my computer - HP elitebook. I ran the test which yielded 15Mbps. I also tried the speedtest app from my iPhone 12 which reported 64.6Mbps (better, but nothing close to what I pay for). 

I checked the connection type for my computer through the Smart Home Manager and found that it is on a 2.4 GHz connection - anyway to upgrade that? My iPhone is also showing a 2.5GHz connection. In fact, every device on my network (laptops, smart watches, iPhones) are all on a 2.5GHz connection. 

Also, I'm the only one using data on my network right now, so I don't think it's overloaded. 

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