Fiber is much faster than DSL, and we recommend getting it if it’s offered in your area. While these two internet technologies work very differently, the biggest impact for the end user is speed. AT&T DSL: What’s the difference?ĪT&T delivers reliable internet service on both its fiber and DSL packages. High latency, sometimes called lag, can interfere with online activities that require real-time reaction, like gaming.ĪT&T Internet Speed FAQ AT&T Fiber vs.

The time required for the ping to make a round-trip is called latency. Your connection’s latency is tested by sending a signal, called a ping, to the network server and back. Just remember to turn it back on after the test. If your security software is interfering with your speed test, turn it off for the duration of the test. This will interfere with your test results. Occasionally, security software will flag a dummy file if it’s an unrecognized file type. The dummy files used during speed tests are small and harmless. To test upload speed, it does the same thing but in reverse. The size of the file divided by the download time gives you your megabits per second (Mbps). The speed test measures how long your computer takes to download the file through your AT&T internet connection. When you start the speed test, it will prompt your computer to download a dummy file. How does the AT&T internet speed test work? This speed test also includes all the insights you need as an AT&T customer to make meaningful comparisons with your speed test results. Some internet speed tests use servers that are farther away, which can make your latency seem higher than it actually is. This AT&T speed test uses nearby servers to deliver the most accurate results possible. Basic video streaming also works on one device. It works best if you stick to doing internet research, sending emails, and checking the news. Your connection is fast enough to get the job done-just as long as the job isn't too big. That's good! But if you need faster load times, there's plenty of room to upgrade. Your connection qualifies (or almost qualifies) as the FCC's definition of broadband: 25 Mbps. Most online activities work great for you, but things might slow down if too many people start streaming in 4K or downloading large files. Not too slow and not too fast-that's how you roll. You also have the bandwidth for intense online gaming, if that's your thing. With speeds like this, several people can stream at the same time. There's not much that can slow your connection down. How does it feel to be on top? You can stream live sports in UHD in every room, download huge files in minutes, and connect tons of devices. Your speed is faster than % of our speed test results.

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