Fiber vs. Cable Internet

Which connection is best?

Discover why fiber internet outperforms cable in speed, reliability, and sustainability – and why it’s time to upgrade to EarthLink Fiber.

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What's the difference between fiber and cable internet?

Ever wondered what’s the big deal about fiber internet? Isn’t it the same as cable? Well, the main differences lie in speed, performance, and how they transmit data.

Cable internet uses copper cable lines initially designed for TV service, while fiber uses thin strands of glass or plastic to send data as pulses of light. In essence, fiber internet is faster, more reliable, and capable of carrying data over longer distances compared to cable internet.

The rest of this page will go into more detail about these differences and why they matter. But, in a nutshell: if you’re seeking the best speed, reliability, and overall performance, fiber is the way to go.

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Cable vs. fiber internet

Finding the right internet for you might feel like a daunting task especially when it comes to comparing internet types. Fear not – when it comes to the cable internet vs. fiber internet debate, we’re experts. Spoiler alert: Fiber is the clear winner.

Let’s break down the core differences between fiber and cable internet. Cable internet relies on copper coaxial cables, while fiber internet uses cutting-edge fiber-optic cables made of glass strands. Fiber provides faster, more reliable connections – perfect for today’s digital world.

EarthLink Fiber Internet — the best choice

Experience the best internet with EarthLink Fiber. We offer a variety of fiber internet plans with speeds up to 5 Gigs, ensuring a perfect fit for your needs. And with no teaser rates or bundle requirements, you'll enjoy reliable, unlimited internet at the fastest speeds possible.

  • Speeds up to 5 Gigs*
  • No. 1 customer service**
  • Exclusive EarthLink offers
  • No throttling, no data caps
  • Long range Wi-Fi
  • Safer, faster connection

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    Swipe a $100 gift card and free install with EarthLink Fiber1

    Ready to make the switch to EarthLink Fiber? We’ve got some amazing perks to make the transition even more rewarding! When you sign up for EarthLink Fiber, you’ll receive a $100 gift card as a thank you for joining our high-speed internet family.

    But wait, there’s more! We know that installation fees can be a hassle, so we’re waiving the installation fee for your fiber internet connection. That’s right – with EarthLink Fiber, you’ll enjoy a $0 installation fee and get started on your journey to faster, more reliable internet without any extra costs.

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    Frequently Asked Questions

    Ready to make the switch?

    Curious about your current internet speed? Use our free online internet speed test to track your connection and compare it to EarthLink Fiber’s lightning-fast speeds. If your favorite shows keep buffering or video conferences lag, it’s time for a switch.

    * Actual speeds may vary depending on the distance, line-quality, phone service provider, and number of devices used concurrently. All speeds not available in all areas.

    ** EarthLink was awarded the No. 1 Customer Satisfaction Award in 2020-2022 by HighSpeedInternet.com.

    1While supplies last. Void where prohibited and outside the U.S. Offer available to legal U.S. residents (incl. D.C.) who are 18 and older at time of purchase. To be eligible, you must make a Qualifying Purchase, activate the service and remain active for 3 months. Gift: $100 Prepaid Mastercard©. For complete terms and eligibility requirements visit earthlink.net/tcs. Sponsor: EarthLink LLC.